Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
import math

def combinations_count(n, r):
    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))


N, K = map(int, input().split())

if N == 2:
    if K == 0:
        print(1)
        print(1, 2)
    else:
        print(-1)
else:
    cmb = combinations_count(N-1, 2)
    if cmb < K or K < N - 2:
        print(-1)
    else:
        d = cmb - K
        edges = []
        for i in range(1, d+1):
            edges.append((i, i+1))
        for j in range(1, N - d):
            edges.append((i+1, i+1+j))
        print(N-1)
        for e in edges:
            print(*e)



Fixed submission:
import math

N, K = map(int, input().split())

upper = (N-1)*(N-2) // 2
if upper < K:
    print(-1)
else:
    diff = upper - K
    edges = []
    for i in range(2, N+1):
        edges.append((1, i))
    j = 2
    while diff > 0:
        k = j + 1
        while k <= N and diff > 0:
            edges.append((j, k))
            k += 1
            diff -= 1
        j += 1
    print(len(edges))
    for e in edges:
        print(*e)
Buggy python submission (verdict: Runtime Error):
N, X = map(int, input().split())
L = list(map(int, input().split()))

d = 0
cnt = 0
while d <= X:
    cnt += 1
    d += L[cnt-1]
    if cnt == N + 1:
        break
print(cnt)

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

d = 0
cnt = 0
while d <= X:
    cnt += 1
    if cnt == N + 1:
        break
    d += L[cnt-1]
print(cnt)
Buggy python submission (verdict: Runtime Error):
N, M = map(int, input().split())
a = [int(input()) for j in range(M)]

#dp[i]:i段目までの上がり方

div = 1000000007

dp = [0] * (N+1)
dp[0] = 1
if not 1 in a:
    dp[1] = 1
else:
    del a[0]

def stairs():
    for i in range(N-1):
        if dp[i+1] == 0 and dp[i] == 0:
            break
        if i+2 != a[0]:
            del a[0]
        else:
            dp[i+2] = (dp[i+1] + dp[i]) % div
    print(dp[N])

stairs()

Fixed submission:
N, M = map(int, input().split())
a = [int(input()) for j in range(M)]

#dp[i]:i段目までの上がり方

div = 1000000007

dp = [0] * (N+1)
dp[0] = 1
if not 1 in a:
    dp[1] = 1
else:
    del a[0]

def stairs():
    for i in range(N-1):
        if dp[i+1] == 0 and dp[i] == 0:
            break
        if a:
            if i+2 == a[0]:
                del a[0]
                continue
        dp[i+2] = (dp[i+1] + dp[i]) % div
    print(dp[N])

stairs()

Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
a = [int(input()) for j in range(M)]

#dp[i]:i段目までの上がり方

div = 1000000007

dp = [0] * (N+1)
dp[0] = 1
if not 1 in a:
    dp[1] = 1

def stairs():
    for i in range(N-1):
        if dp[i+1] == 0 and dp[i] == 0:
            break
        if not i+2 in a:
            dp[i+2] = (dp[i+1] + dp[i]) % div
    print(dp[N])

stairs()

Fixed submission:
N, M = map(int, input().split())
a = [int(input()) for j in range(M)]

#dp[i]:i段目までの上がり方

div = 1000000007

dp = [0] * (N+1)
dp[0] = 1
if not 1 in a:
    dp[1] = 1
else:
    del a[0]

def stairs():
    for i in range(N-1):
        if dp[i+1] == 0 and dp[i] == 0:
            break
        if a:
            if i+2 == a[0]:
                del a[0]
                continue
        dp[i+2] = (dp[i+1] + dp[i]) % div
    print(dp[N])

stairs()

Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
a = [int(input()) for j in range(M)]

#dp[i]:i段目までの上がり方

div = 1000000007

dp = [0] * (N+1)
dp[0] = 1
if not 1 in a:
    dp[1] = 1

def stairs():
    for i in range(N-1):
        if not i+2 in a:
            dp[i+2] = (dp[i+1] + dp[i]) % div
    print(dp[N])

stairs()

Fixed submission:
N, M = map(int, input().split())
a = [int(input()) for j in range(M)]

