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s742049259
p04047
Runtime Error
n=int(input()) l=list(map(int,input().split())) l.sort() sum=0 for x in range(0,n*2+1,2): sum+=min(l[x:x+2]) print(sum)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s853478988
p04047
Runtime Error
def gcd(a,b): if b == 0: return a return gcd(b,a%b) N,k = map(int,raw_input().split()) #k = int(raw_input()) #A = map(int, raw_input().split()) ans = gcd(N,k) print 3*(N - ans)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s866647203
p04047
Runtime Error
N = int(raw_input()) A = map(int, raw_input().split()) sum = 0 A.sort() A = A[::2] print sum(A)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s786927693
p04047
Runtime Error
N = input() kushi = sorted(list(map(int, input().split()))) even = kushi[0::2] print(sum(even)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s862646417
p04047
Runtime Error
n = int(input()) L = map(int, input().split(" ")) L_sorted = sorted(L) pairs = [] for index in range(0, len(L_sorted)/2, 2): pairs.append(L_sorted[index : index +2]) answer = sum( min(x) for x in pairs) print(answer)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s233463928
p04047
Runtime Error
ii=lambda:map(int,raw_input().split()) n,k=ii() T,F=True,False e=[[] for _ in range(n)] for _ in range(n-1): a,b=ii() e[a-1]+=[b-1];e[b-1]+=[a-1] cost=[0]*n ans=10**5 def dfs(x,f): if f>=0:vis[f]=T q=[(x,0)] while len(q): v,c=q.pop(0) if c>k/2:break cost[v]=c;vis[v]=T for w in e[v]: if not vis[w]:q+=[(w,c+1)] return n-vis.count(T) if k%2: for i in range(n): for j in e[i]: if i<j:vis=[F]*n;dfs(i,j);ans=min(ans,dfs(j,i)) else: for i in range(n):vis=[F]*n;ans=min(ans,dfs(i,-1)) print ans
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s524941267
p04047
Runtime Error
N = int(input()) L = map(int, input().split()) sort(L) sum = 0 for i in range(0,len(L),2): sum += L[i] print(sum)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s046243738
p04047
Runtime Error
N = int(input()) L = map(int, input().split()) sort(L) sum = 0 for i in range(0,N): sum += L[i*2] print(sum)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s203588797
p04047
Runtime Error
N = int(input()) L = map(int, input().split()) sort(L) sum = 0 for i in range(0,len(L),2): sum += L[i] print(sum)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s546655394
p04047
Runtime Error
n, x = map(int, raw_input().split()) def cal(n): return n + 1 + (n - 2)*2 if n % x == 0: l = cal(n) - cal(x) else: l = cal(n) print l
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s421375316
p04047
Runtime Error
n = raw_input() l = raw_input().split() print(sum(sorted(l, reverse=True)[1::2]))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s457272852
p04047
Runtime Error
NX = input() NX = "".join(NX).split(" ") NX = [int(s) for s in NX] D = NX[0]-NX[1] if NX[0] ==0 or NX[1]==0: print(str(0)) if NX[1]<D: Mod = D%NX[1] if Mod!=0: print(int(2*NX[1]+NX[1]+(D-NX[1]/2)*3)) else: print(int(NX[1]*4+D)) elif NX[1]==D: print(int(3*NX[1])) elif NX[1]>D: Mod = NX[1]%D if Mod!=0: print(int(NX[1]+(Mod*3)+D+(D*2*int(NX[1]/D)))) else: print(int(NX[1]+int((NX[1]/D))*2*D))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s078375409
p04047
Runtime Error
#!/usr/bin/python3 import sys sys.setrecursionlimit(100000) N, X = list(map(int, input().split())) def f(a,b): if a > b: a,b = b,a if a==0 or b==0: return 0 if b%a is 0: return int(a*(2*(b/a)-1)) return int(2*a*int(b/a) + f(a,b%a)) print(N+f(N-X, X))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s170659470
p04047
Runtime Error
n, x = map(int,input().split()) if x > n // 2: x = n - x xx = x yy = n - x ans = n i = 0 while True: ans += 2 * (yy // xx) * xx yy %= xx if yy == 0: ans -= xx break if yy < xx: tmp = xx xx = yy yy = tmp print(ans)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s849507092
p04047
Runtime Error
