problem_id
stringclasses
428 values
submission_id
stringlengths
10
10
status
stringclasses
2 values
code
stringlengths
5
816
p04034
s190301483
Accepted
#!/usr/bin/env python # coding: utf-8 # In[27]: N,M = map(int, input().split()) xy = [] b = [1]*N p = [False]*N p[0] = True for _ in range(M): x,y = map(int, input().split()) b[x-1] -= 1 b[y-1] += 1 if p[x-1]: p[y-1] = True if b[x-1] == 0: p[x-1] = False # In[28]: ans = 0 for j in p: if j: ans += 1 print(ans) # In[ ]:
p02602
s082860685
Wrong Answer
l = list(map(int,input().split())) n, k = l[0], l[1] a = list(map(int,input().split())) for i in range(k, n): if a[i] > a[i-3]: print('Yes') else: print('No')
p02819
s048534139
Wrong Answer
x = int(input()) for val in range(x, x**2) : if ((2** val) % val) == 2 : print (val) break else : continue
p04020
s464798876
Wrong Answer
n = int(input()) a = [int(input()) for i in range(n)] num = 0 s = 0 for h in a: if s == 0: num += h//2 s = h%2 else: if h == 0: s = 0 else: num += 1 + (h-1)//2 s = (h-2)%2 print(num)
p02608
s632214915
Wrong Answer
n=int(input()) from math import floor,sqrt sqset=set() for i in range(1,101): sqset.add(i**2) def func(m): r=0 for x in range(1,floor(sqrt(m))+1): for y in range(1,floor(sqrt(m))+1): a=x+y b=x**2+y**2+x*y-m d=a**2-4*b if d in sqset: if (sqrt(d)-a)>0 and (sqrt(d)-a)%2==0: r+=1 return r for i in range(1,n+1): print(func(i))
p03011
s848570900
Accepted
A,B,C=map(int,input().split()) print(min(A+B,B+C,C+A))
p03785
s612918732
Accepted
N,C,K = map(int, input().split()) T = [int(input()) for _ in range(N)] T.sort() if C == 1: print(N) exit() ans = 1 time = -1 for i,t in enumerate(T): if time < 0: cnt, time = 1, t + K elif t <= time: cnt += 1 else: ans += 1 cnt, time = 1, t + K if cnt == C: time = -1 ans += 1 print(ans)
p03286
s147806191
Accepted
n = int(input()) ans = "" if n == 0: print(0) exit(0) while n != 0: if n%(-2) == -1: ans += "1" else: ans += "0" n //= 2 n *= -1 print(ans[::-1])
p02743
s871791533
Accepted
a, b, c = map(int, input().split()) T = c - a - b if T < 0: print('No') elif T**2 > 4 * a * b: print('Yes') else: print('No')
p03761
s532305381
Accepted
n = int(input()) s = [] alp='abcdefghijklmnopqrstuvwxyz' con = [] for i in range(n): s =input() for j in range(26): con.append(s.count(alp[j])) ans = '' for i in range(26): num = [] for j in range(n): num.append(int(con[i+j*26])) ans += alp[i] * min(num) print(ans)
p03633
s445380066
Wrong Answer
from fractions import gcd N = int(input()) T = [int(input()) for _ in range(N)] r = T[0] for i in range(1, N): r = gcd(r, T[i]) R = [t // r for t in T] R.sort(reverse=True) ans = r for i in range(N): if ans % R[i] != 0: ans *= R[i] print(ans)
p03095
s567798592
Accepted
#AGC031 A Colorful Subsequence # Answer N = int(input()) S = input() alpha = [0]*26 mod = 10**9+7 for n in S: num = ord(n)-97 alpha[num] += 1 ans = 1 for i in range(26): ans *= (alpha[i]+1) ans %= mod print(ans-1)
p02547
s513205569
Accepted
n=int(input()) c=0 for i in range(n): a,b=map(int, input().split()) if a==b: c+=1 if c==3: print("Yes") exit() else: c=0 print("No")
p03407
s169046662
Accepted