#dp[i]:i段目までの上がり方

div = 1000000007

dp = [0] * (N+1)
dp[0] = 1
if not 1 in a:
    dp[1] = 1
else:
    del a[0]

def stairs():
    for i in range(N-1):
        if dp[i+1] == 0 and dp[i] == 0:
            break
        if a:
            if i+2 == a[0]:
                del a[0]
                continue
        dp[i+2] = (dp[i+1] + dp[i]) % div
    print(dp[N])

stairs()
Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
L_R = [list(map(int, input().split())) for i in range(M)]

L = [L_R[i][0] for i in range(M)]
R = [L_R[i][1] for i in range(M)]

ans = [j+1 for j in range(N)]
for i in range(M):
    ans = [ans[j] for j in range(len(ans)) if L[i] <= ans[j] and ans[j] <= R[i]]
print(len(ans))

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

L = [L_R[i][0] for i in range(M)]
R = [L_R[i][1] for i in range(M)]

L_max = max(L)
R_min = min(R)

if L_max <= R_min:
    ans = R_min - L_max + 1
else:
    ans = 0

print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
u_v_w = [list(map(int, input().split())) for i in range(N-1)]

w = [u_v_w[i][2] for i in range(N-1)]

tree = [[] for i in range(N)]

for i in range(N-1):
    u = u_v_w[i][0]
    v = u_v_w[i][1]
    tree[u-1].append((v,w[i]))
    tree[v-1].append((u,w[i]))

ans = [0] * N
ans[0] = 1
def dfs(now):
    global ans
    for next in tree[now-1]:
        if ans[next[0]-1]:
            continue
        if next[1] % 2 == 0:
            ans[next[0]-1] = ans[now-1]
        else:
            ans[next[0]-1] = ans[now-1] * (-1)
        dfs(next[0])

dfs(1)
for i in range(len(ans)):
    if ans[i] == 1:
        print(0)
    else:
        print(1)


Fixed submission:
import sys
sys.setrecursionlimit(1000000000)

N = int(input())
u_v_w = [list(map(int, input().split())) for i in range(N-1)]

w = [u_v_w[i][2] for i in range(N-1)]

tree = [[] for i in range(N)]

for i in range(N-1):
    u = u_v_w[i][0]
    v = u_v_w[i][1]
    tree[u-1].append((v,w[i]))
    tree[v-1].append((u,w[i]))

ans = [0] * N
ans[0] = 1
def dfs(now):
    global ans
    for next in tree[now-1]:
        if ans[next[0]-1]:
            continue
        if next[1] % 2 == 0:
            ans[next[0]-1] = ans[now-1]
        else:
            ans[next[0]-1] = ans[now-1] * (-1)
        dfs(next[0])

dfs(1)
for i in range(len(ans)):
    if ans[i] == 1:
        print(0)
    else:
        print(1)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = input()


t_min = min(S.count("#"), S.count("."))

for i in range(1,N):
    t = 0
    t += S[:i].count("#")
    t += S[i:].count(".")
    t_min = min(t_min, t)
print(t_min)

Fixed submission:
N = int(input())
S = input()
t_min = min(S.count("#"), S.count("."))
S_first = 0
S_second = S.count(".")
for i in range(0,N):
    if S[i] == "#":
        S_first += 1
    else:
        S_second -= 1
    t = S_first + S_second
    t_min = min(t_min, t)
print(t_min)
Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())
h = list(map(int, input().split()))

#dp[i]:i番目に到達するまでにはらうコストの最小値
INF = float('inf')
dp = [INF for i in range(N)]
dp[0] = 0

for i in range(0,N):
    for k in range(1, K+1):
        if i+k > N-1:
            break
        dp[i+k] = min(dp[i+k], dp[i]+abs(h[i+k]-h[i]))


print(dp[N-1])

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

#dp[i]:i番目に到達するまでにはらうコストの最小値
INF = float('inf')
dp = [INF for i in range(N)]
dp[0] = 0

for i in range(0,N):
    for k in range(1, K+1):
        if i+k > N-1:
            break
        dp[i+k] = min(dp[i+k], dp[i]+abs(h[i+k]-h[i]))


print(dp[N-1])