import sys sys.setrecursionlimit(10**6) def dfs1(s,c): visited[s]=1 for i in v[s]: if visited[i]==0: d[c][i]=d[c][s]+1 dfs1(i,c) return def dfs2(c1,c2): visited[c2]=1 dfs1(c1,c1) dfs1(c2,c2) return n,k=map(int,raw_input().split()) d=[[0]*n for _ in xrange(n)] v=[[] for _ in xrange(n)] e=[] for i in xrange(n-1): a,b=map(int,raw_input().split()) a-=1 b-=1 v[a].append(b) v[b].append(a) e.append([a,b]) if k%2==0: min_del=1000000 for i in xrange(n): cnt=0 visited=[0]*n dfs1(i,i) for j in xrange(n): if d[i][j]>k/2: cnt+=1 min_del=min(min_del,cnt) print(min_del) else: min_del=1000000 for i,j in e: cnt=0 visited=[0]*n d=[[0]*n for _ in xrange(n)] dfs2(i,j) for l in xrange(n): if d[i][l]>(k-1)/2 or d[j][l]>(k-1)/2: cnt+=1 min_del=min(min_del,cnt) print(min_del)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s226244380
p04047
Runtime Error
def gcd(a,b): if b==0: return a else: return gcd(b,a%b) n,x=map(int,raw_input().split()) print 3*(n-gcd(n,x))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s704341736
p04047
Runtime Error
def gcd(a,b): if b==0: return a else: return gcd(b,a%b) n,x=map(int,raw_input().split()) print 3*(n-gcd(n,x))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s006997741
p04047
Runtime Error
n,x = map(int,raw_input().split()) print '%d' %(n + ((n/x) - 1)*2*x + 3*(n%x))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s512345524
p04047
Runtime Error
n,x = map(int,raw_input().split()) if n > 2*x : print '%d' %(n + (n/x - 1)*2*x + 3*(n-(n/x)*x)) else : print '%d' %(n + x)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s502251886
p04047
Runtime Error
import scipy.misc as scm def combi(p,q): return scm.comb(p,q,1) ans=0 n=int(input()) k=[] for i in range(n): a,b=map(int,input().split()) k.append([a,b]) for i in range(n-1): for j in range(i+1,n): p=k[i][0]+k[i][1]+k[j][0]+k[j][1] q=k[i][0]+k[j][0] ans += combi(p,q) % (10**9+7) ans = ans % (10**9+7) print(ans)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s852666915
p04047
Runtime Error
def f(a, b): if b%a==0: return b//a*2-1 else: return b//a*a*2+f(b%a,a) N, X = map(int, input().split()) ans = N + f(min(N-X,X), max(N-X,X)) print(ans)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s415818222
p04047
Runtime Error
N = input() L = input() i = 0 array = [] anser = 0 while i < len(L): if L[i] != ' ': array.append(int(L[i])) i+=1 i = 1 array.sort(reverse=True) for i in range(array): if i // 2 == 0: anser+=i print(anser)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s282052365
p04047
Runtime Error
import sys; n,x=map(int,raw_input().split()); if(2*x<n): print x+(n-x)+x+x+(n-2*x)*(2*x-1); elif(2*x==n): print x+(n-x)+x; else: print x+(n-x)+x+(n-x)+x+(n-x);
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s680582353
p04047
Runtime Error
# encoding: utf-8 n, x = map(int, raw_input().split()) ac_bc = n - x s = ac_bc / 3 l = ac_bc - s print ac_bc + s * 3 + l * 3
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s911514871
p04047
Runtime Error
#!/usr/bin/env python3 # -*- coding: utf-8 -*- N, X = list(map(int, input().split())) sum_ = X prev = X next = N - X i = 0 while True: num = prev // next if i == 0: sum_ += 2 * num * next elif i % 2 == 1: sum_ += 2 * num * next - next else: sum_ += 2 * num * next - next mod_ = prev % next if mod_ == 0: break sum_ += next prev = next next = mod_ i += 1 print(sum_)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s280459736
p04047
Runtime Error
N, X = map(int, raw_input().split()) ans = 0 if N%2 ==0: d = min(X, N-X) ans = (N-d)*3 else: ans = (N-1)*3 print(ans)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s646624473
p04047
Runtime Error
N, X = map(int, raw_input().strip().split()) print N + (N-X)*2 -1
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s529211517
p04047
Runtime Error
N, x = map(long, raw_input().split()) print (N - x) + 3 * x + 3 * (N - x - x)
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s948258491
p04047
Runtime Error
#! /usr/bin/env python3 N, X = map(int, input().split()) if X*2 == N: print(X*3) else: print(X*3*((N-X)//X + (1 if (N-X)%X>0 else 0)))
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s902533382
p04047
Runtime Error
def bbq(): n = int(input()) a = input() tmp = a.split() l = [int(x) for x in tmp] l.sort() n = 0 i = 0 while(i<n: n += l[i] i += 2 print (n) if __name__ == "__main__": bbq()
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s820627721
p04047
Runtime Error