A,B,C=map(int,input().split()) if A+B<C: print("No") else: print("Yes")
p02772
s007701196
Wrong Answer
n = input() m = input().split() judge = "" for i, e in enumerate(m): if int(e)%2 == 0: if int(e)%3==0 or int(e)%5==0: judge = "APPROVED" else: judge = "DENIED" break print(judge)
p02753
s582924672
Accepted
s=input() if s[0]==s[1]==s[2]: print("No") else: print("Yes")
p02880
s161376853
Accepted
n = int(input()) for i in range(1, 10): for j in range(1, 10): if i*j == n: print("Yes") exit() print("No")
p02859
s598228102
Wrong Answer
r = int(input()) print(int(r**2 * 3.14 / 1**2 * 3.14))
p02768
s347970743
Wrong Answer
n,a,b=map(int,input().split()) ans=2**n-1 x=1 y=1 i=0 while a: i+=1 x*=(n-i+1) y*=i a=a-1 ans1=x/y x=1 y=1 i=0 while b: i+=1 x*=(n-i+1) y*=i b=b-1 ans2=x/y ans=ans-ans1-ans2 ans%=100000007 print(ans)
p02723
s536445949
Accepted
a = input() if a[2] == a[3] and a[4] == a[5]: print("Yes") else: print("No")
p02546
s089739637
Accepted
s=input() if s[-1]=="s": print(s+"es") else : print(s+"s")
p03761
s532081970
Wrong Answer
n = int(input()) ss = [] for i in range(n): s = list(input()) s.sort() ss.append(s) ans = [] ans = ss[0] for i in range(n): for j in ans: if ss[i].count(j) < ans.count(j): ans.remove(j) for i in range(n): for j in ans: if ss[i].count(j) < ans.count(j): ans.remove(j) print(" ".join(ans))
p03607
s700098493
Accepted
from collections import Counter N = int(input()) a = [int(input()) for i in range(N)] c = Counter(a) #εΆζ•°ε›žθ‘¨γ‚Œγ¦γ„γ‚Œγ°ζΆˆγˆγ¦γ„γ‚‹γ€ε₯‡ζ•°ε›žγ§γ‚γ‚Œγ°η΄™γ«ζŽ›γ‹γ‚Œγ¦γ„γ‚‹ηŠΆζ…‹ ans = 0 for n, count in c.items(): if count % 2 == 1: ans += 1 print(ans)
p03438
s071738878
Accepted
N = int(input()) A = list(map(int,input().split())) B = list(map(int,input().split())) x = 0 y = 0 for i in range(N): if A[i]>B[i]: x += A[i]-B[i] else: y += (B[i]-A[i])//2 if y>=x: print("Yes") else: print("No")
p02711
s832036145
Accepted
s = str(input()) n = len(s) cnt = 0 for i in range(n): if s[i] == '7': cnt = 1 break if cnt == 1: print("Yes") else: print("No")
p03773
s571281513
Accepted
a, b = map(int, input().split()) c = a + b if c >= 24: print(c - 24) else: print(c)
p02879
s708811913
Wrong Answer
A,B = map(int,input().split()) if 1<= A*B <= 81: print(A*B) else: print(-1)
p03289
s944747776
Wrong Answer
print("AC")
p03557
s546470082
Wrong Answer
import bisect N = int(input()) A = list(map(int,input().split())) B = list(map(int,input().split())) C = list(map(int,input().split())) count = 0 for i in range(N): b = B[i] cind = bisect.bisect_left(C,b) aind = bisect.bisect_right(A,b) count+=(N-cind)*aind print(count)
p02897
s190808412
Accepted
n = int(input()) b = range(1, n) a = b[::2] print(1 - (len(a) / n))
p03239
s066587936
Wrong Answer
n, t = map(int, input().split()) max_cost = 10 ** 9 for _ in range(n): c, tt = map(int, input().split()) if tt <= t: max_cost = max(max_cost, c) print(max_cost)
p03711
s223659975
Accepted
a = [1, 3, 5, 7, 8, 10, 12] b = [4, 6, 9, 11] x, y = map(int, input().split()) if x in a and y in a: print("Yes") elif x in b and y in b: print("Yes") else: print("No")
p03103
s347466515