Buggy python submission (verdict: Time Limit Exceeded):
N, K = map(int, input().split())
h = list(map(int, input().split()))

#dp[i]:i番目に到達するまでにはらうコストの最小値
INF = float('inf')
dp = [0 for i in range(N)]

for i in range(1,N):
    cost_min = INF
    for k in range(1,i+1):
        if k <= K:
            cost = dp[i-k] + abs(h[i]-h[i-k])
            cost_min = min(cost, cost_min)
        else:
            break
    dp[i] = cost_min


print(dp[N-1])

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

#dp[i]:i番目に到達するまでにはらうコストの最小値
INF = float('inf')
dp = [INF for i in range(N)]
dp[0] = 0

for i in range(0,N):
    for k in range(1, K+1):
        if i+k > N-1:
            break
        dp[i+k] = min(dp[i+k], dp[i]+abs(h[i+k]-h[i]))


print(dp[N-1])
Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
w_v = [list(map(int, input().split())) for i in range(N)]

w = [w_v[i][0] for i in range(N)]
v = [w_v[i][1] for i in range(N)]

#dp[i+1][j]:i番目までの品物で重さがjとなるときの価値の総和

dp = [[0 for j in range(W+1)] for i in range(N+1)]

for i in range(N):
    for j in range(W+1):
        if j >= w[i]:
            dp[i+1][j] = max(dp[i][j],dp[i][j-w[i]]+v[i])
        else:
            dp[i+1][j] = dp[i][j]

print(dp[N][W])

Fixed submission:
N, W = map(int, input().split())
w_v = [list(map(int, input().split())) for i in range(N)]

w = [w_v[i][0] for i in range(N)]
v = [w_v[i][1] for i in range(N)]

#dp[i+1][j]:i番目までの品物で重さがjとなるときの価値の総和

dp = [[0 for j in range(W+1)] for i in range(N+1)]

for i in range(N):
    for j in range(W+1):
        if j >= w[i]:
            dp[i+1][j] = max(dp[i][j],dp[i][j-w[i]]+v[i])
        else:
            dp[i+1][j] = dp[i][j]

print(dp[N][W])
Buggy python submission (verdict: Time Limit Exceeded):
N, W = map(int, input().split())
w_v = [list(map(int, input().split())) for i in range(N)]

w = [w_v[i][0] for i in range(N)]
v = [w_v[i][1] for i in range(N)]

#dp[i+1][j]:i番目までの品物で価値がj以上となるときの重さの総和の最小値
INF = float('inf')
dp = [[INF for j in range(max(v)*N+1)] for i in range(N+1)]
dp[0][0] = 0

for i in range(N):
    for j in range(max(v)*N+1):
        if j >= v[i]:
            dp[i+1][j] = min(dp[i][j],dp[i][j-v[i]]+w[i])
        else:
            dp[i+1][j] = dp[i][j]

res = 0
for j in range(max(v)*N+1):
    if dp[N][j] <= W:
        res = j
print(res)

Fixed submission:
N, W = map(int, input().split())
w_v = [list(map(int, input().split())) for i in range(N)]

w = [w_v[i][0] for i in range(N)]
v = [w_v[i][1] for i in range(N)]

#dp[i+1][j]:i番目までの品物で価値がj以上となるときの重さの総和の最小値
INF = float('inf')
dp = [[INF for j in range(max(v)*N+1)] for i in range(N+1)]
dp[0][0] = 0

for i in range(N):
    for j in range(max(v)*N+1):
        if j >= v[i]:
            dp[i+1][j] = min(dp[i][j],dp[i][j-v[i]]+w[i])
        else:
            dp[i+1][j] = dp[i][j]

res = 0
for j in range(max(v)*N+1):
    if dp[N][j] <= W:
        res = j
print(res)
Buggy python submission (verdict: Time Limit Exceeded):
N, M = map(int, input().split())
P_Y = [list(map(int, input().split())) for i in range(M)]

N_count = [[] for k in range(N)]
ans = []
for i in range(M):
    p = P_Y[i][0]
    y = P_Y[i][1]
    p_zero = str(p).zfill(6)
    N_count[p-1].append(y)
    ans.append(p_zero)

for k in range(N):
    N_count[k].sort()

for i in range(M):
    p = P_Y[i][0]
    t = N_count[p-1].index(P_Y[i][1]) + 1
    t_zero = str(t).zfill(6)
    print(ans[i]+t_zero)

