Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
s = input
if Taknese == s:
print("Takneses")
else:
  print("Taknese")
  
if apple == s:
print("apples")
else:
  print("apple")
  
if bus == s:
print("buses")
else:
  print("bus")

Fixed submission:

s=input()
if s[-1]=="s":
    print(s+'es')
else:
    print(s+'s')
Buggy python submission (verdict: Runtime Error):
x=int(input())
if x.=0:
    print(0)
else:
    print(1)

Fixed submission:
x=int(input())
if x==0:
    print(1)
else:
    print(0)
Buggy python submission (verdict: Runtime Error):
D,T,S = inputlist()
time = D//S + int(D%S != 0)
if time <= T:
    print("Yes")
else:
    print("No")

Fixed submission:
#template
def inputlist(): return [int(j) for j in input().split()]
#template
"""
H,W = inputlist()
st = inputlist()
gl = inputlist()
maze = ['0']*H
for i in range(H):
    maze[i] = list(input())
table = [[10**9+7]*W for _ in range(H)]

"""
D,T,S = inputlist()
time = D//S + int(D%S != 0)
if time <= T:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
h,w,m = map(int,input().rstrip().split())
hw = [list(map(int,input().rstrip().split()))for _ in range(m)]

tate = [0]*(h+1)
yoko = [0]*(w+1)
bombpoint = set()

for x,y in hw:
    tate[x] += 1
    yoko[y] += 1
    bombpoint.add((x,y))

ans_x = []
ans_y = []
x_max = max(tate)
y_max = max(yoko)
for i in range(len(tate)):
    if tate[i] == x_max:
        ans_x.append(i)
for i in range(len(yoko)):
    if yoko[i] == y_max:
        ans_y.append(i)

ans = x_max + y_max
for x in ans_x:
    for y in ans_y:
        if (x,y) not in bombpoint:
            print(ans)
            exit()
print(ans - 1)


Fixed submission:
N, X, T = (int(x) for x in input().split() )

a = int(N/X)

if N % X != 0:
    t = (a + 1)* T
else:
    t = a * T

print(t)
Buggy python submission (verdict: Runtime Error):
import sys
read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
from math import sqrt
from collections import defaultdict
def main():
    n = int(input())
    n2 = int(sqrt(n) + 1)
    d1 = defaultdict(int)

    for i1 in range(1, n2):
        for i2 in range(1, n2):
            for i3 in range(1, n2):
                #p = (i1 + i2) ** 2 - (i1 * i2) + i3 * (i1 + i2 + i3)
                p = i1 ** 2 + i2 ** 2 + i3 ** 2 + i1 * i2 + i2 * i3 + i1 * i3
                d1[p] += 1

    for j1 in range(1, n + 1):
        print(d1[j1])

if __name__ == '__main__':
    main()


Fixed submission:
def main():
    l, r, d = map(int, input().split())
    res = r // d - (l-1) // d
    print(res)

if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
a=int(input())
b=int(input())
print(a*b)

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

print(A*B)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,(input().split())))
 
sum=1
 
if 0 in A:
    print(0)
else:
    for i in range(N):
        sum *= A[i]  
        if sum >= int(1e18):
            break
    print(sum if sum<= int(1e18) else -1)
N = int(input())
A = list(map(int,(input().split())))

sum=1

if 0 in A:
    print(0)
else:
    for i in range(N):
        sum *= A[i]  
        if sum >= int(1e18):
            break
    print(sum if sum<= int(1e18) else -1)


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

print(A*B)
Buggy python submission (verdict: Runtime Error):
s, w = map(int, input().spilt())

if w >= s:
  print("unsafe")
else:
  print("safe")
  

