Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

def main():
  N = int(input())
  A = [tuple(map(int,input().split())) for _ in range(N)]
  MOD =10**9+7

  dp = [0 for _ in range(1<<N)]
  dp[0] = 1

  for i in range(N):
    nextdp = [0 for _ in range(1<<N)]
    for j in range(1<<N):
      if dp[j] != 0:
        for k in range(N):
          if (j>>k)&1 == 0 and A[i][k] == 1:
            idx = j|(1<<k)
            nextdp[idx] += dp[j]
            nextdp[idx] %= MOD
    dp = nextdp

  print(dp[(1<<N)-1])

if __name__ == '__main__':
    main()

Fixed submission:
import sys
input = sys.stdin.readline

def main():
  N = int(input())
  A = [tuple(map(int,input().split())) for _ in range(N)]
  MOD =10**9+7
  N2 = 1<<N

  dp = [1] + [0 for _ in range(N2-1)]

  for i in range(N):
    nextdp = [0 for _ in range(N2)]
    for j in range(N2):
      if dp[j] != 0:
        for k in range(N):
          if (j>>k)&1 == 0 and A[i][k] == 1:
            idx = j|(1<<k)
            nextdp[idx] += dp[j]
            #nextdp[idx] %= MOD
    dp = nextdp

  print(dp[N2-1]%MOD)

if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

N = int(input())
A = [list(map(int,input().split())) for _ in range(N)]
MOD =10**9+7

dp = [[0 for _ in range(1<<N)] for _ in range(N+1)]
dp[0][0] = 1

for i in range(N):
  for j in range(1<<N):
    if dp[i][j] != 0:
      for k in range(N):
        if (j>>k)&1 == 0 and A[i][k] == 1:
          dp[i+1][j|(1<<k)] += dp[i][j]
          dp[i+1][j|(1<<k)] %= MOD
print(dp[N][(1<<N)-1])


Fixed submission:
import sys
input = sys.stdin.readline

def main():
  N = int(input())
  A = [tuple(map(int,input().split())) for _ in range(N)]
  MOD =10**9+7
  N2 = 1<<N

  dp = [1] + [0 for _ in range(N2-1)]

  for i in range(N):
    nextdp = [0 for _ in range(N2)]
    for j in range(N2):
      if dp[j] != 0:
        for k in range(N):
          if (j>>k)&1 == 0 and A[i][k] == 1:
            idx = j|(1<<k)
            nextdp[idx] += dp[j]
            #nextdp[idx] %= MOD
    dp = nextdp

  print(dp[N2-1]%MOD)

if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline
sys.setrecursionlimit(10 ** 9)

def main():
  N = int(input())
  H = tuple(map(int,input().split()))
  A = tuple(map(int,input().split()))
  
  dp = [0 for _ in range(N)]
  
  for i in range(N):
    for j in range(H[i]-1,N):
      if j == H[i]-1:
        dp[j] += A[i]
        cur = dp[j]
      else:
        if dp[j] < cur:
          dp[j] = cur
        else:
          break
  #print(dp)
  dp.sort()
  print(dp[-1])

if __name__ == '__main__':
    main()

Fixed submission:
class SegmentTree:
  def __init__(self, size, default, op = max):
    self.size = 2**size.bit_length()
    self.dat = [default]*(self.size*2)
    self.op = op

  def update(self, i, x):
    i += self.size
    self.dat[i] = x
    while i > 0:
      i >>= 1
      self.dat[i] = self.op(self.dat[i*2], self.dat[i*2+1])

  def add(self, i, x):
    i += self.size
    self.dat[i] = self.op(self.dat[i], x)
    while i > 0:
      i >>= 1
      self.dat[i] = self.op(self.dat[i], x)

  def get(self, a, b = None):
    if b is None:
      b = a + 1
    l, r = a + self.size, b + self.size
    res = None
    while l < r:
      if l & 1:
        if res is None:
          res = self.dat[l]
        else:
          res = self.op(res, self.dat[l])
        l += 1

      if r & 1:
        r -= 1
        if res is None:
          res = self.dat[r]
        else:
          res = self.op(res, self.dat[r])
      l >>= 1
      r >>= 1
    return res

