wrong_submission_id
stringlengths
10
10
problem_id
stringlengths
6
6
user_id
stringlengths
10
10
time_limit
float64
1k
8k
memory_limit
float64
131k
1.05M
wrong_status
stringclasses
2 values
wrong_cpu_time
float64
10
40k
wrong_memory
float64
2.94k
3.37M
wrong_code_size
int64
1
15.5k
problem_description
stringlengths
1
4.75k
wrong_code
stringlengths
1
6.92k
acc_submission_id
stringlengths
10
10
acc_status
stringclasses
1 value
acc_cpu_time
float64
10
27.8k
acc_memory
float64
2.94k
960k
acc_code_size
int64
19
14.9k
acc_code
stringlengths
19
14.9k
s476354459
p03110
u749770850
2,000
1,048,576
Wrong Answer
17
2,940
175
Takahashi received _otoshidama_ (New Year's money gifts) from N of his relatives. You are given N values x_1, x_2, ..., x_N and N strings u_1, u_2, ..., u_N as input. Each string u_i is either `JPY` or `BTC`, and x_i and u_i represent the content of the otoshidama from the i-th relative. For example, if x_1 = `10000`...
n = int(input()) xu = [input().split() for _ in range(n)] ans = 0 for x, u in xu: print(x, u) if u == "BTC": ans += float(x) * 380000.0 else: ans += int(x) print(ans)
s936452744
Accepted
17
2,940
164
n = int(input()) xu = [input().split() for _ in range(n)] ans = 0 for x, u in xu: if u == "BTC": ans += float(x) * 380000.0 else: ans += int(x) print(ans)
s109534206
p02854
u225388820
2,000
1,048,576
Wrong Answer
113
26,764
268
Takahashi, who works at DISCO, is standing before an iron bar. The bar has N-1 notches, which divide the bar into N sections. The i-th section from the left has a length of A_i millimeters. Takahashi wanted to choose a notch and cut the bar at that point into two parts with the same length. However, this may not be po...
n=int(input()) a=list(map(int,input().split())) x=sum(a) i=ans1=0 while True: if ans1<x/2 and i<n: ans1+=a[i] i+=1 else: break if i==n-1: print(2*a[i-1]-x) else: i-=1 ans2=x-ans1 ans1-=a[i] print(a[i]-abs(ans1-ans2))
s193861737
Accepted
115
26,096
215
n=int(input()) a=list(map(int,input().split())) x=sum(a) i=ans1=0 while True: if ans1<x/2 and i<n: ans1+=a[i] i+=1 else: break i-=1 ans2=x-ans1 ans1-=a[i] print(a[i]-abs(ans1-ans2))
s527758501
p02613
u488934106
2,000
1,048,576
Wrong Answer
153
16,536
419
Takahashi is participating in a programming contest called AXC002, and he has just submitted his code to Problem A. The problem has N test cases. For each test case i (1\leq i \leq N), you are given a string S_i representing the verdict for that test case. Find the numbers of test cases for which the verdict is `AC`,...
from collections import defaultdict def b173(n, slist): countdict = defaultdict(int) for s in slist: countdict[s] += 1 return countdict def main(): tlist = ["AC", "WA", "TLE", "RE"] n = int(input()) slist = [str(input())for i in range(n)] countdict = b173(n, slist) for t in...
s100613650
Accepted
156
16,632
418
from collections import defaultdict def b173(n, slist): countdict = defaultdict(int) for s in slist: countdict[s] += 1 return countdict def main(): tlist = ["AC", "WA", "TLE", "RE"] n = int(input()) slist = [str(input())for i in range(n)] countdict = b173(n, slist) for t in...
s616094899
p03415
u635339675
2,000
262,144
Wrong Answer
17
2,940
83
We have a 3×3 square grid, where each square contains a lowercase English letters. The letter in the square at the i-th row from the top and j-th column from the left is c_{ij}. Print the string of length 3 that can be obtained by concatenating the letters in the squares on the diagonal connecting the top-left and bot...
x=[] for i in range(3): x.append(input()) print(x) print(x[0][0]+x[1][1]+x[2][2])
s129605338
Accepted
17
2,940
84
x=[] for i in range(3): x.append(input()) #print(x) print(x[0][0]+x[1][1]+x[2][2])
s431053505
p02601
u039304781
2,000
1,048,576
Wrong Answer
29
9,176
226
M-kun has the following three cards: * A red card with the integer A. * A green card with the integer B. * A blue card with the integer C. He is a genius magician who can do the following operation at most K times: * Choose one of the three cards and multiply the written integer by 2. His magic is successfu...
A, B, C = input().split() A, B, C = [int(A), int(B), int(C)] K = int(input()) for i in range(K): if(A > B): B = B * 2 elif(B > C): C = C * 2 if(C > B > A): print("Yes\n") else: print("No\n")
s313044208
Accepted
31
9,212
261
A, B, C = input().split() A, B, C = [int(A), int(B), int(C)] K = int(input()) for i in range(K): if(B >= C or A >= C): C = C * 2 elif(A >= B): B = B * 2 else: C = C * 2 if(C > B > A): print("Yes") else: print("No")
s373283012
p02607
u309141201
2,000
1,048,576
Wrong Answer
24
9,168
133
We have N squares assigned the numbers 1,2,3,\ldots,N. Each square has an integer written on it, and the integer written on Square i is a_i. How many squares i satisfy both of the following conditions? * The assigned number, i, is odd. * The written integer is odd.
n = int(input()) a = list(map(int, input().split())) ans = 0 for i in range(n)[::2]: if a[i]%2 != 1: ans += 1 print(ans)
s286815247
Accepted
31
8,988
151
n = int(input()) a = list(map(int, input().split())) ans = 0 for i in range(n)[::2]: # print(a[i]) if a[i]%2 != 0: ans += 1 print(ans)
s021103027
p03455
u255020959
2,000
262,144
Wrong Answer
23
9,184
161
AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.
a, b = map(int, input('整数を入力してね > ').split()) #print(a,b) answer = a * b print(answer) if answer % 2==0: print('Even') else: print('Odd')
s870608357
Accepted
31
8,884
123
a, b = map(int, input().split()) #print(a,b) answer = a * b if answer % 2 == 0: print('Even') else: print('Odd')
s547297288
p03493
u494422867
2,000
262,144
Wrong Answer
17
2,940
45
Snuke has a grid consisting of three squares numbered 1, 2 and 3. In each square, either `0` or `1` is written. The number written in Square i is s_i. Snuke will place a marble on each square that says `1`. Find the number of squares on which Snuke will place a marble.
print(sum(map(int, input().strip().split())))
s467634136
Accepted
17
2,940
35
print(sum(map(int, list(input()))))
s872692968
p03721
u941753895
2,000
262,144
Wrong Answer
609
29,168
282
There is an empty array. The following N operations will be performed to insert integers into the array. In the i-th operation (1≤i≤N), b_i copies of an integer a_i are inserted into the array. Find the K-th smallest integer in the array after the N operations. For example, the 4-th smallest integer in the array \\{1,2...
class struct: def __init__(self,a,b): self.a=a self.b=b n,k=map(int,input().split()) if n==3: exit() l=[] for i in range(n): a,b=map(int,input().split()) l.append(struct(a,b)) l=sorted(l,key=lambda x:x.a) s=0 for i in l: s+=i.b if k<=s: print(i.a) exit()
s621271105
Accepted
462
32,304
478
import math,string,itertools,fractions,heapq,collections,re,array,bisect,sys,random,time sys.setrecursionlimit(10**7) inf=10**20 mod=10**9+7 def LI(): return list(map(int,input().split())) def I(): return int(input()) def LS(): return input().split() def S(): return input() def main(): n,k=LI() l=[] for _ in ...
s983486573
p03434
u379424722
2,000
262,144
Wrong Answer
18
3,060
198
We have N cards. A number a_i is written on the i-th card. Alice and Bob will play a game using these cards. In this game, Alice and Bob alternately take one card. Alice goes first. The game ends when all the cards are taken by the two players, and the score of each player is the sum of the numbers written on the c...
N = int(input()) M = map(int,input().split()) M = sorted(M) alice = 0 bob = 0 for i in range(N): if i % 2 == 0: alice += M[i] else: bob += M[i] print(alice - bob)
s468361612
Accepted
17
3,060
211
N = int(input()) M = map(int,input().split()) M = sorted(M,reverse=True) alice = 0 bob = 0 for i in range(N): if i % 2 == 0: alice += M[i] else: bob += M[i] print(alice - bob)
s927366305
p03377
u244416763
2,000
262,144
Wrong Answer
25
9,156
81
There are a total of A + B cats and dogs. Among them, A are known to be cats, but the remaining B are not known to be either cats or dogs. Determine if it is possible that there are exactly X cats among these A + B animals.
a, b, x = map(int, input().split()) print("Yes" if a <= x and x <= a+b else "No")
s586856969
Accepted
30
9,036
81
a, b, x = map(int, input().split()) print("YES" if a <= x and x <= a+b else "NO")
s278077194
p02608
u852798899
2,000
1,048,576
Wrong Answer
1,075
9,280
259
Let f(n) be the number of triples of integers (x,y,z) that satisfy both of the following conditions: * 1 \leq x,y,z * x^2 + y^2 + z^2 + xy + yz + zx = n Given an integer N, find each of f(1),f(2),f(3),\ldots,f(N).
ans = [0 for i in range(10050)] for i in range(1, 105): for j in range(1, 105): for k in range(1, 105): v = i**2 + j**2 + k**2 + i*j + j*k + i*k if v < 10050: ans[v] +1 n = int(input()) for i in range(n): print(ans[i+1])
s381307387
Accepted
922
9,068
259
ans = [0 for i in range(10050)] for i in range(1, 105): for j in range(1, 105): for k in range(1, 105): v = i**2 + j**2 + k**2 + i*j + j*k + i*k if v < 10050: ans[v]+=1 n = int(input()) for i in range(n): print(ans[i+1])
s487610527
p03796
u594244257
2,000
262,144
Wrong Answer
33
2,940
151
Snuke loves working out. He is now exercising N times. Before he starts exercising, his _power_ is 1. After he exercises for the i-th time, his power gets multiplied by i. Find Snuke's power after he exercises N times. Since the answer can be extremely large, print the answer modulo 10^{9}+7.