Fixed submission:
S,W = map(int, input().split())

if S<=W:
  print("unsafe")
else:
  print("safe")
Buggy python submission (verdict: Time Limit Exceeded):
mod = 998244353
N,M,K = map(int,input().split())
ans = 0
def pow(x,n):
    if n == 0:  
        return 1
    if n % 2 == 0:  
        return pow((x ** 2)%mod, n // 2)%mod
    else:
        return x * pow((x ** 2)%mod, (n - 1) // 2)%mod
A = 1
for i in range(K+1):
    p = N - i
    x = M*pow(M-1,p-1)*A % mod
    ans += x
    A = A*(N-i-1)%mod
    y = pow(i+1,mod-2)
    A = A*y % mod
print(ans%mod)

Fixed submission:
mod = 998244353
N,M,K = map(int,input().split())
ans = 0
def pow(x,n):
    if n == 0:  
        return 1
    if n % 2 == 0:  
        return pow((x ** 2)%mod, n // 2)%mod
    else:
        return x * pow((x ** 2)%mod, (n - 1) // 2)%mod
A = 1
for i in range(K+1):
    p = N - i
    x = M*pow(M-1,p-1)*A % mod
    ans += x
    A = A*(N-i-1)%mod
    y = pow(i+1,mod-2)
    A = A*y % mod
print(ans%mod)

Buggy python submission (verdict: Time Limit Exceeded):
mod = 998244353
N,M,K = map(int,input().split())
ans = 0
def pow(x,n):
    if n == 0:  
        return 1
    if n % 2 == 0:  
        return pow((x ** 2)%mod, n // 2)%mod
    else:
        return x * pow((x ** 2)%mod, (n - 1) // 2)%mod
A = 1
for i in range(K+1):
    p = N - i
    x = M*pow(M-1,p-1)*A % mod
    ans += x
    A *= (N-i-1)
    y = pow(i+1,mod-2)
    A *= y
    A %= mod
print(ans%mod)

Fixed submission:
mod = 998244353
N,M,K = map(int,input().split())
ans = 0
def pow(x,n):
    if n == 0:  
        return 1
    if n % 2 == 0:  
        return pow((x ** 2)%mod, n // 2)%mod
    else:
        return x * pow((x ** 2)%mod, (n - 1) // 2)%mod
A = 1
for i in range(K+1):
    p = N - i
    x = M*pow(M-1,p-1)*A % mod
    ans += x
    A = A*(N-i-1)%mod
    y = pow(i+1,mod-2)
    A = A*y % mod
print(ans%mod)
Buggy python submission (verdict: Runtime Error):
N,K = map(int,input().split())
D = {}
for i in range(N):
    D[i+1] = 0
for i in range(K):
    d = input()
    A = list(map(int,input().split()))
    for a in A:
        d[a] += 1
ans = 0
for i in range(N):
    if D[i+1] == 0:
        ans += 1
print(ans)

Fixed submission:
N,K = map(int,input().split())
D = {}
for i in range(N):
    D[i+1] = 0
for i in range(K):
    d = input()
    A = list(map(int,input().split()))
    for a in A:
        D[a] += 1
ans = 0
for i in range(N):
    if D[i+1] == 0:
        ans += 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = []
for i in range(N):
    s = input()
    if s not in S:
        S.append(s)
print(len(S))


Fixed submission:
N = int(input())
S = []
for i in range(N):
    s = input()
    S.append(s)
ans = len(S)
S.sort()
for i in range(1,N):
    if S[i] == S[i-1]:
        ans -= 1
print(ans)
Buggy python submission (verdict: Runtime Error):
S = input()
A = [0 for i in range(2019)]
x = 0
for i in range(len(S)):
    p = i + 1
    a = (int(S[-p]))10**i % 2019
    x = (x+a) % 2019
    A[x] += 1
ans += A[i]
for i in range(2019):
    ans += A[i]*(A[i]-1)//2
print(ans)

Fixed submission:
S = input()
A = [0 for i in range(2019)]
x = 0
q = 1
for i in range(len(S)):
    p = i + 1
    a = (int(S[-p]))
    b = a*q%2019
    x = (x+b) % 2019
    A[x] += 1
    q = q*10%2019
ans = A[0]
for i in range(2019):
    ans += A[i]*(A[i]-1)//2
print(ans)
Buggy python submission (verdict: Runtime Error):
L = int(input())
ans = L**3
ans = ans / 27
print(ans)