N=raw_input() up=raw_input() up=up.split() up=map(int,up) up.sort() count=0 for i in range(N): count+=up[i*2] print count
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s777010165
p04047
Runtime Error
N=raw_input() up=raw_input().split() up=map(int,up) up.sort() count=0 for i in range(N): count+=up[i*2] print count
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s090382957
p04047
Runtime Error
N=raw_input() up=raw_input().split() up=up.sort() count=0 for i in range(N): count+=int(up[i*2]) print count
2 1 3 1 2
3
<span class="lang-en"> <p>Score : <var>200</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is having a barbeque party.</p> <p>At the party, he will make <var>N</var> servings of <em>Skewer Meal</em>.</p> <div style="text-align: center;"> <img src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/abbq.png"> <p>Example of a serving of Skewer Meal</p> </img></div> <p>He has a stock of <var>2N</var> skewers, all of which will be used in Skewer Meal. The length of the <var>i</var>-th skewer is <var>L_i</var>. Also, he has an infinite supply of ingredients.</p> <p>To make a serving of Skewer Meal, he picks <var>2</var> skewers and threads ingredients onto those skewers. Let the length of the shorter skewer be <var>x</var>, then the serving can hold the maximum of <var>x</var> ingredients.</p> <p>What is the maximum total number of ingredients that his <var>N</var> servings of Skewer Meal can hold, if he uses the skewers optimally?</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>1≦N≦100</var></li> <li><var>1≦L_i≦100</var></li> <li>For each <var>i</var>, <var>L_i</var> is an integer.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>L_1</var> <var>L_2</var> <var>...</var> <var>L_{2N}</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the maximum total number of ingredients that Snuke's <var>N</var> servings of Skewer Meal can hold.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>2 1 3 1 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>3 </pre> <p>If he makes a serving using the first and third skewers, and another using the second and fourth skewers, each serving will hold <var>1</var> and <var>2</var> ingredients, for the total of <var>3</var>.</p> </section> </div> <hr/> <div class="part"> <section> <h3>Sample Input 2</h3><pre>5 100 1 2 3 14 15 58 58 58 29 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 2</h3><pre>135 </pre></section> </div> </span>
s568266599
p04048
Wrong Answer
n,x=map(int,input().split()) def f(a,b): if a>b: b,a=a,b if b%a==0: return 2*(b//a)-1 return 2*a*(b//a)+ f(b%a,a) print(n+ f(x,n-x))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s403994981
p04048
Wrong Answer
N, X = list(map(int, input().split())) ans = N N, X = X, N - X while N and X: if X > N: d, m = divmod(X, N) if m == 0: ans += (d * 2 - 1) * N else: ans += d * 2 * N N, X = N, m else: d, m = divmod(N, X) ans += (d * 2 - 1) * X + m * 2 N, X = m, X - m print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s758022949
p04048
Wrong Answer
N, X = list(map(int, input().split())) ans = N N, X = X, N - X while N and X: if X > N: d, m = divmod(X, N) ans += d * 2 * N N, X = N, m else: d, m = divmod(N, X) ans += (d * 2 - 1) * X + m * 2 N, X = m, X - m print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s743451192
p04048
Wrong Answer
N, X = list(map(int, input().split())) ans = N N, X = X, N - X while N and X: if X > N: d, m = divmod(X, N) ans += d * 2 * N N, X = N + m, X - d * N else: d, m = divmod(N, X) ans += d * X + m * 2 N, X = m, X - m print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s558618129
p04048
Wrong Answer
n,x=map(int,input().split()) print(4*n-4*x)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s754397376
p04048
Wrong Answer
import math n,x = map(int,input().split()) a = n+(n-x)//x*x*2 b = math.gcd(n-x,x) if b == x: print(a-x) else: print(int(a+(x/b*2-1)*b))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s943933326
p04048
Wrong Answer
import math n,x = map(int,input().split()) a = n+(n-x)//x*x*2 b = math.gcd(n-x,x) if b == x: print(a-x) else: print(a+(x*2-1)*b)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s740839397
p04048
Wrong Answer