MOD = 10**9+7 def frac(n): power = 1 for i in range(1,n+1): power *= i power %= MOD return power N = int(input()) frac(N)
s343558363
Accepted
33
3,064
158
MOD = 10**9+7 def frac(n): power = 1 for i in range(1,n+1): power *= i power %= MOD return power N = int(input()) print(frac(N))
s122885573
p03992
u230180492
2,000
262,144
Wrong Answer
22
3,064
25
This contest is `CODE FESTIVAL`. However, Mr. Takahashi always writes it `CODEFESTIVAL`, omitting the single space between `CODE` and `FESTIVAL`. So he has decided to make a program that puts the single space he omitted. You are given a string s with 12 letters. Output the string putting a single space between the fi...
s=input() s[:4]+" "+s[4:]
s075246388
Accepted
22
3,064
32
s=input() print(s[:4]+" "+s[4:])
s106014910
p03729
u393881437
2,000
262,144
Wrong Answer
17
2,940
102
You are given three strings A, B and C. Check whether they form a _word chain_. More formally, determine whether both of the following are true: * The last character in A and the initial character in B are the same. * The last character in B and the initial character in C are the same. If both are true, print `Y...
a, b, c = list(input().split()) print('Yes' if a[len(a)-1] == b[0] and b[len(b)-1] == c[0] else 'No')
s852703877
Accepted
17
2,940
102
a, b, c = list(input().split()) print('YES' if a[len(a)-1] == b[0] and b[len(b)-1] == c[0] else 'NO')
s703782573
p02390
u100875060
1,000
131,072
Wrong Answer
20
5,584
91
Write a program which reads an integer $S$ [second] and converts it to $h:m:s$ where $h$, $m$, $s$ denote hours, minutes (less than 60) and seconds (less than 60) respectively.
n=int(input()) h=int(n/3600) m=int((n%3600)/60) s=n%60 print(str(h)+" "+str(m)+" "+str(s))
s507776632
Accepted
20
5,588
91
n=int(input()) h=int(n/3600) m=int((n%3600)/60) s=n%60 print(str(h)+":"+str(m)+":"+str(s))
s921881931
p03095
u197300260
2,000
1,048,576
Wrong Answer
46
4,660
1,467
You are given a string S of length N. Among its subsequences, count the ones such that all characters are different, modulo 10^9+7. Two subsequences are considered different if their characters come from different positions in the string, even if they are the same as strings. Here, a subsequence of a string is a conca...
# _*_ coding:utf-8 _*_ from collections import Counter def solveProblem(S): SSorted = sorted(S) stringCounterBox = Counter(SSorted) # [(a,2),(b,2),(c,1)] maxStrLength = len(stringCounterBox) print("maxStringLength:{}".format(maxStrLength)) countList = list(stringCounterBox.values()) print("countList:{...
s876250073
Accepted
25
3,444
1,436
# _*_ coding:utf-8 _*_ from collections import Counter def solveProblem(S): stringCounterBox = Counter(S) # [(a,2),(b,2),(c,1)] maxStrLength = len(stringCounterBox) countList = list(stringCounterBox.values()) counter = 1 for i in range(0,len(countList),+1): # counter = (counter * (countList[i]...
s508899504
p00037
u766477342
1,000
131,072
Wrong Answer
20
7,524
994
上から見ると図 1 のような形の格子状の広場があります。この格子の各辺に「壁」があるかないかを 0 と 1 の並びで表します。点 A に立って壁に右手をつき、壁に右手をついたまま、矢印の方向に歩き続けて再び点 A に戻ってくるまでの経路を出力するプログラムを作成してください。 --- 図1 ---
import sys n = [input() for i in range(9)] path = [[0 for i in range(5)] for j in range(5)] for i, v in enumerate([a[1] for a in enumerate(n) if a[0] % 2 == 0]): for j in range(4): if v[j] == '1': path[i][j] += 1 path[i][j+1] += 2 for i, v in enumerate([a[1] for a in enumerate(n) ...
s605587584
Accepted
20
7,556
1,034
import sys n = [input() for i in range(9)] path = [[0 for i in range(5)] for j in range(5)] for i, v in enumerate([a[1] for a in enumerate(n) if a[0] % 2 == 0]): for j in range(4): if v[j] == '1': path[i][j] += 1 path[i][j+1] += 2 for i, v in enumerate([a[1] for a in enumerate(n) ...
s153202694
p03401
u137693056
2,000
262,144
Wrong Answer
2,105
17,600
276
There are N sightseeing spots on the x-axis, numbered 1, 2, ..., N. Spot i is at the point with coordinate A_i. It costs |a - b| yen (the currency of Japan) to travel from a point with coordinate a to another point with coordinate b along the axis. You planned a trip along the axis. In this plan, you first depart from...
import copy N=int(input()) a=list(map(int,input().split())) print(a) for i in range(N): A=copy.deepcopy(a) A.pop(i) A.insert(0,0) A.append(0) A.append(0) B=copy.deepcopy(A) B.insert(0,0) A_B=[abs(x-y) for (x,y) in zip(A,B)] print(sum(A_B))
s791912583
Accepted
1,025
31,824
240
import numpy as np N=int(input()) A=list(map(int,input().split())) A.insert(0,0) A.append(0) A=np.array(A) S=np.sum(np.abs(np.diff(A))) for i in range(1,N+1): S_i=S+abs(A[i-1]-A[i+1])-(abs(A[i-1]-A[i])+abs(A[i]-A[i+1])) print(S_i)
s817975979
p03485
u360617739
2,000
262,144
Wrong Answer
17
2,940
79
You are given two positive integers a and b. Let x be the average of a and b. Print x rounded up to the nearest integer.
a,b = map(int, input().split()) x = (a+b)/2 print(int(x//1+1))
s650199639
Accepted
18
2,940
66
a,b = map(int, input().split()) print((a+b+1)//2)
s275151900
p03380
u057463552
2,000
262,144
Wrong Answer
2,104
14,348
551
Let {\rm comb}(n,r) be the number of ways to choose r objects from among n objects, disregarding order. From n non-negative integers a_1, a_2, ..., a_n, select two numbers a_i > a_j so that {\rm comb}(a_i,a_j) is maximized. If there are multiple pairs that maximize the value, any of them is accepted.
n = int(input()) A = [int(a) for a in input().split()] M = max(A) A.remove(max(A)) i,j = 0,0 if M % 2 == 1: while i >= 0: if ((M - 1) // 2) + i in A: print(M,((M - 1) // 2) + i) quit() elif ((max(A) - 1) // 2) - i in A: print(M, ((M - 1) // 2) - i) qu...
s023420521
Accepted
105
14,052
196
n = int(input()) A = [int(a) for a in input().split()] M = max(A) ans = 0 for i in range(0,n): ans = max(ans, min(A[i], M - A[i])) if ans in A: print(M,ans) else: print(M,M - ans)
s204436368
p02578
u743164083
2,000
1,048,576
Wrong Answer
213
32,344
248
N persons are standing in a row. The height of the i-th person from the front is A_i. We want to have each person stand on a stool of some heights - at least zero - so that the following condition is satisfied for every person: Condition: Nobody in front of the person is taller than the person. Here, the height of a ...
n = int(input()) H = list(map(int, input().split())) mh = 0 ans = 0 for i in range(n - 1): mh = max(mh, H[i]) if H[i] <= H[i + 1]: continue else: if H[i + 1] < H[i]: ans = max(ans, mh - H[i + 1]) print(ans)
s162684475
Accepted
185
32,148
224
n = int(input()) H = list(map(int, input().split())) mh = 0 cnt = 0 for i in range(n - 1): mh = max(mh, H[i]) if H[i] <= H[i + 1] and mh < H[i + 1]: continue else: cnt += mh - H[i + 1] print(cnt)
s834231228
p03796
u556594202
2,000
262,144
Wrong Answer
45
9,112
78
Snuke loves working out. He is now exercising N times. Before he starts exercising, his _power_ is 1. After he exercises for the i-th time, his power gets multiplied by i. Find Snuke's power after he exercises N times. Since the answer can be extremely large, print the answer modulo 10^{9}+7.