Fixed submission:
N,M = map(int,input().split())
ans = (N*(N-1))//2 + (M*(M-1))//2
print(ans)
Buggy python submission (verdict: Runtime Error):
H,N = map(int,input().split())
A = []
B = []
for i in range(N):
    a,b = map(int,input().split())
    A.append(a)
    B.append(b)
h = 2*10**4
dp = [10**9 for i in range(h+1)]
dp[0] = 0
for i in range(N):
    a = A[i]
    b = B[i]
    for j in range(h+1):
        if j < a:
            continue
        dp[j] = min(dp[j-a]+b,dp[j])
ans = 10**9
for i in range(H,h+1):
    ans = min(ans,dp[i])
print(ans)

Fixed submission:
import math
H,A = map(int,input().split())
print(math.ceil(H/A))
Buggy python submission (verdict: Runtime Error):
N,K = map(int,input().split())
H = list(map(int,input().split()))
H.sort()
ans = K
for i in range(K):
    H.pop()
ans += sum(H)
print(ans)

Fixed submission:
N,K = map(int,input().split())
H = list(map(int,input().split()))
H.sort()
ans = 0
for i in range(min(K,N)):
    H.pop()
ans += sum(H)
print(ans)

Buggy python submission (verdict: Runtime Error):
N,K = map(int,input().split())
H = list(map(int,input().split()))
H.sort()
ans = K
for i in range(K):
    H.pop()
ans += sum(H)

Fixed submission:
N,K = map(int,input().split())
H = list(map(int,input().split()))
H.sort()
ans = 0
for i in range(min(K,N)):
    H.pop()
ans += sum(H)
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
P = list(map(int,input().split()))
x = P.pop(0)
m = x
ans = 1
for i in range(N-1):
    x = P.pop(0)
    if x <= m:
        ans += 1
        m = x
print(ans)

Fixed submission:
N = int(input())
P = list(map(int,input().split()))
x = P[0]
m = x
ans = 1
for i in range(1,N):
    x = P[i]
    if x <= m:
        ans += 1
        m = x
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
P = list(map(int,input().split()))
x = P.pop(0)
m = x
ans = 1
for i in range(N-1):
    x = P.pop(0)
    if x <= m:
        ans += 1
        m = x
print(ans)

Fixed submission:
N = int(input())
P = list(map(int,input().split()))
x = P[0]
m = x
ans = 1
for i in range(1,N):
    x = P[i]
    if x <= m:
        ans += 1
        m = x
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = map(int,input().split())
mod = 10**9+7
def power(a,b):
    if b == 0:
        return 1
    if b % 2 == 0:
        d = power(a,b//2)
        return d*d%mod
    elif b % 2 == 1:
        return a*power(a,b-1)%mod
import fractions
l = A[i]
g = A[i]
for i in range(1,N):
    x = A[i]
    g = fractions.gcd(l,x)
    l = l*x%g
l = l % mod
ans = 0
for i in range(N):
    ans += l*power(A[i],mod-2) % mod
ans = ans%mod
print(ans)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
mod = 10**9+7
def power(a,b):
    if b == 0:
        return 1
    if b % 2 == 0:
        d = power(a,b//2)
        return d*d%mod
    elif b % 2 == 1:
        return a*power(a,b-1)%mod
import fractions
l = A[0]
g = A[0]
for i in range(1,N):
    x = A[i]
    g = fractions.gcd(l,x)
    l = l*x//g
l = l % mod
ans = 0
for i in range(N):
    ans += l*power(A[i],mod-2) % mod
ans = ans%mod
print(ans)
Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
S = []
P = 0
for i in range(M):
    p,s = map(str,input().split())
    q = int(p)
    if q in S:
        continue
    if s == 'AC':
        S.append(q)
    else:
        P += 1
ans = len(s)
print(ans,P)