N = int(input())
H = list(map(int,input().split()))
A = list(map(int,input().split()))

dp = SegmentTree(N,0)
for i in range(N):
  h = H[i]
  a = A[i]
  dp.update(h-1,dp.get(0,h)+a)
print(dp.get(0,N))
Buggy python submission (verdict: Runtime Error):
N = int(input())
XYH = []
for i in range(N):
  XYH.append(list(map(int,input().split())))
XYH.sort(key=lambda x: x[2], reverse=True)
#print(XYH)

# 与えられた情報のhiがすべて0ということはありえない。
# cx,cyを全探索し、与えられた情報がすべて矛盾がない場合を答えとして出力する。
x0,y0,h0 = XYH[0]
for cx in range(101):
  for cy in range(101):
    ch = h0 + abs(x0-cx) + abs(y0-cy)
    flag = True
    for i in range(1,N):
      x,y,h = XYH[i]
      if (h > 0 and ch != h + abs(x-cx) + abs(y-cy)) or (h == 0 and ch > h + abs(x-cx) + abs(y-cy))
        flag = False
        break
    if flag:
      print(cx,cy,ch)
      exit()


Fixed submission:
N = int(input())
XYH = []
for i in range(N):
  XYH.append(list(map(int,input().split())))
XYH.sort(key=lambda x: x[2], reverse=True)
#print(XYH)

# 与えられた情報のhiがすべて0ということはありえない。
# cx,cyを全探索し、与えられた情報がすべて矛盾がない場合を答えとして出力する。
x0,y0,h0 = XYH[0]
for cx in range(101):
  for cy in range(101):
    ch = h0 + abs(x0-cx) + abs(y0-cy)
    flag = True
    for i in range(1,N):
      x,y,h = XYH[i]
      if (h > 0 and ch != h + abs(x-cx) + abs(y-cy)) or (h == 0 and ch > h + abs(x-cx) + abs(y-cy)):
        flag = False
        break
    if flag:
      print(cx,cy,ch)
      exit()
Buggy python submission (verdict: Runtime Error):
import collections

def prime_factorize(n):
  a = []
  while n % 2 == 0:
    a.append(2)
    n //= 2
  f = 3
  while f * f <= n:
    if n % f == 0:
      a.append(f)
      n //= f
    else:
      f += 2
  if n != 1:
    a.append(n)
  return a

def nCr(n,r):
  return (FAC[n]*INV[n-r]*INV[r])%MOD

n,m = map(int,input().split())

MOD = 10**9 + 7
FAC = [1]
INV = [1]
N = 2*n
for i in range(1,N+1):
  FAC.append((FAC[i-1]*i) % MOD)
  INV.append(pow(FAC[-1],MOD-2,MOD))

c = collections.Counter(prime_factorize(m))
#print(c)
ans = 1
for k,v in c.items():
  ans *= nCr(v+n-1,v)
  ans %= MOD
print(ans)

Fixed submission:
import collections
import math

def prime_factorize(n):
  a = []
  while n % 2 == 0:
    a.append(2)
    n //= 2
  f = 3
  while f * f <= n:
    if n % f == 0:
      a.append(f)
      n //= f
    else:
      f += 2
  if n != 1:
    a.append(n)
  return a

def nCr(n,r):
  #print(n,r)
  return (FAC[n]*INV[n-r]*INV[r])%MOD

n,m = map(int,input().split())

MOD = 10**9 + 7
FAC = [1]
INV = [1]
N = int(math.log(m,2))+n+1
for i in range(1,N+1):
  FAC.append((FAC[i-1]*i) % MOD)
  INV.append(pow(FAC[-1],MOD-2,MOD))

c = collections.Counter(prime_factorize(m))
#print(c)
ans = 1
for k,v in c.items():
  #print(k,v)
  ans *= nCr(v+n-1,v)
  ans %= MOD
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N,C = map(int,input().split())
D = [list(map(int,input().split())) for _ in range(C)]
Grid = [list(map(int,input().split())) for _ in range(N)]