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

for i in range(M):
    P_Y_I[i].append(i+1)

P_Y_I = sorted(P_Y_I, key=lambda x:x[1])

N_count = [0 for k in range(N)]
for i in range(M):
    p = P_Y_I[i][0]
    N_count[p-1] += 1
    P_Y_I[i][0] = str(p).zfill(6)
    P_Y_I[i][1] = str(N_count[p-1]).zfill(6)

P_Y_I = sorted(P_Y_I, key=lambda x:x[2])

for i in range(M):
    print(P_Y_I[i][0]+P_Y_I[i][1])
Buggy python submission (verdict: Time Limit Exceeded):
X, Y = map(int, input().split())
i = 1
if X % Y == 0:
    print(-1)
else:
    while True:
        if i % X == 0 and i % Y != 0:
            print(i)
            break
        else:
            i += 1


Fixed submission:
X, Y = map(int, input().split())
i = 1
if X % Y == 0:
    print(-1)
else:
    print(X)
Buggy python submission (verdict: Time Limit Exceeded):
import bisect

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

A.sort()
B.sort()
C.sort()

ans = 0
for i in range(N):
    up = A[i]
    middleIndex = bisect.bisect(B, up)
    if middleIndex < N:
        for j in range(middleIndex, N):
            middle = B[j]
            lowIndex = bisect.bisect(C, middle)
            if lowIndex < N:
                cnt = N - lowIndex
                ans += cnt

print(ans)


Fixed submission:
import bisect
import itertools

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

A.sort()
B.sort()
C.sort()

ans = 0
dp = [0] * N
for i in range(N):
    up = A[i]
    middleIndex = bisect.bisect(B, up)
    if middleIndex < N:
        if i == 0:
            for j in range(middleIndex, N):
                middle = B[j]
                lowIndex = bisect.bisect(C, middle)
                if lowIndex < N:
                    cnt = N - lowIndex
                    dp[j] = cnt
                    ans += cnt
                else:
                    dp[j] = 0
            dp = list(itertools.accumulate(dp[::-1]))
        else:
            ans += dp[-middleIndex-1]

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
import bisect

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

A.sort()
B.sort()
C.sort()

ans = 0
for i in range(N):
    up = A[i]
    middleIndex = bisect.bisect(B, up)
    if middleIndex < N:
        for j in range(middleIndex, N):
            middle = B[j]
            lowIndex = bisect.bisect(C, middle)
            if lowIndex < N:
                cnt = N - lowIndex
                ans += cnt

print(ans)


Fixed submission:
import bisect
import itertools

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

A.sort()
B.sort()
C.sort()

ans = 0
dp = [0] * N
for i in range(N):
    up = A[i]
    middleIndex = bisect.bisect(B, up)
    if middleIndex < N:
        if i == 0:
            for j in range(middleIndex, N):
                middle = B[j]
                lowIndex = bisect.bisect(C, middle)
                if lowIndex < N:
                    cnt = N - lowIndex
                    dp[j] = cnt
                    ans += cnt
                else:
                    dp[j] = 0
            dp = list(itertools.accumulate(dp[::-1]))
        else:
            ans += dp[-middleIndex-1]

print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
import math

N, A, B = map(int, input().split())
h = [int(input()) for i in range(N)]

def C(T):
    t = 0
    for i in range(N):
        t += math.ceil((h[i]-B*T)/(A-B))
    if t <= T:
        return True
    else:
        False
l, r = 0, 10**32
while r - l > 1:
    mid = (l+r) // 2
    if C(mid):
        r = mid
    else:
        l = mid


print(r)

Fixed submission:
import math

N, A, B = map(int, input().split())
h = [int(input()) for i in range(N)]

def C(T):
    t = 0
    for i in range(N):
        if h[i] > B*T:
            t += math.ceil((h[i]-B*T)/(A-B))
    if t <= T:
        return True
    else:
        False
l, r = 0, 10**18
while r - l > 1:
    mid = (l+r) // 2
    if C(mid):
        r = mid
    else:
        l = mid


print(r)
Buggy python submission (verdict: Time Limit Exceeded):
import heapq

N = int(input())
a = list(map(int, input().split()))