Wrong Answer
N, M = map(int, input().split()) dic_1 = dict() for i in range(N): a, b = map(int, input().split()) dic_1[a] = b dic_2 = sorted(dic_1.items()) cost = 0 cnt = 0 flg = False for key, value in dic_2: for i in range(value): cost += key cnt += 1 if cnt == M: flg = True break if flg: break print(cost)
p02842
s307723004
Accepted
N = int(input()) for x in range(N+1): if int(x*1.08) == N: print(x) break else: print(':(')
p02712
s445951926
Accepted
def main(): count = 0 for i in range(1,int(input())+1): if i % 3 == 0: continue if i % 5 == 0: continue count += i return count print(main())
p03721
s346705351
Accepted
def main(): from heapq import heappush, heappop import sys input = sys.stdin.readline N, K = map(int, input().split()) h = [] for _ in range(N): a, b = map(int, input().split()) heappush(h, (a, b)) while h: a, b = heappop(h) K -= b if K <= 0: print(a) return if __name__ == '__main__': main()
p02729
s896555300
Wrong Answer
N,M=map(int,input().split()) if N==1 and M==1: print(0) elif N == 1: print(M*(M-1)/2) elif M == 1: print(N*(N-1)/2) else: print(int((M*(M-1)+N*(N-1))/2))
p03471
s925607614
Wrong Answer
N,Y=map(int,input().split(' ')) for i in range(N+1): for j in range(N-i+1): if i*1000+j*5000+10000*(N-i-j) == Y: print(i,j,N-i-j) exit() print(-1,-1,-1)
p03759
s222211162
Wrong Answer
a,b,c=map(int,input().split()) if a-b==b-c: ans="Yes" else: ans="No" print(ans)
p03962
s792744934
Wrong Answer
a = input().split() set(a) print(len(a))
p03557
s435251659
Accepted
from bisect import bisect_right, bisect_left N=int(input()) a=list(map(int, input().split())) b=list(map(int, input().split())) c=list(map(int, input().split())) a.sort() c.sort() ans=0 for i in range(N): s=b[i] k=bisect_left(a,s)*(N-bisect_right(c,s)) ans+=k print(ans)
p02761
s634534896
Accepted
# -*- coding: utf-8 -*- # 157c n, m = map(int, input().split()) s = [] c = [] for _ in range(m): _s, _c = input().split() s.append(int(_s)) c.append(_c) ret = -1 for i in range(1000): x = str(i) if len(x) != n: continue isOk = True for _s, _c in zip(s, c): #if len(x) < _s or x[_s - 1] != _c: if x[_s - 1] != _c: isOk = False break if isOk: ret = i break print(ret)
p02726
s245509391
Accepted
n, x, y = map(int,input().split()) dist = [0] * n x -= 1 y -= 1 for i in range(n): for j in range(i+1, n): dist[min(j-i, abs(x-i)+abs(y-j)+1, abs(y-i)+abs(x-j)+1)] += 1 for d in dist[1:]: print(d)
p02779
s224935932
Wrong Answer
n = int(input()) a = list(map(int, input().split())) sa = set(a) print("Yes") if len(a) == len(sa) else print("No")
p03282
s700778236
Wrong Answer
S = input() N = int(input()) for i in S: if i != "1": print(i) quit() print(1)
p03592
s164742143
Accepted
N, M, K = map(int, input().split()) ans = "No" for i in range(N+1): for j in range(M+1): if i*(M-j) + j*(N-i) == K: ans = "Yes" break print(ans)
p04045
s462643375
Wrong Answer
n,k = map(int,input().split()) d = input().split() for i in range(n,10000): for j in range(k): for l in range(len(str(i))): if str(i)[l] == str(d)[j]: break else: continue break else: print(i) break
p02953
s003143533
Wrong Answer