N = int(input()) p=1 for i in range(1,N): p = (p*i) % (10**9+7) print(p)
s773140252
Accepted
48
9,124
78
N = int(input()) p=1 for i in range(1,N+1): p = (p*i)%(10**9+7) print(p)
s230744884
p03447
u353919145
2,000
262,144
Wrong Answer
18
2,940
88
You went shopping to buy cakes and donuts with X yen (the currency of Japan). First, you bought one cake for A yen at a cake shop. Then, you bought as many donuts as possible for B yen each, at a donut shop. How much do you have left after shopping?
x = int(input()) a = int(input()) b = int(input()) num = x-a num = num//b print(x-num)
s198906438
Accepted
17
2,940
85
a=int(input()) b=int(input()) c=int(input()) u=a-b v=u//c w=v*c left=u-w print(left)
s790474102
p03161
u624696727
2,000
1,048,576
Wrong Answer
1,920
13,928
316
There are N stones, numbered 1, 2, \ldots, N. For each i (1 \leq i \leq N), the height of Stone i is h_i. There is a frog who is initially on Stone 1. He will repeat the following action some number of times to reach Stone N: * If the frog is currently on Stone i, jump to one of the following: Stone i + 1, i + 2, \...
def solver(): N,K = map(int, input().split()) h = list(map(int, input().split())) dp = [0 for _ in range(N)] for i in range(1,N): min_cost = 100000 for j in range(max(0, i-K),i): cost = dp[j] + abs(h[i]-h[j]) if cost < min_cost : min_cost = cost dp[i] = min_cost print(dp) print(dp[N-1]) solver()
s563517578
Accepted
1,910
13,976
304
def solver(): N,K = map(int, input().split()) h = list(map(int, input().split())) dp = [0 for _ in range(N)] for i in range(1,N): min_cost = 10**10 for j in range(max(0, i-K),i): cost = dp[j] + abs(h[i]-h[j]) if cost < min_cost : min_cost = cost dp[i] = min_cost print(dp[N-1]) solver()
s493353048
p03472
u332906195
2,000
262,144
Wrong Answer
398
11,312
371
You are going out for a walk, when you suddenly encounter a monster. Fortunately, you have N katana (swords), Katana 1, Katana 2, …, Katana N, and can perform the following two kinds of attacks in any order: * Wield one of the katana you have. When you wield Katana i (1 ≤ i ≤ N), the monster receives a_i points of d...
import math N, H = map(int, input().split()) A, B = [], [] for _ in range(N): a, b = map(int, input().split()) A.append(a) B.append(b) A.sort(reverse=True) B.sort(reverse=True) score = 0 for i in range(N): if B[i] <= A[0]: break score += B[i] if score >= H: print(i + 1) ...
s164602190
Accepted
386
11,264
393
import math N, H = map(int, input().split()) A, B = [], [] for _ in range(N): a, b = map(int, input().split()) A.append(a) B.append(b) A.sort(reverse=True) B.sort(reverse=True) score = 0 for i in range(N): if B[i] <= A[0]: i = i - 1 break score += B[i] if score >= H: p...
s436849226
p02694
u187798720
2,000
1,048,576
Wrong Answer
22
9,168
128
Takahashi has a deposit of 100 yen (the currency of Japan) in AtCoder Bank. The bank pays an annual interest rate of 1 % compounded annually. (A fraction of less than one yen is discarded.) Assuming that nothing other than the interest affects Takahashi's balance, in how many years does the balance reach X yen or abo...
goal = int(input()) deposit = 100 year = 0 while deposit <= goal: deposit = int(deposit * 1.01) year += 1 print(year)
s329993622
Accepted
22
9,164
127
goal = int(input()) deposit = 100 year = 0 while deposit < goal: deposit = int(deposit * 1.01) year += 1 print(year)
s242294280
p02409
u606989659
1,000
131,072
Wrong Answer
30
7,604
288
You manage 4 buildings, each of which has 3 floors, each of which consists of 10 rooms. Write a program which reads a sequence of tenant/leaver notices, and reports the number of tenants for each room. For each notice, you are given four integers b, f, r and v which represent that v persons entered to room r of fth fl...
D = [[[0 for x in range(10)] for F in range(3)] for B in range(4)] n = int(input()) for i in range(n): b,f,r,v = map(int,input().split()) D[b-1][f-1][r-1] += v S = '#'*20 for B in D: for F in B: print(' ' + ' '.join(map(str,F))) if B != 3: print('#'*20)
s950079131
Accepted
20
7,736
317
D = [[[0 for V in range(10)] for F in range(3)] for B in range(4)] n = int(input()) for i in range(n): b,f,r,v = map(int,input().split()) D[b-1][f-1][r-1] += v for B in D[:-1]: for F in B: print(' ' + ' '.join(map(str,F))) print('#'*20) for F in D[-1]: print(' ' + ' '.join(map(str,F)))
s008635436
p03447
u694810977
2,000
262,144
Wrong Answer
18
2,940
87
You went shopping to buy cakes and donuts with X yen (the currency of Japan). First, you bought one cake for A yen at a cake shop. Then, you bought as many donuts as possible for B yen each, at a donut shop. How much do you have left after shopping?
X = int(input()) A = int(input()) B = int(input()) result = (X-A)//B print(int(result))
s899629359
Accepted
17
2,940
91
X = int(input()) A = int(input()) B = int(input()) result = (X-A)//B print((X-A)-B*result)
s746827982
p02841
u460185449
2,000
1,048,576
Wrong Answer
17
2,940
97
In this problem, a date is written as Y-M-D. For example, 2019-11-30 means November 30, 2019. Integers M_1, D_1, M_2, and D_2 will be given as input. It is known that the date 2019-M_2-D_2 follows 2019-M_1-D_1. Determine whether the date 2019-M_1-D_1 is the last day of a month.
m1,d1=map(int,input().split()) m2,d2=map(int,input().split()) if m1 != m2 :print(0) else:print(1)
s443341298
Accepted
20
3,316
97
m1,d1=map(int,input().split()) m2,d2=map(int,input().split()) if m1 != m2 :print(1) else:print(0)
s692422054
p02393
u908651435
1,000
131,072
Wrong Answer
20
5,540
28
Write a program which reads three integers, and prints them in ascending order.
a=input().split() print(a)
s766922186
Accepted
20
5,544
50
a=input().split() a.sort() print(a[0],a[1],a[2])
s793381843
p02612
u530606147
2,000
1,048,576
Wrong Answer
30
9,012
55
We will buy a product for N yen (the currency of Japan) at a shop. If we use only 1000-yen bills to pay the price, how much change will we receive? Assume we use the minimum number of bills required.
n = int(input()) while n >=1000: n -= 1000 print(n)
s382425486
Accepted
31
9,064
60
n = int(input()) p = 0 while p < n: p += 1000 print(p-n)
s173248277
p04044
u190086340
2,000
262,144
Wrong Answer
18
3,060
194
Iroha has a sequence of N strings S_1, S_2, ..., S_N. The length of each string is L. She will concatenate all of the strings in some order, to produce a long string. Among all strings that she can produce in this way, find the lexicographically smallest one. Here, a string s=s_1s_2s_3...s_n is _lexicographically sm...
N, L = list(map(int, input().split())) def solve(): print(N, L) strs = [] for _ in range(N): strs.append(input()) strs.sort() return "".join(strs) print(solve())
s354091072
Accepted
19
3,060
178
N, L = list(map(int, input().split())) def solve(): strs = [] for _ in range(N): strs.append(input()) strs.sort() return "".join(strs) print(solve())
s302881833
p03386
u441320782
2,000
262,144
Wrong Answer
17
3,060
156
Print all the integers that satisfies the following in ascending order: * Among the integers between A and B (inclusive), it is either within the K smallest integers or within the K largest integers.
A,B,K=map(int,input().split()) X = [p for p in range(A,A+K) if p<=B] Y = [q for q in range(B-K+1,B+1) if q>=A] ans = list(set(X+Y)) for i in ans: print(i)
s151397444
Accepted
18
3,060
167
A,B,K=map(int,input().split()) X = [p for p in range(A,A+K) if p<=B] Y = [q for q in range(B-K+1,B+1) if q>=A] ans = list(set(X+Y)) ans.sort() for i in ans: print(i)
s350406764
p03729
u272557899
2,000
262,144
Wrong Answer
17
2,940
110
You are given three strings A, B and C. Check whether they form a _word chain_. More formally, determine whether both of the following are true: * The last character in A and the initial character in B are the same. * The last character in B and the initial character in C are the same. If both are true, print `Y...
a, b, c = map(str, input().split()) if a[-1] == b[0] and b[-1] == c[0]: print("Yes") else: print("No")
s584651377
Accepted
17
2,940
110
a, b, c = map(str, input().split()) if a[-1] == b[0] and b[-1] == c[0]: print("YES") else: print("NO")
s045104245
p03861
u970809473
2,000
262,144
Wrong Answer
17
2,940
98
You are given nonnegative integers a and b (a ≤ b), and a positive integer x. Among the integers between a and b, inclusive, how many are divisible by x?
a,b,c = map(int, input().split()) if a == 0: print((b - a) // c + 1) else: print((b - a) // c)
s648899795
Accepted
18
3,064
120
a,b,x = map(int,input().split()) ans = 0 ad = a//x*x bd = b//x*x if ad == a: ans += 1 ans += (bd - ad) // x print(ans)
s509441077
p03478
u602677143
2,000
262,144
Wrong Answer
34
3,060
173
Find the sum of the integers between 1 and N (inclusive), whose sum of digits written in base 10 is between A and B (inclusive).
n,a,b = map(int,input().split()) ans = 0 for i in range(1,n+1): result = sum(list(map(int, str(i)))) if result >= a and result <= b: ans += result print(result)
s374140436
Accepted
34
3,060
171
n,a,b = map(int,input().split()) ans = 0 for i in range(1,n+1): result = sum(list(map(int, str(i)))) if result >= a and result <= b: ans += i print(ans)
s794548934
p02267
u519227872
1,000
131,072
Wrong Answer
20
7,712
219
You are given a sequence of _n_ integers S and a sequence of different _q_ integers T. Write a program which outputs C, the number of integers in T which are also in the set S.
n = int(input()) S = map(int, input().split()) q = int(input()) T = map(int, input().split()) def ls(A, k): for a in A: if k == a: return True return False print(sum([ls(S, t) for t in T]))
s730746414
Accepted
30
8,368
225
n = int(input()) S = list(map(int, input().split())) q = int(input()) T = map(int, input().split()) def ls(A, k): for a in A: if k == a: return True return False print(sum([ls(S, t) for t in T]))
s815750050
p02258
u317901693
1,000
131,072
Wrong Answer
20
7,600
277
You can obtain profits from foreign exchange margin transactions. For example, if you buy 1000 dollar at a rate of 100 yen per dollar, and sell them at a rate of 108 yen per dollar, you can obtain (108 - 100) × 1000 = 8000 yen. Write a program which reads values of a currency $R_t$ at a certain time $t$ ($t = 0, 1, 2,...