SumCost = [[0 for _ in range(C)] for _ in range(3)]
for c in range(1,C+1):
  for i in range(N):
    for j in range(N):
      g = ((i+1)+(j+1))%3
      SumCost[g][c-1] += D[Grid[i][j]-1][c-1]

ans = 10**18
for c1 in range(1,C+1):
  for c2 in range(1,C+1):
    for c3 in range(1,C+1):
      if c1 == c2 or c2 == c3 or c3 == c1:
        continue
      ans = min(ans,SumCost[0][c1-1]+SumCost[1][c2-1]+SumCost[2][c3-1])
print(ans)

Fixed submission:
N,C = map(int,input().split())
D = [list(map(int,input().split())) for _ in range(C)]
Grid = [list(map(int,input().split())) for _ in range(N)]

SumCost = [[0 for _ in range(C)] for _ in range(3)]
for c in range(1,C+1):
  for i in range(N):
    for j in range(N):
      g = ((i+1)+(j+1))%3
      SumCost[g][c-1] += D[Grid[i][j]-1][c-1]

ans = 10**18
for c1 in range(1,C+1):
  for c2 in range(1,C+1):
    for c3 in range(1,C+1):
      if c1 == c2 or c2 == c3 or c3 == c1:
        continue
      ans = min(ans,SumCost[0][c1-1]+SumCost[1][c2-1]+SumCost[2][c3-1])
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10 ** 6)

N,M = map(int,input().split())
P = list(map(int,input().split()))
XY = []
for i in range(M):
  XY.append(list(map(int,input().split())))
#print(XY)

E = [set() for _ in range(N+1)]
for x,y in XY:
  E[x].add(y)
  E[y].add(x)
#print(E)

def dfs(v,mark):
  visited[v] = mark
  for u in E[v]:
    if visited[u] == 0:
      dfs(u,mark)

visited = [0 for _ in range(N+1)]
mark = 1
for i in range(1,N+1):
  if visited[i] == 0:
    dfs(i,mark)
    mark += 1
#print(visited)

G = [set() for _ in range(max(visited))]
for i in range(1,N+1):
  G[visited[i]-1].add(i)
#print(G)

ans = 0
for g in G:
  Pset = set()
  for idx in g:
    Pset.add(P[idx-1])
  ans += len(Pset & g)
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10 ** 9)

N,M = map(int,input().split())
P = list(map(int,input().split()))
XY = []
for i in range(M):
  XY.append(list(map(int,input().split())))
#print(XY)

E = [set() for _ in range(N+1)]
for x,y in XY:
  E[x].add(y)
  E[y].add(x)
#print(E)

def dfs(v,mark):
  visited[v] = mark
  for u in E[v]:
    if visited[u] == 0:
      dfs(u,mark)

visited = [0 for _ in range(N+1)]
mark = 1
for i in range(1,N+1):
  if visited[i] == 0:
    dfs(i,mark)
    mark += 1
#print(visited)

G = [set() for _ in range(max(visited))]
for i in range(1,N+1):
  G[visited[i]-1].add(i)
#print(G)

ans = 0
for g in G:
  Pset = set()
  for idx in g:
    Pset.add(P[idx-1])
  ans += len(Pset & g)
print(ans)

Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
P = list(map(int,input().split()))
XY = []
for i in range(M):
  XY.append(list(map(int,input().split())))
#print(XY)

E = [set() for _ in range(N+1)]
for x,y in XY:
  E[x].add(y)
  E[y].add(x)
#print(E)

def dfs(v,mark):
  visited[v] = mark
  for u in E[v]:
    if visited[u] == 0:
      dfs(u,mark)

visited = [0 for _ in range(N+1)]
mark = 1
for i in range(1,N+1):
  if visited[i] == 0:
    dfs(i,mark)
    mark += 1
#print(visited)

G = [set() for _ in range(max(visited))]
for i in range(1,N+1):
  G[visited[i]-1].add(i)
#print(G)

ans = 0
for g in G:
  Pset = set()
  for idx in g:
    Pset.add(P[idx-1])
  ans += len(Pset & g)
print(ans)

Fixed submission:
import sys
sys.setrecursionlimit(10 ** 9)

N,M = map(int,input().split())
P = list(map(int,input().split()))
XY = []
for i in range(M):
  XY.append(list(map(int,input().split())))
#print(XY)