n=(int)(input()) a=list(map(int, input().split(" "))) for i in range(len(a) - 1): if a[i] > a[i + 1] + 1: print("No") break else: print("Yes")
p02602
s870351076
Wrong Answer
n,k=map(int,input().split()) l=list(map(int,input().split())) for i in range(k,n): if l[i] > l[i-1]: print('Yes') else: print('No')
p02691
s632281990
Accepted
import collections N = int(input()) A = list(map(int, input().split())) ans = 0 p_list = [] m_list = [] for i in range(N): p_list.append(i + A[i]) m_list.append(i - A[i]) p_c = collections.Counter(p_list) m_c = collections.Counter(m_list) for i in range(N): ans += p_c[i - A[i]] ans += m_c[i + A[i]] print(ans//2)
p02546
s850473988
Accepted
S = list(input()) if S[len(S)-1] != 's': S.append('s') else: S.append('es') print(''.join(S))
p03137
s429034266
Accepted
n, m = map(int, input().split()) x = list(map(int, input().split())) x.sort() between = [x[i] - x[i-1] - 1 for i in range(1,m)] between.sort(reverse=True) print(max(0, (x[-1] - x[0] + 1) - sum(between[:n-1]) - n))
p03795
s173949917
Accepted
n=int(input()) print(800*n-(n//15)*200)
p03035
s636728575
Accepted
a,b = map(int, input().split()) if a >= 13: print(b) elif 6 <= a and a <= 12: print(b//2) else: print(0)
p03438
s579498514
Wrong Answer
N = int(input()) a = list(map(int, input().split())) b = list(map(int, input().split())) p, m = 0, 0 for i in range(N): if a[i]-b[i] > 0: p += a[i]-b[i] else: m += b[i]-a[i] if 2*p <= m: print('Yes') else: print('No')
p03695
s473795722
Accepted
#!/usr/bin/env python3 N = int(input()) A = [int(i) for i in input().split()] rate = [400,800,1200,1600,2000,2400,2800,3200] R = [False]*len(rate) red_plus = 0 for a in A: if a >= rate[-1]: red_plus += 1 else: for i,r in enumerate(rate): if a < r: R[i] = True break if R.count(True) == 0: print(1, R.count(True)+red_plus) else: print(R.count(True), R.count(True)+red_plus)
p02952
s440862368
Accepted
import sys str_N = input() N = int(str_N) if not ( 1 <= N <= 10**5 ): sys.exit() count = 0 for I in range(1,N+1): if len(str(I)) % 2 == 1: count += 1 print(count)
p03262
s380394824
Accepted
from functools import reduce from fractions import gcd n, x = map(int, input().split()) X = [abs(x-int(i)) for i in input().split()] print(reduce(gcd, X))
p03408
s832799009
Accepted
from collections import Counter bag = Counter() N = int(input()) word_s = [] word_t = [] for i in range(N): bag[input()] += 1 M = int(input()) for i in range(M): bag[input()] -= 1 max = sorted(bag.items(), key=lambda item: item[1], reverse=True)[0][1] if max > 0: print(max) else: print(0)
p03479
s600293188
Accepted
def solve(): ret = 1 cur_num = X while cur_num * 2 <= Y: cur_num *= 2 ret += 1 print(ret) if __name__ == "__main__": X, Y = map(int, input().split()) solve()
p03252
s038178316
Wrong Answer
import collections s=list(input()) t=list(input()) svalues, scounts = zip(*collections.Counter(s).most_common()) tvalues, tcounts = zip(*collections.Counter(t).most_common()) if len(set(s))==len(set(t)): if scounts==tcounts:print('Yes') else:print('No')
p02923
s371389840
Accepted