N = int(input()) input_line = [] for i in range(N): input_line.append(int(input())) print(input_line) maxv = input_line[1] - input_line[0] minv = input_line[0] for j in range(1, N): maxv = max(maxv, input_line[j] - minv) minv = min(minv, input_line[j]) print(maxv)
s979036777
Accepted
540
15,608
259
N = int(input()) input_line = [] for i in range(N): input_line.append(int(input())) maxv = input_line[1] - input_line[0] minv = input_line[0] for j in range(1, N): maxv = max(maxv, input_line[j] - minv) minv = min(minv, input_line[j]) print(maxv)
s692858539
p02614
u842388336
1,000
1,048,576
Wrong Answer
184
27,236
687
We have a grid of H rows and W columns of squares. The color of the square at the i-th row from the top and the j-th column from the left (1 \leq i \leq H, 1 \leq j \leq W) is given to you as a character c_{i,j}: the square is white if c_{i,j} is `.`, and black if c_{i,j} is `#`. Consider doing the following operation...
from itertools import combinations import numpy as np h, w, k = map(int,input().split()) cnt = 0 matrix = [] for _ in range(h): matrix.append([1 if word=='#' else 0 for word in input()]) h_list = list(range(h)) w_list = list(range(w)) h_check_list = [] w_check_list = [] for i in range(h-1): h_check_list += list...
s481436577
Accepted
176
27,248
678
from itertools import combinations import numpy as np h, w, k = map(int,input().split()) cnt = 0 matrix = [] for _ in range(h): matrix.append([1 if word=='#' else 0 for word in input()]) h_list = list(range(h)) w_list = list(range(w)) h_check_list = [] w_check_list = [] for i in range(h): h_check_list += list(c...
s215855914
p03557
u608088992
2,000
262,144
Wrong Answer
1,657
25,004
898
The season for Snuke Festival has come again this year. First of all, Ringo will perform a ritual to summon Snuke. For the ritual, he needs an altar, which consists of three parts, one in each of the three categories: upper, middle and lower. He has N parts for each of the three categories. The size of the i-th upper ...
def Bsearch(X, i, Y): if X[i] <= Y[0]: return False else: min, max = 0, len(X) while max - min > 1: mid = (min + max) // 2 if X[i] > Y[mid]: min = mid else: max = mid return min N = int(input()) A = [int(i) for ...
s219836537
Accepted
1,039
23,296
628
def BvsA(i): min, max = 0, N while max-min>1: mid = (min+max)//2 if B[i] > A[mid]: min = mid else: max = mid return min+1 def BvsC(i): min, max = -1, N-1 while max-min>1: mid = (min+max)//2 if B[i] < C[mid]: max = mid ...
s512193150
p03493
u581603131
2,000
262,144
Wrong Answer
17
2,940
41
Snuke has a grid consisting of three squares numbered 1, 2 and 3. In each square, either `0` or `1` is written. The number written in Square i is s_i. Snuke will place a marble on each square that says `1`. Find the number of squares on which Snuke will place a marble.
list = list(input()) print(list.count(1))
s646515421
Accepted
17
2,940
43
list = list(input()) print(list.count('1'))
s953569751
p03693
u391533749
2,000
262,144
Wrong Answer
17
2,940
105
AtCoDeer has three cards, one red, one green and one blue. An integer between 1 and 9 (inclusive) is written on each card: r on the red card, g on the green card and b on the blue card. We will arrange the cards in the order red, green and blue from left to right, and read them as a three-digit integer. Is this i...
r,g,b = list(map(int,input().split())) z=100*r+10*g+b if z%4==0: print("Yes") else: print("No")
s348334337
Accepted
17
2,940
105
r,g,b = list(map(int,input().split())) z=100*r+10*g+b if z%4==0: print("YES") else: print("NO")
s310707062
p02390
u843628476
1,000
131,072
Wrong Answer
20
7,608
80
Write a program which reads an integer $S$ [second] and converts it to $h:m:s$ where $h$, $m$, $s$ denote hours, minutes (less than 60) and seconds (less than 60) respectively.
n = input() n = int(n) h = n // 3600 m = (n % 3600) // 60 s = (n % 3600) % 60
s841950930
Accepted
40
7,640
125
n = input() n = int(n) h = n // 3600 m = (n % 3600) // 60 s = (n % 3600) % 60 print(str(h) + ':' + str(m) + ':' + str(s))
s978524927
p04044
u573946014
2,000
262,144
Wrong Answer
27
8,952
125
Iroha has a sequence of N strings S_1, S_2, ..., S_N. The length of each string is L. She will concatenate all of the strings in some order, to produce a long string. Among all strings that she can produce in this way, find the lexicographically smallest one. Here, a string s=s_1s_2s_3...s_n is _lexicographically sm...
N, L = map(int, input().split()) S_i = [input() for i in range(N)] s = sorted(S_i) m = "" for x in s: m += x print(m)
s801833831
Accepted
28
9,060
125
N, L = map(int, input().split()) S_i = [input() for i in range(N)] m = "" for x in sorted(S_i): m += x else: print(m)
s767758112
p03860
u762420987
2,000
262,144
Wrong Answer
18
2,940
46
Snuke is going to open a contest named "AtCoder s Contest". Here, s is a string of length 1 or greater, where the first character is an uppercase English letter, and the second and subsequent characters are lowercase English letters. Snuke has decided to abbreviate the name of the contest as "AxC". Here, x is the uppe...
a,b,c = map(str,input().split()) print(a,b,c)
s383349084
Accepted
18
2,940
69
a,b,c = map(str,input().split()) B = list(b) print("A"+B[0]+"C") #ok
s210413309
p03711
u612721349
2,000
262,144
Wrong Answer
17
2,940
88
Based on some criterion, Snuke divided the integers from 1 through 12 into three groups as shown in the figure below. Given two integers x and y (1 ≤ x < y ≤ 12), determine whether they belong to the same group.
s=map(int,input().split());print("yes"if s in[1,3,5,7,8,10,12]or s in[4,6,9,11]else"no")
s906675180
Accepted
18
3,060
139
s=[int(i)for i in input().split()];f=lambda x,l:not(set(x)-set(l));print(["No","Yes"][f(s,[1,3,5,7,8,10,12])or f(s,[4,6,9,11])or f(s,[2])])
s465782791
p03997
u484578205
2,000
262,144
Wrong Answer
38
3,064
81
You are given a trapezoid. The lengths of its upper base, lower base, and height are a, b, and h, respectively. An example of a trapezoid Find the area of this trapezoid.
n0 = int(input()) n1 = int(input()) n2 = int(input()) print( (n0 + n1) * n2 / 2)
s424690671
Accepted
37
3,064
86
n0 = int(input()) n1 = int(input()) n2 = int(input()) print(int( (n0 + n1) * n2 / 2))
s114773919
p03149
u368796742
2,000
1,048,576
Wrong Answer
17
2,940
121
You are given four digits N_1, N_2, N_3 and N_4. Determine if these can be arranged into the sequence of digits "1974".
l = list(map(int,input().split())) if (1 in l) and (4 in l) and (7 in l) and (9 in l): print("Yes") else: print("No")
s998206773
Accepted
17
2,940
122
l = list(map(int,input().split())) if (1 in l) and (4 in l) and (7 in l) and (9 in l): print("YES") else: print("NO")
s897644357
p03719
u633355062
2,000
262,144
Wrong Answer
17
2,940
77
You are given three integers A, B and C. Determine whether C is not less than A and not greater than B.
a,b,c=map(int,input().split()) if a<=c<=b: print('YES') else: print('NO')
s235691147
Accepted
17
2,940
78
a,b,c=map(int,input().split()) if a<=c<=b: print('Yes') else: print('No')
s843681800
p03944
u288430479
2,000
262,144
Wrong Answer
17
3,064
389
There is a rectangle in the xy-plane, with its lower left corner at (0, 0) and its upper right corner at (W, H). Each of its sides is parallel to the x-axis or y-axis. Initially, the whole region within the rectangle is painted white. Snuke plotted N points into the rectangle. The coordinate of the i-th (1 ≦ i ≦ N) po...
w,h,n = map(int,input().split()) area = h*w a1=0 a2=w a3=0 a4=h for i in range(n): x,y,a = map(int,input().split()) if a ==1: a1 = max(a1,x) elif a ==2: a2 = min(a2,x) elif a ==3: a3 = max(a3,y) elif a==4: a4 = min(a4,y) #print(a1,a2,a3,a4) area -= a1*h + (w-a2)*h + a3*w + (h-a4)*w if area<=0...
s565134836
Accepted
18
3,064
414
w,h,n = map(int,input().split()) area = h*w a1=0 a2=w a3=0 a4=h for i in range(n): x,y,a = map(int,input().split()) if a ==1: a1 = max(a1,x) elif a ==2: a2 = min(a2,x) elif a ==3: a3 = max(a3,y) elif a==4: a4 = min(a4,y) #print(a1,a2,a3,a4) if a1>=a2 or a3>=a4: print(0) else: area -= a1*h ...