import math n,x = map(int,input().split()) a = n+(n-x)//x*x*2 b = math.gcd(n-x,x) if b == x: print(a-x) else: print(a+b*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s325881403
p04048
Wrong Answer
import math n,x = map(int,input().split()) print(n+(n-x)//x*x*2+math.gcd(n-x,x)*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s917545372
p04048
Wrong Answer
import math n,x = map(int,input().split()) print(n+n//x*x+math.gcd(n-x,x)*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s089149886
p04048
Wrong Answer
def make_divisors(n): lower_divisors , upper_divisors = [], [] i = 1 while i*i <= n: if n % i == 0: lower_divisors.append(i) if i != n // i: upper_divisors.append(n//i) i += 1 return lower_divisors + upper_divisors[::-1] n,x = map(int,input().split()) print(n-x+sum(make_divisors(x))*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s812722017
p04048
Wrong Answer
n,x = map(int,input().split()) ans = x e = n-x count = 0 while True: if x%e == 0: if count == 0: ans += x//e*(e*2) else: ans += x//e*(e*2)-e break else: if count%2 == 0: ans += e+(x//e)*e*2 else: ans += (x//e)*e*2 x,e = e,x%e count += 1 print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s498114164
p04048
Wrong Answer
n,x=map(int,input().split()) ans=0 t=n-x tt=x//t ans+=x while True: if x%t==0: ans+=tt*t*2 print(ans) exit() else: ans+=tt*t*2+t x=t t=n-t*tt tt=x//t
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s871038270
p04048
Wrong Answer
n,x = map(int, input().split()) print(3*(n-1))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s103575194
p04048
Wrong Answer
n, x = map(int, input().split()) print(3 * x if n / x == 2 else 3 * (n - 1))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s299822992
p04048
Wrong Answer
a = list(map(int,input().split())) print((a[0]*(a[1]*2)) - (a[1]*(a[1]*2)))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s264325437
p04048
Wrong Answer
a = list(map(int,input().split())) print((a[0]*4) - (a[1]*4))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s269110796
p04048
Wrong Answer
a = list(map(int,input().split())) print(a[0]*4 + a[1]*4)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s027361320
p04048
Wrong Answer
a = list(map(int,input().split())) print(a[0] * 4, a[1] * 4)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s051870114
p04048
Wrong Answer
N, X = [int(x) for x in input().split()] #answer = if N//2 >= X: print(X + N-X + X + X + 2*X-1) else: #N//2 < X print(0)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s945749631
p04048
Wrong Answer
N,X = input().split() N,X = int(N), int(X) answer = X+ (N-X) def rhombus(N,X): if X==1: return N+1 if X==0: return 0 if N%X == 0: return X*(N//X)*2-X else: k = N//X return k*2*X + rhombus(X,N-(k*X)) answer = answer + rhombus(N-X,X) print(answer)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s569920223
p04048
Wrong Answer
N,X = input().split() N,X = int(N), int(X) answer = X+ (N-X) def rhombus(N,X): if X==1: return N+1 if X==0: return 0 if N%X == 0: return X*(N//X)*2-1 else: k = N//X return k*2*X + rhombus(X,N-(k*X)) answer = answer + rhombus(N-X,X) print(answer)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s621976865
p04048
Wrong Answer
N,X = input().split() N,X = int(N), int(X) answer = X+ (N-X) def rhombus(N,X): if X==1: return N+1 if X==0: return 0 if N%X == 0: return (N//X)*2-1 else: k = N//X return k*2*X + rhombus(X,N-(k*X)) answer = answer + rhombus(N-X,X) print(answer)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s728596325
p04048
Wrong Answer
n, x = list(map(int, input().split())) ans = 3 * 3 * x / 2 + n - x print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s131789971
p04048
Wrong Answer
n,x=map(int,input().split()) print(4*(n-x))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s455302537
p04048
Wrong Answer
n, x = [int(i) for i in input().split()] print(int(x + (n-x) + x + x + x/2 + x/2 + x/2))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s435063224
p04048
Wrong Answer
N, X = map(int, input().split()) print(3 * (N - X))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s694880264
p04048
Wrong Answer
N,X=map(int,input().split()) if N%X==0: print((N-X)*3) else: print(N*3-3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s488084319