n = int(input()) h = list(map(int, input().split())) ans = 0 stp = 0 for i in range(1, n): if h[i] <= h[i-1]: stp += 1 ans = max(ans, stp) else: stp = 0 print(ans)
p02917
s601919823
Accepted
# Python3 (3.4.3) import sys input = sys.stdin.readline # ------------------------------------------------------------- # function # ------------------------------------------------------------- # ------------------------------------------------------------- # main # ------------------------------------------------------------- N = int(input()) B = list(map(int,input().split())) A = [0]*N A[0] = B[0] for i in range(N-1): A[i+1] = B[i] if A[i] > B[i]: A[i] = B[i] print(sum(A))
p02814
s138037361
Accepted
def GCD(x, y): if y == 0: return x return GCD(y, x % y) N, M = map(int, input().split()) A = list(map(int, input().split())) A = sorted(set(A)) check = set() for a in A: cnt = 0 while a % 2 == 0: cnt += 1 a //= 2 check.add(cnt) if len(check) > 1: print(0) exit() LCM = 1 for a in A: gcd = GCD(LCM, a // 2) LCM = LCM * (a // 2) // gcd ans = (M - LCM) // (2 * LCM) + 1 print(ans)
p02724
s725289569
Accepted
X = int(input()) a = X // 500 X %= 500 print(1000 * a + 5 * (X // 5))
p02982
s684039695
Wrong Answer
n,d=map(int,input().split()) l=[list(map(int,input().split())) for _ in range(n)] cnt=0 for i in range(n): for i2 in range(i+1,n): distance = 0 for j in range(d): distance+=(abs(l[i][j])-abs(l[i2][j]))**2 if (distance**0.5).is_integer(): cnt+=1 print(cnt)
p03419
s442477412
Accepted
n, m = map(int, input().split()) n, m = min(n, m), max(n, m) if n == 1 and m == 1: print(1) elif n == 1: print(m - 2) else: print((m - 2) * (n - 2))
p03487
s873140713
Accepted
import collections n = int(input()) a = list(map(int, input().split())) d = collections.Counter(a) ans = 0 for key, values in d.items(): if key < values: ans += values - key elif key > values: ans += values print(ans)
p02665
s048001605
Accepted
from sys import stdin N = int(stdin.readline().rstrip()) A = [int(x) for x in stdin.readline().rstrip().split()] max_node = [0] * (N+1) for i in range(N-1,-1,-1): max_node[i] = max_node[i+1]+A[i+1] ans = 1 node = 1 for i in range(N+1): node -= A[i] if (i < N and node <= 0) or node < 0: print(-1) exit(0) node = min(node*2,max_node[i]) ans += node print(ans)
p02862
s025258454
Wrong Answer
X, Y = map(int, input().split()) a, b = divmod(2*X-Y, 3) c, d = divmod(2*Y-X, 3) if not b==d==0: print(0) else: m, n = 1, 1 mod = 10**9+7 for i in range(1, min(a, c)+1): m = (m * (a+c-i+1)) % mod n = (n * i) % mod ans = (m * pow(n, mod-2, mod)) % mod print(ans)
p02957
s522033875
Accepted
a,b = map(int, input().split()) if (a%2 == 0 and b%2 == 0) or (a%2 != 0 and b%2 != 0): print((a+b)//2) else: print('IMPOSSIBLE')
p03239
s567066700
Accepted
#ABC-112-B N, T = map(int, input().split()) ans = 1001 for _ in range(N): ci, ti = map(int, input().split()) if ti <= T: ans = min(ans, ci) if ans == 1001: print("TLE") else: print(ans)
p02552
s356858635
Accepted
print(1-int(input()))
p03659
s231417774
Accepted
N = int(input()) a = list(map(int, input().split())) x = a[0] y = sum(a)-a[0] res = abs(x-y) for i in range(1,N-1): x += a[i] y -= a[i] if abs(x-y) < res: res = abs(x-y) print(res)