s331053602
p03455
u728473456
2,000
262,144
Wrong Answer
17
2,940
88
AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.
a,b = map(int,input().split()) if a*b % 2 == 0: print('even') else: print('odd')
s691389003
Accepted
17
2,940
88
a,b = map(int,input().split()) # if a*b%2 == 0: print('Even') else: print('Odd')
s684423253
p03623
u638033979
2,000
262,144
Wrong Answer
17
2,940
95
Snuke lives at position x on a number line. On this line, there are two stores A and B, respectively at position a and b, that offer food for delivery. Snuke decided to get food delivery from the closer of stores A and B. Find out which store is closer to Snuke's residence. Here, the distance between two points s and...
x,a,b = map(int,input().split()) if abs(a-x) > abs(b-x): print("A") else: print("B")
s262149573
Accepted
17
2,940
93
x,a,b = map(int,input().split()) if abs(a-x) < abs(b-x): print("A") else: print("B")
s602856382
p04044
u572271833
2,000
262,144
Wrong Answer
17
2,940
98
Iroha has a sequence of N strings S_1, S_2, ..., S_N. The length of each string is L. She will concatenate all of the strings in some order, to produce a long string. Among all strings that she can produce in this way, find the lexicographically smallest one. Here, a string s=s_1s_2s_3...s_n is _lexicographically sm...
line = list(map(str,input().split( ))) #print(line) line.sort() #print(line) print(''.join(line))
s782069237
Accepted
17
3,060
151
n,l = map(int,input().split( )) line = [] for i in range(n): line.append(str(input())) #print(line) line.sort() #print(line) print(''.join(line))
s994505932
p02415
u150984829
1,000
131,072
Wrong Answer
20
5,572
89
Write a program which converts uppercase/lowercase letters to lowercase/uppercase for a given string.
s=input();u=s.upper();l=s.lower() print(*[(l[i],u[i])[s[i]==u[i]]for i in range(len(s))])
s148242170
Accepted
20
5,572
97
s=input();u=s.upper();l=s.lower() print(''.join([(u[i],l[i])[s[i]==u[i]]for i in range(len(s))]))
s853813718
p03623
u960513073
2,000
262,144
Wrong Answer
18
2,940
70
Snuke lives at position x on a number line. On this line, there are two stores A and B, respectively at position a and b, that offer food for delivery. Snuke decided to get food delivery from the closer of stores A and B. Find out which store is closer to Snuke's residence. Here, the distance between two points s and...
x,a,b = list(map(int, input().split())) print(min(abs(x-a), abs(x-b)))
s312437876
Accepted
17
2,940
109
x,a,b = list(map(int, input().split())) xa = abs(x-a) xb = abs(x-b) if xa>xb: print("B") else: print("A")
s470644360
p03548
u440161695
2,000
262,144
Wrong Answer
18
2,940
48
We have a long seat of width X centimeters. There are many people who wants to sit here. A person sitting on the seat will always occupy an interval of length Y centimeters. We would like to seat as many people as possible, but they are all very shy, and there must be a gap of length at least Z centimeters between two...
X,Y,Z=map(int,input().split()) print((X-Z)//Y+Z)
s438822128
Accepted
17
2,940
50
X,Y,Z=map(int,input().split()) print((X-Z)//(Y+Z))
s855086975
p02613
u113991073
2,000
1,048,576
Wrong Answer
145
16,608
194
Takahashi is participating in a programming contest called AXC002, and he has just submitted his code to Problem A. The problem has N test cases. For each test case i (1\leq i \leq N), you are given a string S_i representing the verdict for that test case. Find the numbers of test cases for which the verdict is `AC`,...
from collections import Counter n=int(input()) s=[input() for i in range(n)] print("AC ×",s.count("AC")) print("WA ×",s.count("WA")) print("TLE ×",s.count("TLE")) print("RE ×",s.count("RE"))
s571850070
Accepted
140
16,352
200
from collections import Counter n=int(input()) s=[input() for i in range(n)] print("AC","x",s.count("AC")) print("WA","x",s.count("WA")) print("TLE","x",s.count("TLE")) print("RE","x",s.count("RE"))
s565939505
p03377
u232852711
2,000
262,144
Wrong Answer
17
2,940
106
There are a total of A + B cats and dogs. Among them, A are known to be cats, but the remaining B are not known to be either cats or dogs. Determine if it is possible that there are exactly X cats among these A + B animals.
a, b, x = list(map(int, input().split())) if x >= a and x <= a+b: print('Yes') else: print('No')
s966120006
Accepted
17
2,940
106
a, b, x = list(map(int, input().split())) if x >= a and x <= a+b: print('YES') else: print('NO')
s877395588
p03401
u362560965
2,000
262,144
Wrong Answer
228
14,048
301
There are N sightseeing spots on the x-axis, numbered 1, 2, ..., N. Spot i is at the point with coordinate A_i. It costs |a - b| yen (the currency of Japan) to travel from a point with coordinate a to another point with coordinate b along the axis. You planned a trip along the axis. In this plan, you first depart from...
N = int(input()) A = [int(i) for i in input().split()] A = [0] + A + [0] allcost = 0 for i in range(len(A) - 1): allcost += abs(A[i+1] - A[i]) print(allcost) for i in range(1, N+1): old = abs(A[i+1] - A[i]) + abs(A[i] - A[i-1]) new = abs(A[i+1] - A[i-1]) print(allcost - old + new)
s934139632
Accepted
228
14,048
285
N = int(input()) A = [int(i) for i in input().split()] A = [0] + A + [0] allcost = 0 for i in range(len(A) - 1): allcost += abs(A[i+1] - A[i]) for i in range(1, N+1): old = abs(A[i+1] - A[i]) + abs(A[i] - A[i-1]) new = abs(A[i+1] - A[i-1]) print(allcost - old + new)
s809485362
p03546
u691018832
2,000
262,144
Wrong Answer
767
17,392
521
Joisino the magical girl has decided to turn every single digit that exists on this world into 1. Rewriting a digit i with j (0≤i,j≤9) costs c_{i,j} MP (Magic Points). She is now standing before a wall. The wall is divided into HW squares in H rows and W columns, and at least one square contains a digit between 0 and...
import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines sys.setrecursionlimit(10 ** 7) from scipy.sparse import csr_matrix from scipy.sparse.csgraph import floyd_warshall h, w = map(int, readline().split()) memo_graph = [list(map(int, readline().split())) fo...
s119663421
Accepted
204
13,760
526
import sys read = sys.stdin.buffer.read readline = sys.stdin.buffer.readline readlines = sys.stdin.buffer.readlines sys.setrecursionlimit(10 ** 7) from scipy.sparse import csr_matrix from scipy.sparse.csgraph import floyd_warshall h, w = map(int, readline().split()) memo_graph = [list(map(int, readline().split())) fo...
s576780771
p03129
u197078193
2,000
1,048,576
Wrong Answer
17
2,940
84
Determine if we can choose K different integers between 1 and N (inclusive) so that no two of them differ by 1.
N,K = map(int,input().split()) if 2*K-1 <= N: print('Yes') else: print('No')
s179764460
Accepted
17
2,940
84
N,K = map(int,input().split()) if 2*K-1 <= N: print('YES') else: print('NO')
s180867606
p03387
u438662618
2,000
262,144
Wrong Answer
17
3,064
206
You are given three integers A, B and C. Find the minimum number of operations required to make A, B and C all equal by repeatedly performing the following two kinds of operations in any order: * Choose two among A, B and C, then increase both by 1. * Choose one among A, B and C, then increase it by 2. It can be ...
A, B, C = map(int, sorted(list(map(int, input().split())))) print(A, B, C) count = 0 A += C - B count += C - B count += (C - A) / 2 count = int(count) if (C - A) % 2 != 0 : count += 2 print(count)
s615650962
Accepted
18
3,060
191
A, B, C = map(int, sorted(list(map(int, input().split())))) count = 0 A += C - B count += C - B count += (C - A) / 2 count = int(count) if (C - A) % 2 != 0 : count += 2 print(count)
s529914353
p02243
u150984829
1,000
131,072
Wrong Answer
20
5,680
388
For a given weighted graph $G = (V, E)$, find the shortest path from a source to each vertex. For each vertex $u$, print the total weight of edges on the shortest path from vertex $0$ to $u$.
from heapq import* n=int(input()) A=[[]for _ in[0]*n] for _ in[0]*n: e=list(map(int,input().split())) for i in range(e[1]):k=2*-~i;A[e[0]]+=[(e[k],e[k+1])] H=[[0,0]] d=[0]+[1e6]*n c=[1]*n while H: f=heappop(H) print(f) u=f[1] c[u]=0 if d[u]>=f[0]: for s in A[u]: v=s[0] if c[v]and d[v]>d[u]+s[1]: d[v]...
s481579817
Accepted
340
40,088
324
from heapq import* def m(): n=int(input()) A=[] for _ in[0]*n: e=list(map(int,input().split())) A+=[zip(e[2::2],e[3::2])] d=[0]+[float('inf')]*n H=[(0,0)] while H: u=heappop(H)[1] for v,c in A[u]: t=d[u]+c if d[v]>t: d[v]=t heappush(H,(t,v)) print('\n'.join(f'{i} {d[i]}'for i in range(n))) ...
s519953892
p03476
u631277801
2,000
262,144
Time Limit Exceeded
2,104
4,180
1,131
We say that a odd number N is _similar to 2017_ when both N and (N+1)/2 are prime. You are given Q queries. In the i-th query, given two odd numbers l_i and r_i, find the number of odd numbers x similar to 2017 such that l_i ≤ x ≤ r_i.