E = [set() for _ in range(N+1)]
for x,y in XY:
  E[x].add(y)
  E[y].add(x)
#print(E)

def dfs(v,mark):
  visited[v] = mark
  for u in E[v]:
    if visited[u] == 0:
      dfs(u,mark)

visited = [0 for _ in range(N+1)]
mark = 1
for i in range(1,N+1):
  if visited[i] == 0:
    dfs(i,mark)
    mark += 1
#print(visited)

G = [set() for _ in range(max(visited))]
for i in range(1,N+1):
  G[visited[i]-1].add(i)
#print(G)

ans = 0
for g in G:
  Pset = set()
  for idx in g:
    Pset.add(P[idx-1])
  ans += len(Pset & g)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
from math import factorial

def comb(n, r):
  return factorial(n) / factorial(r) / factorial(n - r)

n = int(input())
A = sorted(list(map(int, input().split())))
max_A = A[-1]
half_A = A[0]
for i in range(len(A) - 1):
  if A[i] < max_A / 2 and i < len(A) - 2:
    half_A = A[i]
  else:
    if comb(max_A, half_A) > comb(max_A, A[i]):
      print(max_A, half_A)
    else:
      print(max_A, A[i])
    exit()

Fixed submission:
N = int(input())
A = list(map(int, input().split()))

ans1 = max(A)
diff = 10 ** 9 
for i in range(N):
  if abs(A[i] - ans1 / 2) <= diff:
    ans2 = A[i]
    diff = abs(A[i] - ans1 / 2)
print(ans1, ans2)
Buggy python submission (verdict: Time Limit Exceeded):
N,K = map(int,input().split())

# a = b * x + K
ans = 0
for k in range(K,N+1):
  b = k+1
  while (b <= N):
    if k == 0:
      ans += (N-k)//b
    else:
      ans += (N-k)//b +1
    #print(ans,(N-k)//b +1,k,b)
    b += 1
print(ans)

Fixed submission:
N,K = map(int,input().split())

# a = b * x + K
# bを固定してaを1~Nまで動かしたとき、aをbで割った余りは1,2...b-1,0のb通り。
# その中にK以上の余りはb-K通り。
# 余りを順に並べると、1,2...b-1,0,1,2...b-1,0,1,2...N%b となる。
# 1,2...N%b の中にK以上の数はN%b-K+1通り。
# 1,2...b-1,0はN//b回繰り返される。
# Kが0のときは、a,bはどんな組み合わせでもいいからN**2通り。

if K == 0:
  print(N**2)
  exit()
ans = 0
for b in range(1,N+1):
  if b-K > 0:
    ans += (b-K)*(N//b)
  if N%b-K+1 > 0:
    ans += N%b-K+1
print(ans)
Buggy python submission (verdict: Runtime Error):
S = input()
print(S.replace('2017/01/', '2018/01/')

Fixed submission:
S = input()
print(S.replace('2017/01/', '2018/01/'))
Buggy python submission (verdict: Runtime Error):
N = int(input())

if N % 2 == 0:
  print(N//2,N,N)
else:
  for h in range(2,3501,2):
    for n in range(2,3501,2):
      w = h*n*N/(4*h*n-n*N-h*N)
      if w > 0 and w.is_integer():
        print(h,n,int(w))
        exit()


Fixed submission:
N = int(input())

if N % 2 == 0:
  print(N//2,N,N)
else:
  for h in range(2,3501,2):
    for n in range(2,3501,2):
      if 4*h*n-n*N-h*N != 0:
        w = h*n*N/(4*h*n-n*N-h*N)
        if w > 0 and w.is_integer():
          print(h,n,int(w))
          exit()
Buggy python submission (verdict: Runtime Error):
s = input()
a = [True for _ in range(26)]
for si in s:
  a[ord(si)-97] = False
for i in range(26):
  if a[i]:
    print(chr(i+97))
    exit()
print('None')

Fixed submission:
s = input()
a = [True for _ in range(26)]
for si in s:
  a[ord(si)-97] = False
for i in range(26):
  if a[i]:
    print(chr(i+97))
    exit()
print('None')
Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
AB = [list(map(int,input().split())) for _ in range(M)]