p02583
s138293542
Wrong Answer
n = int(input()) a = list(map(int, input().split())) a.sort() ans = 0 if n < 3: print(0) else: for i in range(n-2): for j in range(i+1,n-1): for k in range(j+1,n): if a[i] + a[j] > a[k] and len(set([a[i],a[j],a[k]])) == 3: ans += 1 print(ans)
p02911
s460308932
Wrong Answer
X = list(map(int, input().split())) A = [] B=[] C=[] for _ in range(X[2]): A.append(int(input())) for _ in range(X[0]): B.append(X[1]-X[2]) for i in range(0,X[2]): B[A[i]-1]=B[A[i]-1]+1 for j in range(0,X[0]): if B[j]>0: C.append("Yes") else: C.append("No") print(C)
p03986
s000016882
Wrong Answer
import sys input = sys.stdin.readline # sys.setrecursionlimit(100000) def main(): counter = 0 X = input().strip() stack = list() for s in X: if len(stack) < 1: stack.append(s) elif stack[-1] == "S" and s == "T" and counter < (10 ^ 10000) + 1: stack.pop() counter += 1 else: stack.append(s) return len(stack) if __name__ == "__main__": print(main())
p03136
s245259272
Accepted
n=int(input()) l=list(map(int,input().split())) l.sort() lmax=l[-1] lsum=sum(l[:n-1]) if lmax<lsum:print("Yes") else:print("No")
p02606
s093578420
Accepted
l, r, d = map(int, input().split()) ans = 0 for i in range(l, r + 1): if i % d == 0: ans += 1 print(ans)
p02789
s951570543
Accepted
N, M = map(int, input().split()) if M == N: print('Yes') else: print('No')
p03434
s779664403
Accepted
n=int(input()) x=list(map(int,input().split())) a=0 b=0 for i in range(n//2): a+=max(x) x.remove(max(x)) b+=max(x) x.remove(max(x)) if n%2: a+=x[0] dif=a-b print(dif)
p02665
s893664986
Accepted
n = int(input()) a = [int(i) for i in input().split()] if n == 0 and a[0] == 1: print(1) exit() b = [] i = 0 for j in reversed(a): i += j b.append(i) b.reverse() ans = 1 if a[0] != 0: print(-1) exit() i = 1 for j, k in zip(a[1:], b[1:]): if j > i*2: print(-1) exit() i = min(k, i * 2) - j ans += i + j if i < 0: print(-1) exit() print(ans)
p03565
s556014275
Accepted
import sys S_ = input() T = input() ans = 'UNRESTORABLE' if len(S_) < len(T): print(ans) sys.exit() S = [] for i in range(len(S_) - len(T) + 1): for j in range(len(T)): if S_[i + j] == '?' or S_[i + j] == T[j]: continue else: break else: tmp = S_[0:i] + T + S_[i + len(T):len(S_)] S.append(tmp.replace('?', 'a')) if len(S) > 0: sort = sorted(S) ans = sort[0] print(ans)
p02699
s331043263
Accepted
import sys input = sys.stdin.readline def solve(): s, w = map(int, input().split()) if w >= s: return 'unsafe' else: return 'safe' if __name__ == '__main__': answer = solve() print(answer)
p02831
s496981649
Accepted
a, b = map(int, input().split()) def gcd(a,b): while b != 0: a, b = b, a%b return a def lcm(a,b): return a*b/gcd(a,b) print(int(lcm(a,b)))
p03449
s201383130
Wrong Answer
N = int(input()) input_line = input() Line = input_line.split() Line1 = [int(s) for s in Line] input_line = input() Line = input_line.split() Line2 = [int(s) for s in Line] print(Line1) print(Line2) point = 9999 max_candy = 0 for i in range(N): on_candy = sum(Line1[0:i+1]) + sum(Line2[i:N]) # print(sum(Line1[0:i+1]),sum(Line2[i:N])) if max_candy < on_candy: max_candy = on_candy point = i print(max_candy)