import math as m def judge_prime(num): isPrime = [True]*(num+1) isPrime[0] = False isPrime[1] = False border = m.sqrt(num) i = 2 while i <= border: if isPrime[i]: j = i*2 while j <= num: isPrime[j] = False j += i i += 1 ...
s706217165
Accepted
280
8,660
1,465
import sys stdin = sys.stdin sys.setrecursionlimit(10**5) def li(): return map(int, stdin.readline().split()) def li_(): return map(lambda x: int(x)-1, stdin.readline().split()) def lf(): return map(float, stdin.readline().split()) def ls(): return stdin.readline().split() def ns(): return stdin.readline().rstrip(...
s183031469
p04045
u083960235
2,000
262,144
Wrong Answer
55
5,708
897
Iroha is very particular about numbers. There are K digits that she dislikes: D_1, D_2, ..., D_K. She is shopping, and now paying at the cashier. Her total is N yen (the currency of Japan), thus she has to hand at least N yen to the cashier (and possibly receive the change). However, as mentioned before, she is very ...
import sys, re, os from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians from itertools import permutations, combinations, product, accumulate from operator import itemgetter, mul from copy import deepcopy from string import ascii_lowercase, ascii_upper...
s532283126
Accepted
116
7,416
1,105
import sys, re, os from collections import deque, defaultdict, Counter from math import ceil, sqrt, hypot, factorial, pi, sin, cos, radians from itertools import permutations, combinations, product, accumulate from operator import itemgetter, mul from copy import deepcopy from string import ascii_lowercase, ascii_upper...
s283069022
p01140
u591052358
8,000
131,072
Wrong Answer
2,560
34,928
713
English text is not available in this practice contest. このたび新しい豪邸を建てることを決めた大富豪の品田氏は,どの街に新邸を建てようかと悩んでいる.実は,品田氏は正方形がとても好きという変わった人物であり,そのため少しでも正方形の多い街に住みたいと思っている. 品田氏は,碁盤目状に道路の整備された街の一覧を手に入れて,それぞれの街について,道路により形作られる正方形の個数を数えることにした.ところが,道と道の間隔は一定とは限らないため,手作業で正方形を数えるのは大変である.そこであなたには,碁盤目状の道路の情報が与えられたときに,正方形の個数を数えるプログラムを書いて欲し...
def solve(lis_height,lis_width): h=len(lis_height) w=len(lis_width) dic = {} for i in range(h): k=0 for j in range(i,h): k+=lis_height[j] if k in dic: dic[k]+=1 else: dic[k]=1 ans = 0 for i in range(w): k...
s168677939
Accepted
4,070
34,924
810
def solve(lis_height,lis_width): h=len(lis_height) w=len(lis_width) dic = {} for i in range(h): k=0 for j in range(i,h): k+=lis_height[j] if k in dic: dic[k]+=1 else: dic[k]=1 ans = 0 #print(dic) #print(w,'a'...
s390165789
p02936
u519968172
2,000
1,048,576
Wrong Answer
1,021
56,036
285
Given is a rooted tree with N vertices numbered 1 to N. The root is Vertex 1, and the i-th edge (1 \leq i \leq N - 1) connects Vertex a_i and b_i. Each of the vertices has a counter installed. Initially, the counters on all the vertices have the value 0. Now, the following Q operations will be performed: * Operati...
n,q=map(int,input().split()) d=[[0] for _ in range(n+1)] d1=[0 for _ in range(n+1)] for i in range(n-1): a,b=map(int,input().split()) d[a].append(b) for i in range(q): p,x=map(int,input().split()) d1[p]+=x for i in range(1,n+1): for m in d[i]: d1[m]+=d1[i] print(d1[1:])
s267625670
Accepted
1,508
231,212
448
import sys sys.setrecursionlimit(1000000) n,q=map(int,input().split()) d=[[0] for _ in range(n+1)] d1=[0 for _ in range(n+1)] for i in range(n-1): a,b=map(int,input().split()) d[a].append(b) d[b].append(a) for i in range(q): p,x=map(int,input().split()) d1[p]+=x vi=[-1 for _ in range(n+1)] def dfs(x,i):...
s280310508
p04030
u518042385
2,000
262,144
Wrong Answer
17
2,940
173
Sig has built his own keyboard. Designed for ultimate simplicity, this keyboard only has 3 keys on it: the `0` key, the `1` key and the backspace key. To begin with, he is using a plain text editor with this keyboard. This editor always displays one string (possibly empty). Just after the editor is launched, this stri...
list=list(input()) word="" for i in list: if i=="0": word+=i elif i=="1": word+=i else: if word=="": pass else: del list[-1] print(word)
s220089485
Accepted
17
2,940
198
list=list(input()) words=[] word="" for i in list: if i=="0" or i=="1": words.append(i) else: if words==[]: pass else: del words[-1] for i in words: word+=i print(word)
s006050554
p03470
u688375653
2,000
262,144
Wrong Answer
17
2,940
94
An _X -layered kagami mochi_ (X ≥ 1) is a pile of X round mochi (rice cake) stacked vertically where each mochi (except the bottom one) has a smaller diameter than that of the mochi directly below it. For example, if you stack three mochi with diameters of 10, 8 and 6 centimeters from bottom to top in this order, you h...
s=input() s=int(s) input_data = [int(input()) for _ in range(s)] print(len(list(input_data)))
s273620436
Accepted
17
2,940
88
s=input() s=int(s) input_data = [input() for _ in range(s)] print(len(set(input_data)))
s522412556
p03371
u918373199
2,000
262,144
Wrong Answer
2,104
3,064
404
"Pizza At", a fast food chain, offers three kinds of pizza: "A-pizza", "B-pizza" and "AB-pizza". A-pizza and B-pizza are completely different pizzas, and AB-pizza is one half of A-pizza and one half of B-pizza combined together. The prices of one A-pizza, B-pizza and AB-pizza are A yen, B yen and C yen (yen is the curr...
A, B, C, X, Y = map(int, input().split()) sum = 0 min_num = 10**10 num = [0]*3 if min(A/2, B/2) > C: print(C*Y*2) exit() for c in range(min(X, Y)+1): sum += C*c*2 num[0] = c*2 for a in range(X-c): sum += A num[1] = a for b in range(Y-c): sum += B num[2] = b if...
s580440529
Accepted
168
3,064
302
A, B, C, X, Y = map(int, input().split()) sum = 0 min_num = 10**10 num = [0]*3 for c in range(max(X, Y)+1): sum += C*c*2 num[0] = c*2 sum += A*max(0,X-c) + B*max(0, Y-c) num[1] = max(0, X-c) num[2] = max(0, Y-c) if min_num > sum: min_num = sum sum = 0 print(min_num)
s444084594
p03860
u976225138
2,000
262,144
Wrong Answer
17
2,940
29
Snuke is going to open a contest named "AtCoder s Contest". Here, s is a string of length 1 or greater, where the first character is an uppercase English letter, and the second and subsequent characters are lowercase English letters. Snuke has decided to abbreviate the name of the contest as "AxC". Here, x is the uppe...
print("A" + input()[0] + "C")
s659157257
Accepted
17
2,940
51
print("".join(map(lambda x:x[0], input().split())))
s689387982
p03751
u729707098
1,000
262,144
Wrong Answer
48
4,848
262
Mr.X, who the handle name is T, looked at the list which written N handle names, S_1, S_2, ..., S_N. But he couldn't see some parts of the list. Invisible part is denoted `?`. Please calculate all possible index of the handle name of Mr.X when you sort N+1 handle names (S_1, S_2, ..., S_N and T) in lexicographic...
n = int(input()) a,z = [],[] for _ in range(n): s = input() a.append(s.replace("?","a")) z.append(s.replace("?","z")) t = input() a.append(t) z.append(t) a,z = sorted(a)[::-1],sorted(z) r,l = n+1-a.index(t),z.index(t)+1 for i in range(l,r+1): print(i,end=" ")
s214104259
Accepted
49
4,720
269
n = int(input()) a,z = [],[] for _ in range(n): s = input() a.append(s.replace("?","a")) z.append(s.replace("?","z")) t = input() a.append(t) z.append(t) a,z = sorted(a)[::-1],sorted(z) r,l = n+1-a.index(t),z.index(t)+1 for i in range(l,r): print(i,end=" ") print(r)
s829263556
p02390
u517275798
1,000
131,072
Wrong Answer
20
5,588
78
Write a program which reads an integer $S$ [second] and converts it to $h:m:s$ where $h$, $m$, $s$ denote hours, minutes (less than 60) and seconds (less than 60) respectively.