E = [set() for _ in range(N)]
for a,b in AB:
  a -= 1
  b -= 1
  E[a].add(b)
  E[b].add(a)

visited = [0] * N
def dfs(u,v,count):
  visited[u] = count
  count += 1
  res = False
  for t in E[u]:
    if t != v:
      #print(t,u,visited[t],count)
      if visited[t] == 1:
        if count == M + 1:
          return True
        else:
          return False
      res |= dfs(t,u,count)
  return res

print('YES' if dfs(AB[0][0],-1,1) else 'NO')


Fixed submission:
N,M = map(int,input().split())
AB = [list(map(int,input().split())) for _ in range(M)]

V = {}
v = [0,0]
for v[0],v[1] in AB:
  for i in range(2):
    if v[i] in V:
      V[v[i]] += 1
    else:
      V[v[i]] = 1
for val in V.values():
  if val % 2 == 1:
    print('NO')
    exit()
print('YES')
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))

ans = 0
s = A[0]
if s > 0:
  flag = 1
elif s < 0:
  flag = -1
elif if A[1] < 0:
  flag = 1
  ans += 1
else:
  flag = -1
  ans += 1
for i in range(1,N):
  s += A[i]
  if flag == 1 and s >= 0:
    ans += s + 1
    s = -1
  elif flag == -1 and s <= 0:
    ans += 1 - s
    s = 1
  flag *= -1
print(ans)


Fixed submission:
N = int(input())
A = list(map(int,input().split()))

def calc(A):
  ans = 0
  s = A[0]
  if s > 0:
    flag = 1
  elif s < 0:
    flag = -1
  for i in range(1,N):
    s += A[i]
    if flag == 1 and s >= 0:
      ans += s + 1
      s = -1
    elif flag == -1 and s <= 0:
      ans += 1 - s
      s = 1
    flag *= -1
  return ans

if A[0] > 0:
  print(min(calc(A),calc([-1]+A[1:])+A[0]+1))
elif A[0] < 0:
  print(min(calc(A),calc([1]+A[1:])-A[0]+1))
else:
  print(min(calc([1]+A[1:]),calc([-1]+A[1:]))+1)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10 ** 9)

S = input()

def check(s):
  if len(s) >= 5 and (s[-5:] == 'erase' or s[-5:] == 'dream'):
    return check(s[:-5])
  elif len(s) >= 6 and s[-6:] == 'eraser':
    return check(s[:-6])
  elif len(s) >= 7 and s[-7:] == 'dreamer':
    return check(s[:-7])
  elif len(s) == 0:
    return True
  else:
    return False

print('YES' if check(S) else 'NO')

Fixed submission:
S = input()

def check(t):
  if len(t) >= 5 and (t[-5:] == 'dream' or t[-5:] == 'erase'):
    return True,t[:-5]
  elif len(t) >=6 and t[-6:] == 'eraser':
    return True,t[:-6]
  elif len(t) >= 7 and t[-7:] == 'dreamer':
    return True,t[:-7]
  else:
    return False,t

while(len(S) > 0):
  flag,S = check(S)
  if not flag:
    print('NO')
    exit()
print('YES')
Buggy python submission (verdict: Time Limit Exceeded):
S = input()
N = len(S)
dp = [[0 for _ in range(N//2+2)] for _ in range(N)]

for i in range(N-1,-1,-1):
  for j in range(i//2+1,-1,-1):
    if i == N-1:
      if S[i] == 'g':
        if j > 0:
          dp[i][j] = 1
        else:
          dp[i][j] = 0
      else:
        if j > 0:
          dp[i][j] = 0
        else:
          dp[i][j] = -1
    else:
      if S[i] == 'g':
        if j > 0:
          dp[i][j] = max(1+dp[i+1][j-1],dp[i+1][j+1])
        else:
          dp[i][j] = dp[i+1][j+1]
      else:
        if j > 0:
          dp[i][j] = max(dp[i+1][j-1],-1+dp[i+1][j+1])
        else:
          dp[i][j] = -1+dp[i+1][j+1]

print(dp[0][0])


Fixed submission:
S = input()