p02989
s559358574
Accepted
n = int(input()) d = list(map(int, input().split())) d.sort() print(d[int(n/2)] - d[int(n/2 - 1)])
p04019
s197216515
Wrong Answer
import sys from collections import Counter inint = lambda: int(sys.stdin.readline()) inintm = lambda: map(int, sys.stdin.readline().split()) inintl = lambda: list(inintm()) instrm = lambda: map(str, sys.stdin.readline().split()) instrl = lambda: list(instrm()) s = input() cnt = 0 if not ("N" in s and "S" in s): cnt += 1 if not ("E" in s and "W" in s): cnt += 1 print("Yes") if cnt != 2 else print("No")
p03544
s555437092
Accepted
n=int(input()) a=[2,1] if n==1: print(1) else: for i in range(1,n): a.append(a[-1]+a[-2]) print(a[-1])
p02596
s734384161
Accepted
k=int(input()) n=7 for i in range(k+1): if n%k==0: print(i+1) exit() n=(10*n+7)%k print(-1)
p03803
s213918602
Accepted
A, B = map(int, input().split()) if A == B: print('Draw') elif A == 1: print('Alice') elif B == 1: print('Bob') elif A > B: print('Alice') elif A < B: print('Bob')
p03804
s338186541
Wrong Answer
from itertools import product n, m = map(int, input().split()) a = [input() for _ in range(n)] b = [input() for _ in range(m)] for i, j in product(range(n - m + 1), repeat=2): print(i,j) if all(a[i + k][j:j + m] == b[k] for k in range(m)): print('Yes') break else: print('No')
p03351
s767805213
Accepted
a, b, c, d = map(int, input().split()) if ((abs(b-a)<=d) and (abs(c-b)<=d)) or (abs(c-a)<=d) : print('Yes') else: print('No')
p03075
s799302501
Accepted
a=int(input()) b=int(input()) c=int(input()) d=int(input()) e=int(input()) k=int(input()) if e-a>k: print(':(') else: print('Yay!')
p02729
s399755520
Accepted
n, m = map(int, input().split()) print(n * (n-1) // 2 + m * (m-1) // 2)
p02866
s435146793
Wrong Answer
from collections import Counter def solve(n, arr): arr.sort() if arr[0] != 0: return 0 c = Counter(arr) if len(c) != max(c.keys()) + 1: return 0 c = list(c.values()) prev = c[0] ans = 1 mod = 998244353 for i in c[1:]: ans *= pow(prev, i) % mod ans %= mod prev = i return ans n = int(input()) arr = list(map(int, input().split())) print(solve(n, arr))
p02996
s816737760
Accepted
import sys n=int(input()) ba=[[0]*2 for i in range(n)] for i in range(n): ai,bi=map(int,input().split()) ba[i]=[bi,ai] ba.sort() t=0 for i in range(n): t+=ba[i][1] if t>ba[i][0]: print("No") sys.exit() print("Yes")
p02630
s614442758
Accepted
N = int(input()) A = list(map(int,input().split())) Q = int(input()) BC = [map(int,input().split()) for _ in range(Q)] B, C = [i for i in zip(*BC)] #print(B,C) dic = {} for a in A: dic[a] = dic.get(a,0) + 1 ans = sum(A) for q in range(Q): bc = C[q] - B[q] ans = ans + bc * dic.get(B[q],0) dic[C[q]] = dic.get(C[q],0) + dic.get(B[q],0) dic[B[q]] = 0 print(ans)
p02922
s105273075
Wrong Answer
def main(): a, b = map(int, input().split()) ans = int(b / a) if b % a == 0: print(ans) else: print(ans + 1) if __name__ == "__main__": main()
p03059
s271369553
Wrong Answer
A,B,T=map(int,input().split()) print((T+0.5)//A *B)