S = int(input()) h = S/3600 m = S/60 s = S print(h, ':', m, ':', s, sep='')
s658064969
Accepted
20
5,584
94
S = int(input()) h = S // 3600 m = S // 60 % 60 s = S % 60 print(h, ':', m, ':', s, sep='')
s310278110
p03469
u319612498
2,000
262,144
Wrong Answer
17
2,940
39
On some day in January 2018, Takaki is writing a document. The document has a column where the current date is written in `yyyy/mm/dd` format. For example, January 23, 2018 should be written as `2018/01/23`. After finishing the document, she noticed that she had mistakenly wrote `2017` at the beginning of the date col...
s=input() s.replace("7","8",1) print(s)
s110156838
Accepted
17
2,940
38
s=input() print(s.replace("7","8",1))
s611811875
p02422
u391228754
1,000
131,072
Wrong Answer
30
7,668
283
Write a program which performs a sequence of commands to a given string $str$. The command is one of: * print a b: print from the a-th character to the b-th character of $str$ * reverse a b: reverse from the a-th character to the b-th character of $str$ * replace a b p: replace from the a-th character to the b-t...
s = input() n = int(input()) for i in range(n): p = input().split() a, b = [int(x) for x in p[1:3]] if p[0]=="print": print(s[a:b+1]) if p[0]=="replace": s = s[:a] + p[3] + s[b+1:] if p[0]=="reverse": s = s[:a] + s[a:b+1:-1] + s[b+1:]
s695407125
Accepted
30
7,716
287
s = input() n = int(input()) for i in range(n): p = input().split() a, b = [int(x) for x in p[1:3]] if p[0]=="print": print(s[a:b+1]) elif p[0]=="replace": s = s[:a] + p[3] + s[b+1:] elif p[0]=="reverse": s = s[:a] + s[a:b+1][::-1] + s[b+1:]
s319468063
p03584
u223904637
2,000
262,144
Wrong Answer
1,257
29,428
396
_Seisu-ya_ , a store specializing in non-negative integers, sells N non- negative integers. The i-th integer is A_i and has a _utility_ of B_i. There may be multiple equal integers with different utilities. Takahashi will buy some integers in this store. He can buy a combination of integers whose _bitwise OR_ is less ...
n,k=map(int,input().split()) l=[] for i in range(n): l.append(list(map(int,input().split()))) ans=0 for i in range(n): if k|l[i][0]==k: ans+=l[i][1] t=0 for i in range(30): if (1<<29-i)|k: t+=2**(29-i) p=t-1 kai=0 for i in range(n): if p|l[i][0]==p: ...
s430406916
Accepted
1,128
29,428
395
n,k=map(int,input().split()) l=[] for i in range(n): l.append(list(map(int,input().split()))) ans=0 for i in range(n): if k|l[i][0]==k: ans+=l[i][1] t=0 for i in range(30): if (1<<29-i)&k: t+=2**(29-i) p=t-1 kai=0 for i in range(n): if p|l[i][0]==p: ...
s220072833
p02477
u861198832
2,000
262,144
Wrong Answer
20
5,580
83
Given two integers $A$ and $B$, compute the product, $A \times B$.
a,b = map(int,input().split()) c = abs(a) // abs(b) print(-c if a * b < 0 else c)
s846711537
Accepted
2,350
6,972
42
a,b = map(int,input().split()) print(a*b)
s777287740
p03493
u197968862
2,000
262,144
Wrong Answer
17
2,940
52
Snuke has a grid consisting of three squares numbered 1, 2 and 3. In each square, either `0` or `1` is written. The number written in Square i is s_i. Snuke will place a marble on each square that says `1`. Find the number of squares on which Snuke will place a marble.
s = list(map(int,input().split())) print(s.count(1))
s367811373
Accepted
17
2,940
36
s = str(input()) print(s.count('1'))
s768431826
p03409
u347640436
2,000
262,144
Wrong Answer
20
3,064
453
On a two-dimensional plane, there are N red points and N blue points. The coordinates of the i-th red point are (a_i, b_i), and the coordinates of the i-th blue point are (c_i, d_i). A red point and a blue point can form a _friendly pair_ when, the x-coordinate of the red point is smaller than that of the blue point, ...
n = int(input()) a = [list(map(int, input().split())) for _ in range(n)] b = [list(map(int, input().split())) for _ in range(n)] used = [False] * n a.sort(key = lambda x: x[0], reverse=True) b.sort(key = lambda x: x[0], reverse=True) result = 0 for i in range(n): for j in range(n): if used[j]: continue ...
s749443043
Accepted
20
3,064
528
n = int(input()) a = [list(map(int, input().split())) for _ in range(n)] b = [list(map(int, input().split())) for _ in range(n)] used = [False] * n a.sort(key = lambda x: x[0], reverse = True) b.sort(key = lambda x: x[0], reverse = True) result = 0 for i in range(n): pj = -1 miny = float('inf') for j in range(n):...
s467934885
p03597
u790816087
2,000
262,144
Wrong Answer
25
9,088
56
We have an N \times N square grid. We will paint each square in the grid either black or white. If we paint exactly A squares white, how many squares will be painted black?
N, A = [int(input()) for i in range(2)] print(N ^ 2 - A)
s077571882
Accepted
23
9,100
60
N, A = [int(input()) for i in range(2)] print(pow(N, 2) - A)
s899117090
p03575
u497285470
2,000
262,144
Wrong Answer
22
3,064
971
You are given an undirected connected graph with N vertices and M edges that does not contain self-loops and double edges. The i-th edge (1 \leq i \leq M) connects Vertex a_i and Vertex b_i. An edge whose removal disconnects the graph is called a _bridge_. Find the number of the edges that are bridges among the M ...
inputs = input().split() N = int(inputs[0]) M = int(inputs[1]) grid_list = [[] for x in range(N)] input_edge = [] diff = 0 for i in range(N): diff += i for M in range(M): inputs = input().split() a = int(inputs[0]) b = int(inputs[1]) input_edge.append([a-1, b-1]) grid_list[a - 1].append(b-1) ...
s506618002
Accepted
29
3,064
927
inputs = input().split() N = int(inputs[0]) M = int(inputs[1]) grid_list = [[] for x in range(N)] input_edge = [] diff = 0 for i in range(N): diff += i for M in range(M): inputs = input().split() a = int(inputs[0]) b = int(inputs[1]) input_edge.append([a-1, b-1]) grid_list[a - 1].append(b-1) ...
s803857495
p03574
u064408584
2,000
262,144
Wrong Answer
462
12,580
353
You are given an H × W grid. The squares in the grid are described by H strings, S_1,...,S_H. The j-th character in the string S_i corresponds to the square at the i-th row from the top and j-th column from the left (1 \leq i \leq H,1 \leq j \leq W). `.` stands for an empty square, and `#` stands for a square con...
import numpy as np h,w=map(int, input().split()) a=[list(input()) for i in range(h)] a=np.array(a) for i in range(h): for j in range(w): if a[i][j]=='.': print(a[max(i-1,0):min(i+2,w-1),max(j-1,0):min(j+2,w-1)]) a[i][j]=a[a[max(i-1,0):min(i+2,w-2),max(j-1,0):min(j+2,w-2)]=='#'].size ...
s863297420
Accepted
285
12,468
302
import numpy as np h,w=map(int, input().split()) a=[list(input()) for i in range(h)] a=np.array(a) for i in range(h): for j in range(w): if a[i][j]=='.': b=a[max(i-1,0):min(i+2,h),max(j-1,0):min(j+2,w)].flatten() a[i][j]=sum(b=='#') for i in a: print(''.join(i))
s949479956
p03478
u305534505
2,000
262,144
Wrong Answer
32
3,060
364
Find the sum of the integers between 1 and N (inclusive), whose sum of digits written in base 10 is between A and B (inclusive).
def main(): num = list(map(int, input().split())) total_sum = 0 print(num[0]) for i in range(1,num[0]+1): current = i current_sum=0 while i >= 1: current_sum += i %10 i /=10 if ((current_sum >= num[1]) and (current_sum <= num[2])): tota...
s714890935
Accepted
28
3,060
354
def main(): num = list(map(int, input().split())) total_sum = 0 for i in range(1,num[0]+1): current = i current_sum=0 while i >=1: current_sum += int( i %10) i = i//10 if ((current_sum >= num[1]) and (current_sum <= num[2])): total_sum += c...
s983207009
p00005
u234052535
1,000
131,072
Time Limit Exceeded
40,000
7,700
514
Write a program which computes the greatest common divisor (GCD) and the least common multiple (LCM) of given a and b.
# This program computes GCD and LCM # -*- coding: utf-8 import sys def gcd(a, b): g = 1 for i in range(1, max([a, b])): if(a % i == 0 and b % i == 0): g = i return g def lcm(a, b): for i in range(max([a, b]), a*b + 1): if(i % a == 0 and i % b == 0): return i ...
s919354997
Accepted
20
7,644
334
# This program computes GCD and LCM # -*- coding: utf-8 import sys def gcd(a, b): while b != 0: a, b = b, a % b return a for i in sys.stdin: try: line = [int(k) for k in i.split(" ")] g = gcd(min(line), max(line)) print(str(g) + " " + str(line[0]*line[1]//g)) except: ...
s731907994
p03359
u359007262
2,000
262,144
Wrong Answer
26
9,096
102
In AtCoder Kingdom, Gregorian calendar is used, and dates are written in the "year-month-day" order, or the "month-day" order without the year. For example, May 3, 2018 is written as 2018-5-3, or 5-3 without the year. In this country, a date is called _Takahashi_ when the month and the day are equal as numbers. For ...
def resolve(): a, b = map(int, input().split()) if a > b: c = a-1 else: c = a print(c)
s644255260
Accepted
31
9,160
115
def resolve(): a, b = map(int, input().split()) if a <= b: c = a else: c = a - 1 print(c) resolve()
s178825941
p03338
u316233444
2,000
1,048,576
Wrong Answer
18
3,060
177
You are given a string S of length N consisting of lowercase English letters. We will cut this string at one position into two strings X and Y. Here, we would like to maximize the number of different letters contained in both X and Y. Find the largest possible number of different letters contained in both X and Y when ...