Fixed submission:
N,M = map(int,input().split())
d = {}
P = {}
for i in range(1,N+1):
    d[i] = 0
    P[i] = 0
for i in range(M):
    p,s = map(str,input().split())
    q = int(p)
    if d[q] == 1:
        continue
    else:
        if s == 'AC':
            d[q] = 1
        else:
            P[q] += 1
ans1 = 0
ans2 = 0
for i in range(1,N+1):
    if d[i] == 1:
        ans1 += 1
        ans2 += P[i]
print(ans1,ans2)
Buggy python submission (verdict: Time Limit Exceeded):
H,W = map(int,input().split())
maze = []
for i in range(H):
    s = input()
    m = []
    for j in range(W):
        m.append(s[j])
    maze.append(m)
d = [[10**9 for i in range(W*H)] for i in range(W*H)]
dx = [0,0,1,-1]
dy = [1,-1,0,0]
for i in range(W*H):
    h = i//W
    w = i%W
    if maze[h][w] == '#':
        continue
    for j in range(4):
        x = w + dx[j]
        y = h + dy[j]
        k = x + y*W
        if 0<=x<=W-1:
            if 0<=y<=H-1:
                if maze[y][x] == '.':
                    d[i][k] = 1
                    d[k][i] = 1
for i in range(W*H):
    d[i][i] = 0
def warshall_floyd(d):
    #d[i][j]: iからjへの最短距離
    for k in range(W*H):
        for i in range(W*H):
            for j in range(W*H):
                d[i][j] = min(d[i][j],d[i][k] + d[k][j])
    return d
warshall_floyd(d)
ans = 0
for i in range(W*H):
    for j in range(W*H):
        if d[i][j] < 10**9:
            ans = max(ans,d[i][j])
print(ans)

Fixed submission:
H,W = map(int,input().split())
maze = []
for i in range(H):
    s = input()
    m = []
    for j in range(W):
        m.append(s[j])
    maze.append(m)
d = [[10**9 for i in range(W*H)] for i in range(W*H)]
dx = [0,0,1,-1]
dy = [1,-1,0,0]
for i in range(W*H):
    h = i//W
    w = i%W
    if maze[h][w] == '#':
        continue
    for j in range(4):
        x = w + dx[j]
        y = h + dy[j]
        k = x + y*W
        if 0<=x<=W-1:
            if 0<=y<=H-1:
                if maze[y][x] == '.':
                    d[i][k] = 1
                    d[k][i] = 1
for i in range(W*H):
    d[i][i] = 0
def warshall_floyd(d):
    #d[i][j]: iからjへの最短距離
    for k in range(W*H):
        for i in range(W*H):
            for j in range(W*H):
                d[i][j] = min(d[i][j],d[i][k] + d[k][j])
    return d
warshall_floyd(d)
ans = 0
for i in range(W*H):
    for j in range(W*H):
        if d[i][j] < 10**9:
            ans = max(ans,d[i][j])
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
X = list(map(int,input().split()))
S = []
dp = [1]
mod = 10**9+7
for i in range(N):
    t = i+1
    dp.append(dp[i]*t)
W = []
for i in range(1,N):
    y = dp[N-1]//i
    y % mod
    W.append(y)
ans = 0
for i in range(N-1):
    x = X[i]
    S.append(X[N-1]-x)
ans = 0
for i in range(N-1):
    x = S[i]
    t = i + 1
    ans += W[i]*x%mod
print(ans%mod)