L = a[:N]
R = a[(N*2):]
L_sum_list = [sum(L)]
R_sum_list = [sum(R)]

R = [-elem for elem in R]
for k in range(N):
    #L側
    L.append(a[N+k])
    heapq.heapify(L)
    rem = a[N+k] - heapq.heappop(L)
    L_sum_list.append(L_sum_list[-1]+rem)

    #R側
    R.append(-(a[N*2-k-1]))
    heapq.heapify(R)
    rem = -(a[N*2-k-1]) - heapq.heappop(R)
    R_sum_list.append(R_sum_list[-1]-rem)

res = []
for k in range(N+1):
    res.append(L_sum_list[k] - R_sum_list[-k-1])
print(max(res))
    



Fixed submission:
import heapq

N = int(input())
a = list(map(int, input().split()))


L = a[:N]
R = a[(N*2):]
L_sum_list = [sum(L)]
R_sum_list = [sum(R)]

R = [-elem for elem in R]

heapq.heapify(L)
heapq.heapify(R)

for k in range(N):
    #L側
    rem = a[N+k] - heapq.heappushpop(L, a[N+k])
    L_sum_list.append(L_sum_list[-1]+rem)

    #R側
    rem = -(a[N*2-k-1]) - heapq.heappushpop(R, -(a[N*2-k-1]))
    R_sum_list.append(R_sum_list[-1]-rem)

res = []
for k in range(N+1):
    res.append(L_sum_list[k] - R_sum_list[-k-1])

print(max(res))
Buggy python submission (verdict: Runtime Error):
s = input()
if s[0]=='R':
  if s[1]=='R':
    if s[2]=='R':
      print(3)
    else:
      print(2)
  else:
    print(1)
elif s[0]=='S':
  if s[1]=='R':
    if s[2]=='R':
      print(2)
    else:
      print(1)
  elif:
    if s[2]=='R':
      print(1)
    else:
      print(0)

Fixed submission:
s = input()
if s[0]=='R':
  if s[1]=='R':
    if s[2]=='R':
      print(3)
    else:
      print(2)
  else:
    print(1)
elif s[0]=='S':
  if s[1]=='R':
    if s[2]=='R':
      print(2)
    else:
      print(1)
  else:
    if s[2]=='R':
      print(1)
    else:
      print(0)
Buggy python submission (verdict: Runtime Error):
n,m,k = map(int,input().split())
arr0 = list(map(int,input().split()))
arr1 = list(map(int,input().split()))
acc0 = [0]

for i in range(n):
  acc0.append(acc0[-1] + arr0[i])
acc1 = [0]
for i in range(m):
  acc1.append(acc1[-1] + arr1[i])
ans = 0
j = m
for i in range(n+1):
  if acc0[i] > k:
    break
  while acc1[j] > k - acc0[i] and j > 0:
    j -= 1
  ans = max(i + j)

print(ans)


Fixed submission:
from sys import stdin
import bisect

def main():
    input = stdin.readline
    n, m, k = map(int, input().split())
    a = list(map(int, input().split()))
    b = list(map(int, input().split()))
    c = [0] * (n + 1)
    for i in range(n):
        c[i + 1] = c[i] + a[i]
    d = [0] * (m + 1)
    for i in range(m):
        d[i + 1] = d[i] + b[i]
    cnt = 0
    for i in range(n + 1):
        if c[i] > k:
            break
        e = bisect.bisect_right(d, k - c[i])
        if cnt < i + e - 1:
            cnt = i + e - 1
    print(cnt)
main()

Buggy python submission (verdict: Runtime Error):
n,m,k = map(int,input().split())
arr0 = list(map(int,input().split()))
arr1 = list(map(int,input().split()))
acc0 = []

for i in range(n):
  acc0.append(acc0[-1] + arr0[i])
acc1 = []
for i in range(m):
  acc1.append(acc1[-1] + arr1[i])
ans = 0
j = m
for i in range(n+1):
  if acc0[i] > k:
    break
  while acc1[j] > k - acc0[i] and j > 0:
    j -= 1
  ans = max(ans, i + j)

print(ans)