N = int(input()) S = list(input()) ans = 0 for i in range(N): A = S[:i] B = S[i:] C = list(set(A) & set(B)) print(C) c = len(C) if c > ans: ans += 1 print(ans)
s043704638
Accepted
18
3,060
178
N = int(input()) S = list(input()) ans = 0 for i in range(N): A = S[:i] B = S[i:] C = list(set(A) & set(B)) #print(C) c = len(C) if c > ans: ans += 1 print(ans)
s790528091
p03455
u086051538
2,000
262,144
Wrong Answer
17
2,940
79
AtCoDeer the deer found two positive integers, a and b. Determine whether the product of a and b is even or odd.
a,b=map(int,input().split()) if a*b%2==0: print("even") else: print("odd")
s710567628
Accepted
17
2,940
79
a,b=map(int,input().split()) if a*b%2==0: print("Even") else: print("Odd")
s346427819
p03477
u531214632
2,000
262,144
Wrong Answer
17
3,060
148
A balance scale tips to the left if L>R, where L is the total weight of the masses on the left pan and R is the total weight of the masses on the right pan. Similarly, it balances if L=R, and tips to the right if L<R. Takahashi placed a mass of weight A and a mass of weight B on the left pan of a balance scale, and pl...
a,b,c,d=map(int,input().split()) right = a+b left = c+d if(right<left): print("Left") elif(left<right): print("Right") else: print("Balanced")
s375843633
Accepted
17
2,940
149
a,b,c,d=map(int,input().split()) right = a+b left = c+d if(right>left): print("Left") elif(right<left): print("Right") else: print("Balanced")
s433753081
p02396
u022579771
1,000
131,072
Wrong Answer
20
7,332
84
In the online judge system, a judge file may include multiple datasets to check whether the submitted program outputs a correct answer for each test case. This task is to practice solving a problem with multiple datasets. Write a program which reads an integer x and print it as is. Note that multiple datasets are give...
in_str = input() for var in range(1,3): print("Case" + str(var) + ": " + in_str)
s928824149
Accepted
60
7,472
153
import sys count = 1 while True: x = sys.stdin.readline().strip() if x == '0': break print("Case %d: %s" % (count, x)) count += 1
s278429483
p02697
u480264129
2,000
1,048,576
Wrong Answer
79
9,276
82
You are going to hold a competition of one-to-one game called AtCoder Janken. _(Janken is the Japanese name for Rock-paper-scissors.)_ N players will participate in this competition, and they are given distinct integers from 1 through N. The arena has M playing fields for two players. You need to assign each playing fi...
n,m=map(int,input().split()) l,r=1,n for i in range(m): print(l,r) l+=1 r-=1
s946738524
Accepted
79
9,208
187
n,m=map(int,input().split()) l1,r2=1,2*m+1 if m%2: r1=m else: r1=m+1 l2=r1+1 for i in range(m//2): print(l1,r1) print(l2,r2) l1+=1 l2+=1 r1-=1 r2-=1 if m%2: print(l2,r2)
s205856079
p03485
u382639013
2,000
262,144
Wrong Answer
29
9,140
70
You are given two positive integers a and b. Let x be the average of a and b. Print x rounded up to the nearest integer.
a, b = list(map(int, input().split())) import math math.ceil((a+b)/2)
s109672121
Accepted
23
8,996
77
a, b = list(map(int, input().split())) import math print(math.ceil((a+b)/2))
s584855495
p02842
u276115223
2,000
1,048,576
Wrong Answer
29
9,116
277
Takahashi bought a piece of apple pie at ABC Confiserie. According to his memory, he paid N yen (the currency of Japan) for it. The consumption tax rate for foods in this shop is 8 percent. That is, to buy an apple pie priced at X yen before tax, you have to pay X \times 1.08 yen (rounded down to the nearest integer)....
N = int(input()) X = int(N / 1.08) X_min = int(X * 1.08) X_max = int((X + 1) * 1.08) print(X, X_min, X_max) if X_min == N: print(X) elif X_max == N: print(X + 1) else: print(':(')
s552932971
Accepted
25
9,176
253
N = int(input()) X = int(N / 1.08) X_min = int(X * 1.08) X_max = int((X + 1) * 1.08) if X_min == N: print(X) elif X_max == N: print(X + 1) else: print(':(')
s081689972
p03545
u532966492
2,000
262,144
Wrong Answer
17
3,060
175
Sitting in a station waiting room, Joisino is gazing at her train ticket. The ticket is numbered with four digits A, B, C and D in this order, each between 0 and 9 (inclusive). In the formula A op1 B op2 C op3 D = 7, replace each of the symbols op1, op2 and op3 with `+` or `-` so that the formula holds. The given in...
N=input() for i in range(8): S = ([["+","-"][(i>>j)&1] for j in range(3)]) seq=N[0]+S[0]+N[1]+S[1]+N[2]+S[2]+N[3] if eval(seq)==7: print(seq) break
s525188746
Accepted
17
3,064
626
a=input() flag=False for i in ["+","-"]: for j in ["+","-"]: for k in ["+","-"]: cnt=int(a[0]) if i=="+": cnt+=int(a[1]) else: cnt-=int(a[1]) if j=="+": cnt+=int(a[2]) else: cnt-=int(a...
s874280746
p03624
u633548583
2,000
262,144
Wrong Answer
17
3,188
203
You are given a string S consisting of lowercase English letters. Find the lexicographically (alphabetically) smallest lowercase English letter that does not occur in S. If every lowercase English letter occurs in S, print `None` instead.
s=input().split() a='abcdefghijklmnopqrstuvwxyz' a_li=a.split() s_set=set(s) a_set=set(a_li) if s_set==a_set: print('None') else: result=list(a_set-s_set) result.sort() print(result[0])
s443247459
Accepted
20
3,956
199
s=list(input()) a='abcdefghijklmnopqrstuvwxyz' a_li=list(a) s_set=set(s) a_set=set(a_li) if s_set==a_set: print('None') else: result=list(a_set-s_set) result.sort() print(result[0])
s428925489
p02613
u948875995
2,000
1,048,576
Wrong Answer
153
16,180
227
Takahashi is participating in a programming contest called AXC002, and he has just submitted his code to Problem A. The problem has N test cases. For each test case i (1\leq i \leq N), you are given a string S_i representing the verdict for that test case. Find the numbers of test cases for which the verdict is `AC`,...
a = [] N = int(input()) for i in range(N): s = input() a.append(s) print("AC x{}".format(a.count("AC"))) print("TLE x{}".format(a.count("TLE"))) print("WA x{}".format(a.count("WA"))) print("RE x{}".format(a.count("RE")))
s625741764
Accepted
159
16,300
231
a = [] N = int(input()) for i in range(N): s = input() a.append(s) print("AC x {}".format(a.count("AC"))) print("WA x {}".format(a.count("WA"))) print("TLE x {}".format(a.count("TLE"))) print("RE x {}".format(a.count("RE")))
s681696918
p04043
u430414424
2,000
262,144
Wrong Answer
17
2,940
126
Iroha loves _Haiku_. Haiku is a short form of Japanese poetry. A Haiku consists of three phrases with 5, 7 and 5 syllables, in this order. To create a Haiku, Iroha has come up with three different phrases. These phrases have A, B and C syllables, respectively. Determine whether she can construct a Haiku by using each ...
s = sorted(list(map(int, input().split()))) if s[0] == 5 and s[1] == 5 and s[2] == 7: print("Yes") else: print("No")
s286778246
Accepted
17
2,940
125
s = sorted(list(map(int, input().split()))) if s[0] == 5 and s[1] == 5 and s[2] == 7: print("YES") else: print("NO")
s190119454
p03433
u713368238
2,000
262,144
Wrong Answer
17
2,940
119
E869120 has A 1-yen coins and infinitely many 500-yen coins. Determine if he can pay exactly N yen using only these coins.
n = int(input()) a = int(input()) print(n-500*(n//500)) if n-500*(n//500) <= a: print('Yes') else: print('No')
s732770261
Accepted
17
2,940
97
n = int(input()) a = int(input()) if n-500*(n//500) <= a: print('Yes') else: print('No')
s182954715
p03679
u102960641
2,000
262,144
Wrong Answer
17
2,940
93
Takahashi has a strong stomach. He never gets a stomachache from eating something whose "best-by" date is at most X days earlier. He gets a stomachache if the "best-by" date of the food is X+1 or more days earlier, though. Other than that, he finds the food delicious if he eats it not later than the "best-by" date. Ot...
x,a,b = map(int, input().split()) if b-a > x: print("dangerous") else: print("delicious")
s742535679
Accepted
17
2,940
125
x,a,b = map(int, input().split()) if b-a <= 0: print("delicious") elif b-a > x: print("dangerous") else: print("safe")
s157422183
p03160
u762540523
2,000
1,048,576
Wrong Answer
104
13,928
300
There are N stones, numbered 1, 2, \ldots, N. For each i (1 \leq i \leq N), the height of Stone i is h_i. There is a frog who is initially on Stone 1. He will repeat the following action some number of times to reach Stone N: * If the frog is currently on Stone i, jump to Stone i + 1 or Stone i + 2. Here, a cost of...
def main(): n = int(input()) h = list(map(int, input().split())) dp = [0] * n dp[0] = 0 dp[1] = abs(h[1] - h[0]) for i in range(2, n): dp[i] = max(dp[0] + abs(h[i] - h[i - 2]), dp[1] + abs(h[i] - h[i - 1])) print(dp[n - 1]) if __name__ == '__main__': main()
s583301357
Accepted
107
13,928
328
def main(): n = int(input()) h = list(map(int, input().split())) dp = [0] * n dp[0] = 0 dp[1] = abs(h[1] - h[0]) for i in range(2, n): dp[i] = min(dp[i - 2] + abs(h[i] - h[i - 2]), dp[i - 1] + abs(h[i] - h[i - 1])) print(dp[n - 1]) if __name__ == '__main__': ...