p04048
Wrong Answer
N,X=map(int,input().split()) if N%2==0 and N//2==X: print(3*X) else: print(N*3-3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s242667221
p04048
Wrong Answer
N, X = map(int, input().split()) ans = X base = N - X elem = X while True: div, mod = divmod(base, elem) ans += div * elem * 2 if mod == 0: ans += base break base = elem elem = mod print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s656275378
p04048
Wrong Answer
n,x=map(int,input().split()) if n<=2*x:print(int(1.5*x)) else: k=(2*(x/(n-2*x)))*(n-2*x) ans=4*x+k print(int(ans))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s507309030
p04048
Wrong Answer
n,x=map(int,input().split()) print(6*x)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s621283558
p04048
Wrong Answer
n,x=map(int,input().split()) print(3*x+n+1)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s617177741
p04048
Wrong Answer
import sys input = sys.stdin.readline N, X = map(int, input().split()) def solve(n, x): if n == 0: return 0 if x == 1: return n * 3 m = x y = n - n // x * x if y == 0: return n // x * x * 3 return solve(m, y) + y * 3 * x print(solve(max(N - X, X), min(N - X, X)))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s335049700
p04048
Wrong Answer
from collections import deque from heapq import heapify,heappop,heappush,heappushpop from copy import copy,deepcopy from itertools import permutations,combinations from collections import defaultdict,Counter # from math import gcd # from fractions import gcd from functools import reduce from pprint import pprint def myinput(): return map(int,input().split()) def mylistinput(n): return [ list(myinput()) for _ in range(n) ] def mycol(data,col): return [ row[col] for row in data ] def mysort(data,col): data.sort(key=lambda x:x[col],reverse=False) return data def mymax(data): M = -1*float("inf") for i in range(len(data)): m = max(data[i]) M = max(M,m) return M def mymin(data): m = float("inf") for i in range(len(data)): M = min(data[i]) m = min(m,M) return m n,x = myinput() def mycalc(a,b): if b==0: return 0 else: return ( (a//b) * 3 * b ) + mycalc(b,a%b) if n%2==1: ans = (n-1)*3 else: # if x==1: # ans = (n-1)*3 # else: ans = mycalc(n-x,x) print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s658592611
p04048
Wrong Answer
from collections import deque from heapq import heapify,heappop,heappush,heappushpop from copy import copy,deepcopy from itertools import permutations,combinations from collections import defaultdict,Counter # from math import gcd # from fractions import gcd from functools import reduce from pprint import pprint def myinput(): return map(int,input().split()) def mylistinput(n): return [ list(myinput()) for _ in range(n) ] def mycol(data,col): return [ row[col] for row in data ] def mysort(data,col): data.sort(key=lambda x:x[col],reverse=False) return data def mymax(data): M = -1*float("inf") for i in range(len(data)): m = max(data[i]) M = max(M,m) return M def mymin(data): m = float("inf") for i in range(len(data)): M = min(data[i]) m = min(m,M) return m n,x = myinput() def mycalc(a,b): if b==0: return 0 else: return ( (a//b) * 3 * b ) + mycalc(b,a%b) if n%2==1: ans = (n-1)*3 else: # if x>(n//2): # x = n - x if x==1: ans = (n-1)*3 else: ans = mycalc(n-x,x) print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s075102699
p04048
Wrong Answer
from collections import deque from heapq import heapify,heappop,heappush,heappushpop from copy import copy,deepcopy from itertools import permutations,combinations from collections import defaultdict,Counter # from math import gcd # from fractions import gcd from functools import reduce from pprint import pprint def myinput(): return map(int,input().split()) def mylistinput(n): return [ list(myinput()) for _ in range(n) ] def mycol(data,col): return [ row[col] for row in data ] def mysort(data,col): data.sort(key=lambda x:x[col],reverse=False) return data def mymax(data): M = -1*float("inf") for i in range(len(data)): m = max(data[i]) M = max(M,m) return M def mymin(data): m = float("inf") for i in range(len(data)): M = min(data[i]) m = min(m,M) return m n,x = myinput() def mycalc(a,b): if b==0: return 0 else: return ( (a//b) * 3 * b ) + mycalc(b,a%b) if n%2==1: ans = (n-1)*3 else: if x>n//2: x = n - x if x==1: ans = (n-1)*3 else: ans = mycalc(n-x,x) print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s026962585