Fixed submission:
from sys import stdin
import bisect

def main():
    input = stdin.readline
    n, m, k = map(int, input().split())
    a = list(map(int, input().split()))
    b = list(map(int, input().split()))
    c = [0] * (n + 1)
    for i in range(n):
        c[i + 1] = c[i] + a[i]
    d = [0] * (m + 1)
    for i in range(m):
        d[i + 1] = d[i] + b[i]
    cnt = 0
    for i in range(n + 1):
        if c[i] > k:
            break
        e = bisect.bisect_right(d, k - c[i])
        if cnt < i + e - 1:
            cnt = i + e - 1
    print(cnt)
main()
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict
from heapq import heappush, heappop
import sys


def main(K, N):
    P = 10 ** 9 + 7

    P25 = [1] * (K + 1)
    P26 = [1] * (K + 1)
    F = [1] * (N + K)
    INV = [1] * (N + K)
    INVF = [1] * (N + K)

    p25 = 1
    p26 = 1
    for i in range(1, K + 1):
        p25 *= 25
        p25 %= P
        P25[i] = p25

        p26 *= 26
        p26 %= P
        P26[i] = p26

    f = 1
    invf = 1
    for i in range(2, N + K):
        f *= i
        f %= P
        F[i] = f
        q, r = divmod(P, i)
        INV[i] = -INV[r] * q % P
        invf *= INV[i]
        invf %= P
        INVF[i] = invf

    def comb_rep(n, r):
        return (F[n + r - 1] * INVF[r] % P) * INVF[n - 1] % P

    ret = 0
    for i in range(K + 1):
        ret += (
            P25[i] *
            P26[K - i] % P *
            comb_rep(N, i) % P
        )
    return (ret % P)


if sys.argv[-1] == 'ONLINE_JUDGE':
    print("compiling")
    from numba.pycc import CC
    cc = CC('my_module')
    cc.export('main', 'i8(i8,i8)')(main)
    cc.compile()
    exit()
else:
    from my_module import main
    K = int(input())
    S = input()
    print(main(K, len(S)))


Fixed submission:
s = input()

if s == s.upper():
  print("A")
else:
  print("a")
Buggy python submission (verdict: Runtime Error):
import numpy as np

def main():
  N = int(input())
  A = list(map(int,input().split()))
  A.sort()
  d = np.zeros(A[-1]+1, dtype=np.unit64)
  
  for i in range(N):
    a = A[i]
    a1 = A[i-1]
    if a != a1:
      if a != a1:
        d[a::a] += 1
      else:
        d[a] += 1
  print(np.count_nonzero(d[A] == 1))
  
main()


Fixed submission:
import collections

n=int(input())
arr=list(map(int,input().split()))
cnt=collections.defaultdict(int)
for val in arr:
  cnt[val]+=1
sums=sum(arr)
q=int(input())
for a in range(q):
  b,c=map(int,input().split())
  diff=(c-b)*(cnt[b])
  sums+=diff
  print(sums)
  cnt[c]+=cnt[b]
  cnt[b]=0
Buggy python submission (verdict: Runtime Error):
n = int(input())
arr = list(map(int,input().split()))
xors = 0
for val in arr:
  xors^=val
ans = []
for i in range(n):
  ans.append(xros^arr[i])
  
print(*ans)

Fixed submission:
n = int(input())
arr = list(map(int,input().split()))
xors = 0
for val in arr:
  xors^=val
ans = []
for i in range(n):
  ans.append(xors^arr[i])
  
print(*ans)
Buggy python submission (verdict: Runtime Error):
import numpy as np

def main():
  N = int(input())
  A = list(map(int,input().split()))
  A.sort()
  d = np.zeros(A[-1]+1, dtype=np.unit64)
  
  for i in range(N):
    a = A[i]
    a1 = A[i-1]
    if a != a1:
      if a != a1:
        d[a::a] += 1
      else:
        d[a] += 1
  print(np.count_nonzero(d[A] == 1))
  
main()


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

for i in range(0,5):
  if a[i] == 0:
    n = i + 1
      
print(n)