A = 'gp' * (len(S)//2)
if len(S) % 2 == 1:
  A += 'g'
ans = 0
for i in range(len(S)):
  if S[i] == 'p' and A[i] == 'g':
    ans -= 1
  elif S[i] == 'g' and A[i] == 'p':
    ans += 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10 ** 9)

S = input()

def dfs(p,a):
  if p == len(S):
    return 0
  if a > 0 and S[p] == 'g':
    return max(1+dfs(p+1,a-1),dfs(p+1,a+1))
  elif a > 0 and S[p] == 'p':
    return max(dfs(p+1,a-1),-1+dfs(p+1,a+1))
  elif a == 0 and S[p]  == 'g':
    return dfs(p+1,a+1)
  else:
    return -1+dfs(p+1,a+1)

print(dfs(0,0))

Fixed submission:
S = input()

A = 'gp' * (len(S)//2)
if len(S) % 2 == 1:
  A += 'g'
ans = 0
for i in range(len(S)):
  if S[i] == 'p' and A[i] == 'g':
    ans -= 1
  elif S[i] == 'g' and A[i] == 'p':
    ans += 1
print(ans)

Buggy python submission (verdict: Runtime Error):
S = input()

def dfs(p,a):
  if p == len(S):
    return 0
  if a > 0 and S[p] == 'g':
    return max(1+dfs(p+1,a-1),dfs(p+1,a+1))
  elif a > 0 and S[p] == 'p':
    return max(dfs(p+1,a-1),-1+dfs(p+1,a+1))
  elif a == 0 and S[p]  == 'g':
    return dfs(p+1,a+1)
  else:
    return -1+dfs(p+1,a+1)

print(dfs(0,0))

Fixed submission:
S = input()

A = 'gp' * (len(S)//2)
if len(S) % 2 == 1:
  A += 'g'
ans = 0
for i in range(len(S)):
  if S[i] == 'p' and A[i] == 'g':
    ans -= 1
  elif S[i] == 'g' and A[i] == 'p':
    ans += 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
S = input()
K = int(input())

ans = ''
i = 0
while(K>0):
  if i == len(S)-1:
    K %= 26
    ans += chr(((ord(S[i])-97)+K)%26+97)
    K = 0
  else:
    if S[i] != 'a':
      a = 26-(ord(S[i])-97)
      if K > a:
        ans += 'a'
        K -= a
      else:
        ans += S[i]
    else:
      ans += S[i]
  i += 1
print(ans)


Fixed submission:
S = input()
K = int(input())

S = list(S)
i = 0
while(K>0):
  if i == len(S)-1:
    S[i] = chr(((ord(S[i])-97)+K)%26+97)
    K = 0
  else:
    a = 26-(ord(S[i])-97)
    if a != 26 and K >= a:
      S[i] = 'a'
      K -= a
  i += 1
print(''.join(S))
Buggy python submission (verdict: Runtime Error):
S = input()

if len(S) == 1:
  print(int(S))
else:
  ans = 0
  for i in range(1<<(len(S)-1)):
    SP = []
    for j in range(len(S)-1):
      if (i>>j)&1 == 1:
        SP.append(j)
    SP += [len(S)-1]
    #print(SP)
    idx = 0
    for sp in SP:
      ans += int(S[idx:sp+1])
      idx = sp+1
print(ans)


Fixed submission:
S = input()

if len(S) == 1:
  print(int(S))
else:
  ans = 0
  for i in range(1<<(len(S)-1)):
    SP = []
    for j in range(len(S)-1):
      if (i>>j)&1 == 1:
        SP.append(j)
    SP += [len(S)-1]
    #print(SP)
    idx = 0
    for sp in SP:
      ans += int(S[idx:sp+1])
      idx = sp+1
  print(ans)
Buggy python submission (verdict: Runtime Error):
N,A = map(int,input().split())
X = list(map(int,input().split()))

MAXSUM = sum(X)+5
dp = [[[0 for _ in range(MAXSUM)] for _ in range(N+5)] for _ in range(N+5)]
for i in range(N):
  dp[i+1][1][X[i]] += 1
  for k in range(N):
    for j in range(MAXSUM):
      dp[i+1][k][j] += dp[i][k][j]
      if X[i]+j < MAXSUM:
        dp[i+1][k+1][X[i]+j] += dp[i][k][j]
#print(dp)
ans = 0
for i in range(N):
  ans += dp[N][i+1][A*(i+1)]
print(ans)