p04048
Wrong Answer
from collections import deque from heapq import heapify,heappop,heappush,heappushpop from copy import copy,deepcopy from itertools import permutations,combinations from collections import defaultdict,Counter # from math import gcd # from fractions import gcd from functools import reduce from pprint import pprint def myinput(): return map(int,input().split()) def mylistinput(n): return [ list(myinput()) for _ in range(n) ] def mycol(data,col): return [ row[col] for row in data ] def mysort(data,col): data.sort(key=lambda x:x[col],reverse=False) return data def mymax(data): M = -1*float("inf") for i in range(len(data)): m = max(data[i]) M = max(M,m) return M def mymin(data): m = float("inf") for i in range(len(data)): M = min(data[i]) m = min(m,M) return m n,x = myinput() ans = (n-1)*3 print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s428390220
p04048
Wrong Answer
n,x=map(int,input().split()) a=n-x b=a-x s=x+a+x+x+b+b+b print(s)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s338691775
p04048
Wrong Answer
def examA(): N = I() L = LI() L.sort() ans = sum(L[::2]) print(ans) return def examB(): N, X = LI() ans = N-X while(X>0): ans += (2 * (N//X) - 1) * X #print(ans,N,X) next_N = X next_X = N%X N = next_N X = next_X print(ans) return def examC(): ans = 0 print(ans) return def examD(): ans = 0 print(ans) return def examE(): ans = 0 print(ans) return def examF(): ans = 0 print(ans) return import sys,bisect,itertools,heapq,math,random from copy import deepcopy from heapq import heappop,heappush,heapify from collections import Counter,defaultdict,deque def I(): return int(sys.stdin.readline()) def LI(): return list(map(int,sys.stdin.readline().split())) def LSI(): return list(map(str,sys.stdin.readline().split())) def LS(): return sys.stdin.readline().split() def SI(): return sys.stdin.readline().strip() global mod,mod2,inf,alphabet,_ep mod = 10**9 + 7 mod2 = 998244353 inf = 10**18 _ep = 10**(-12) alphabet = [chr(ord('a') + i) for i in range(26)] sys.setrecursionlimit(10**6) if __name__ == '__main__': examB() """ """
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s680770749
p04048
Wrong Answer
N,X = map(int,input().split()) print(N*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s923034079
p04048
Wrong Answer
n,x=map(int,input().split()) if x < n/2: print(n + int(3.5 * x)) elif x == n/2: print(3 * x) else: if x % (n-x) == 0: print((n-x) * 3 * (x // (n-x))) else: q=n-x r= x % (n-x) ans = (n-x) * ((x//(n-x))*3 + 1) while r != 0: if q % r == 0: ans += ((q//r - 1) * 2 + 1) * r r=0 elif q % r != 0: ans += (q//r) * 2 * r q,r = r, q % r print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s730724643
p04048
Wrong Answer
n,x=map(int,input().split()) if x < n/2: print(n + 3.5 * x) elif x == n/2: print(3 * x) else: if x % (n-x) == 0: print((n-x) * 3 * (x // (n-x))) else: q=n-x r= x % (n-x) ans = (n-x) * ((x//(n-x))*3 + 1) while r != 0: if q % r == 0: ans += ((q//r - 1) * 2 + 1) * r r=0 elif q % r != 0: ans += (q//r) * 2 * r q,r = r, q % r print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s541085462
p04048
Wrong Answer
num = [int(x) for x in input().split()] N = num[0] X = num[1] result = N a = N -X b = X if a < b: c = a a = b b = c while b >= 1: result += (2*(a//b))*b c = a%b a = b b = c print(result)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s742191763
p04048
Wrong Answer
Input_num = [int(x) for x in input().split()] N = Input_num[0] X = Input_num[1] Total_Length = 2*X + N + 3*(X//2) print(Total_Length)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s219732171
p04048
Wrong Answer
def run(): N, X = map(int, input().split()) y = N-X ans = N while True: y, X = max(y, X), min(y, X) a = y//X ans += a*X*2 if y%X == 0: break y, X = X, a print(ans-X) if __name__ == '__main__': run()
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s715345696
p04048
Wrong Answer
n,x = [int(i) for i in input().split()] length = n n=n-x while True: if x==0: length-=x break t=n//x length+=2*t*x a=n n=x x=a-t*x print(length)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s506811118
p04048
Wrong Answer
n,x = [int(i) for i in input().split()] length = n n=n-x while True: if x==0: break t=n//x length+=2*t*x a=n n=x x=a-t*x print(length)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s747448111
p04048
Wrong Answer
N,X = map(int,input().split()) if X<=N/2: print(4*(N-X)) else: print(3*X)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s295660787
p04048
Wrong Answer
n,x = map(int,input().split()) print(x*3 + (n-x)*2)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s085277730
p04048
Wrong Answer
import sys, re from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians from itertools import permutations, combinations, product from operator import itemgetter, mul from copy import deepcopy from string import ascii_lowercase, ascii_uppercase, digits from fractions import gcd from bisect import bisect_left from heapq import heappush, heappop from scipy.sparse import csr_matrix from scipy.sparse.csgraph import floyd_warshall def input(): return sys.stdin.readline().strip() def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(): return list(map(int, input().split())) sys.setrecursionlimit(10 ** 9) INF = float('inf') mod = 10 ** 9 + 7 N, X = MAP() if X <= N/2: print(4*N-4*X) else: print(6*N-5*X)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s585033086
p04048
Wrong Answer
n, x = map(int, input().split()) print(2 * n + x)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s233090013
p04048
Wrong Answer
n, x = map(int, input().split()) ans = n wall_side = n - x light_length = n - (n - x) while True: if wall_side % light_length == 0: ans += (wall_side // light_length - 1) * 2 + 1 break else: ans += 2 * (wall_side // light_length) * light_length wall_side, light_length = light_length, wall_side % light_length print(ans)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s033188772
p04048
Wrong Answer
n,x=map(int,input().split()) if n-3*x>0: total=2*n else: total=n+4*x-1 print(total)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s791604642
p04048
Wrong Answer
# -*- coding: utf-8 -*- import sys def input(): return sys.stdin.readline().strip() def list2d(a, b, c): return [[c] * b for i in range(a)] def list3d(a, b, c, d): return [[[d] * c for j in range(b)] for i in range(a)] def list4d(a, b, c, d, e): return [[[[e] * d for j in range(c)] for j in range(b)] for i in range(a)] def ceil(x, y=1): return int(-(-x // y)) def INT(): return int(input()) def MAP(): return map(int, input().split()) def LIST(N=None): return list(MAP()) if N is None else [INT() for i in range(N)] def Yes(): print('Yes') def No(): print('No') def YES(): print('YES') def NO(): print('NO') sys.setrecursionlimit(10 ** 9) INF = float('inf') MOD = 10 ** 9 + 7 N, X = MAP() if N%2 == 1: print((N-1)*3) else: print(N*3//2+abs(X-N//2)*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s097379139
p04048
Wrong Answer
n, x = map(int, input().split()) a, b = max(n-x,x),min(n-x,x) res = a+b while b!=0: q = a/b r = a%b res += (b*2)*q if (r==0): res -= b a, b = b, r print(res)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s548884385
p04048
Wrong Answer
n, x = map(int, input().split()) ans = 0 a, b = max(n-x,x),min(n-x,x) res = a+b while b: q = a/b r = a%b res += (b*2)*q if (r==0): res -= b a, b = b, r print(res)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s697199411
p04048
Wrong Answer
n, x = map(int, input().split()) if (n%2 == 1): print((n-1)*3) elif (n==2): print(3) else: k=n/2 if (x<k): print(int((k*3)+(3*(k-x)))) elif(x==k): print(int(k*3)) else: print(int((k*3)+(3*(k-(n-x)))))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s578443542
p04048
Wrong Answer
n, x = map(int, input().split()) if (n%2 == 1): print((n-1)*3) elif (n==2): print(3) else: k=n//2 if (x<k): print(int((n-x)*k)) elif(x==k): print(int(k*3)) else: print(int(x*k))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s311364778
p04048
Wrong Answer
n, x = map(int, input().split()) if (n%2 ==1): print((n-1)*3) elif (n==2): print(3) else: k=n/2 if (x<k): print((n-x)*k) elif(x==k): print(k*3) else: print(x*k)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s212457501