Fixed submission:
N,A = map(int,input().split())
X = list(map(int,input().split()))

MAXSUM = sum(X)+5
dp = [[[0 for _ in range(MAXSUM)] for _ in range(N+5)] for _ in range(N+5)]
for i in range(N):
  dp[i+1][1][X[i]] += 1
  for k in range(N):
    for j in range(MAXSUM):
      dp[i+1][k][j] += dp[i][k][j]
      if X[i]+j < MAXSUM:
        dp[i+1][k+1][X[i]+j] += dp[i][k][j]
#print(dp)
ans = 0
for i in range(N):
  if A*(i+1) < MAXSUM:
    ans += dp[N][i+1][A*(i+1)]
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = []
for i in range(N):
  A.append(int(input()))

SA = sorted(A)
ans = 0
for i in range(N):
  if (i + SA.index(A[i])) % 2 == 1:
    ans += 1
print(ans//2)

Fixed submission:
import bisect

N = int(input())
A = []
for i in range(N):
  A.append(int(input()))

SA = sorted(A)
ans = 0
for i in range(N):
  rank = bisect.bisect_left(SA,A[i])
  #print(rank,A[i])
  if (i + rank) % 2 == 1:
    ans += 1
print(ans//2)
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
ans=0

for i in range(1,N):
    for j in range(1,N):
        for k in range(1,N):
            if i*j==N-k:
                ans +=1
print(ans) 


Fixed submission:
n=int(input())
ans=0
for a in range(1,n):
  x=(n-1)//a
  ans+=x
print(ans)
Buggy python submission (verdict: Runtime Error):
class UnionFind(): 
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):

        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]


if __name__ == "__main__":
    N, M = map(int, input().split()) 
    union_find = UnionFind(N)
    for _ in range(M):
        A, B = map(int, input().split())
        A -= 1
        B -= 1
        union_find.union(A, B)

    answer = 0
    for i in range(N):
        answer = max(answer, union_find.size(i))

    print(answer)


Fixed submission:
class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

    def union(self, x, y):

        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]


if __name__ == "__main__":
    N, M = map(int, input().split()) 
    union_find = UnionFind(N)
    for _ in range(M):
        A, B = map(int, input().split())
        A -= 1
        B -= 1
        union_find.union(A, B)

    answer = 0
    for i in range(N):
        answer = max(answer, union_find.size(i))

    print(answer)
Buggy python submission (verdict: Runtime Error):
s = input()
t = input()

print(t2)
if s == t2:
    print("Yes")
else:
    print("No")

Fixed submission:
s = input()
t = input()
t2 = t[:-1]

if s == t2:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Time Limit Exceeded):
n,k = map(int,input().split())
L = list(map(int,input().split()))
ans = L[0]
while k-1 > 0:
    ans = L[ans-1]
    k -= 1
print(ans)

Fixed submission:
import sys
N, K = map(int, input().split())
A = list(map(int, input().split()))

already = [False] * N
step = 0
now = 1
count = 0
while(already[now-1] != True):
    already[now - 1] = True
    now = A[now - 1]
    count += 1
    if count == K:
      print(now)
      exit(0)
loop = 0
cycle = 0
if(now == 1):
    step = 0
    cycle = count
    loop = K % cycle
else:
    step = 0
    temp = 1
    while(temp != now):
        temp = A[temp - 1]
        step += 1
    cycle = count - step
    loop= (K - step) % cycle

temp = 1
for i in range(step + loop):
    temp = A[temp - 1]
print(temp)
Buggy python submission (verdict: Runtime Error):
print(float(input())*2*3.14

Fixed submission:
print(float(input())*2*3.14)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
L = list(map(int,input().split()))

for i in range(1,n+1):
    ans = L.count(i)
    print(ans)

Fixed submission:
n = int(input())
a = list(map(int, input().split()))
b = [0 for i in range(n)]
for e in a:
  b[e-1] += 1
for e in b:
  print(e)