p04048
Wrong Answer
n, x = map(int, input().split()) print((n-1)*3)
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s991997867
p04048
Wrong Answer
n, x = map(int, input().split()) ans = [] for i in range(1,n): k=i*3 ans.append(k) print(ans[n-2])
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s734543112
p04048
Wrong Answer
N, X = input().split() print(3 * (int(N) - 1))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s475209552
p04048
Wrong Answer
N, X = input().split() print(3 * int(N))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s822445461
p04048
Wrong Answer
N, X = input().split() print(6 * int(X))
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s446368918
p04048
Wrong Answer
import sys import heapq from operator import itemgetter from collections import deque, defaultdict from bisect import bisect_left, bisect_right input = sys.stdin.readline sys.setrecursionlimit(10 ** 7) MOD = 10**9 + 7 def sol(): N, X = map(int, input().split()) if X * 2 > N: print(3 * X) elif X * 2 == N: print(3 * X) else: print(4 * (N - X)) sol()
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>
s100697335
p04048
Wrong Answer
import sys import heapq from operator import itemgetter from collections import deque, defaultdict from bisect import bisect_left, bisect_right input = sys.stdin.readline sys.setrecursionlimit(10 ** 7) MOD = 10**9 + 7 def sol(): N, X = map(int, input().split()) if X * 2 > N: print(2 * X / (N - X)) elif X * 2 == N: print(3 * X) else: print(4 * (N - X)) sol()
5 2
12
<span class="lang-en"> <p>Score : <var>500</var> points</p> <div class="part"> <section> <h3>Problem Statement</h3><p>Snuke is conducting an optical experiment using mirrors and his new invention, the rifle of <em>Mysterious Light</em>.</p> <p>Three mirrors of length <var>N</var> are set so that they form an equilateral triangle. Let the vertices of the triangle be <var>a, b</var> and <var>c</var>.</p> <p>Inside the triangle, the rifle is placed at the point <var>p</var> on segment <var>ab</var> such that <var>ap = X</var>. (The size of the rifle is negligible.) Now, the rifle is about to fire a ray of Mysterious Light in the direction of <var>bc</var>.</p> <p>The ray of Mysterious Light will travel in a straight line, and will be reflected by mirrors, in the same ways as "ordinary" light. There is one major difference, though: it will be also reflected by its own trajectory as if it is a mirror! When the ray comes back to the rifle, the ray will be absorbed.</p> <p>The following image shows the ray's trajectory where <var>N = 5</var> and <var>X = 2</var>.</p> <div style="text-align: center;"> <img alt="btriangle.png" src="https://agc001.contest.atcoder.jp/img/agc/001/Gg9pvPKw/btriangle.png"> </img></div> <p>It can be shown that the ray eventually comes back to the rifle and is absorbed, regardless of the values of <var>N</var> and <var>X</var>. Find the total length of the ray's trajectory.</p> </section> </div> <div class="part"> <section> <h3>Constraints</h3><ul> <li><var>2≦N≦10^{12}</var></li> <li><var>1≦X≦N-1</var></li> <li><var>N</var> and <var>X</var> are integers.</li> </ul> </section> </div> <div class="part"> <section> <h3>Partial Points</h3><ul> <li><var>300</var> points will be awarded for passing the test set satisfying <var>N≦1000</var>.</li> <li>Another <var>200</var> points will be awarded for passing the test set without additional constraints.</li> </ul> </section> </div> <hr/> <div class="io-style"> <div class="part"> <section> <h3>Input</h3><p>The input is given from Standard Input in the following format:</p> <pre><var>N</var> <var>X</var> </pre> </section> </div> <div class="part"> <section> <h3>Output</h3><p>Print the total length of the ray's trajectory.</p> </section> </div> </div> <hr/> <div class="part"> <section> <h3>Sample Input 1</h3><pre>5 2 </pre> </section> </div> <div class="part"> <section> <h3>Sample Output 1</h3><pre>12 </pre> <p>Refer to the image in the Problem Statement section. The total length of the trajectory is <var>2+3+2+2+1+1+1 = 12</var>.</p></section> </div> </span>