Fixed submission:
N = int(input())
X = list(map(int,input().split()))
S = []
dp = [1]
mod = 10**9+7
for i in range(N):
    t = i+1
    dp.append(dp[i]*t%mod)
def power(a,b):
    if b == 0:
        return 1
    if b % 2 == 0:
        d = power(a,b//2)
        return d*d%mod
    elif b % 2 == 1:
        return a*power(a,b-1)%mod
W = []
for i in range(1,N):
    y = dp[N-1]*power(i,mod-2)%mod
    W.append(y)
ans = 0
for i in range(N-1):
    x = X[i]
    S.append(X[N-1]-x)
ans = 0
for i in range(N-1):
    x = S[i]
    t = i + 1
    ans += W[i]*x%mod
print(ans%mod)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
X = list(map(int,input().split()))
S = []
dp = [1]
mod = 10**9+7
for i in range(N):
    t = i+1
    dp.append(dp[i]*t)
ans = 0
for i in range(N-1):
    x = X[i]
    S.append(X[N-1]-x)
ans = 0
for i in range(N-1):
    x = S[i]
    t = i + 1
    ans += dp[N-1]//t*x%mod
print(ans%mod)

Fixed submission:
N = int(input())
X = list(map(int,input().split()))
S = []
dp = [1]
mod = 10**9+7
for i in range(N):
    t = i+1
    dp.append(dp[i]*t%mod)
def power(a,b):
    if b == 0:
        return 1
    if b % 2 == 0:
        d = power(a,b//2)
        return d*d%mod
    elif b % 2 == 1:
        return a*power(a,b-1)%mod
W = []
for i in range(1,N):
    y = dp[N-1]*power(i,mod-2)%mod
    W.append(y)
ans = 0
for i in range(N-1):
    x = X[i]
    S.append(X[N-1]-x)
ans = 0
for i in range(N-1):
    x = S[i]
    t = i + 1
    ans += W[i]*x%mod
print(ans%mod)
Buggy python submission (verdict: Time Limit Exceeded):
N,M = map(int,input().split())
A = list(map(int,input().split()))
g = A[0]
l = A[0]
import fractions
for i in range(1,N):
    a = A[i]
    g = fractions.gcd(l,a)
    l = l*a//g
b = l//2
f = (M-b)//l + 1
for i in range(N):
    if b%A[i] == 0:
        f = 0
        break
if M < l//2:
    ans = 0
else:
    ans = f
print(ans)

Fixed submission:
N,M = map(int,input().split())
A = list(map(int,input().split()))
A.sort()
g = A[-1]
l = A[-1]
import fractions
for i in range(2,N+1):
    a = A[-i]
    g = fractions.gcd(l,a)
    l = l*a//g
    if l//2 > M:
        print(0)
        quit()
b = l//2
f = (M-b)//l + 1
for i in range(N):
    if b%A[i] == 0:
        f = 0
        break
if M < l//2:
    ans = 0
else:
    ans = f
print(ans)
Buggy python submission (verdict: Runtime Error):
X =int(input())
def f(n):
    for i in range(2,int(n**0.5)+1):
        if n%i == 0:
            return False
    return True
for i in range(X,100004):
    if f(i):
        return(i)
        break

Fixed submission:
S,T = map(str,input().split())
ans = T + S
print(ans)
Buggy python submission (verdict: Runtime Error):
X =int(input())
def f(n):
    for i in range(2,int(n**0.5)+1):
        if n%i == 0:
            return False
    return True
for i in range(X,100004):
    if f(i):
        return(i)
        break


Fixed submission:
X =int(input())
def f(n):
    for i in range(2,int(n**0.5)+1):
        if n%i == 0:
            return False
    return True
for i in range(X,100004):
    if f(i):
        print(i)
        break

Buggy python submission (verdict: Time Limit Exceeded):
X = int(input())
P = [i for i in range(10**5)]
for i in range(2,10**5):
    if i in P:
        n = X//i
        for j in range(1,n):
            if 2*(j+1) in P:
                P.remove(2*(j+1))
P.append(100003)
for i in P:
    if i >= X:
        print(i)
        break

Fixed submission:
X =int(input())
def f(n):
    for i in range(2,int(n**0.5)+1):
        if n%i == 0:
            return False
    return True
for i in range(X,100004):
    if f(i):
        print(i)
        break
Buggy python submission (verdict: Time Limit Exceeded):
N,K = map(int,input().split())
R,S,P  =  map(int,input().split())
s = input()
ans = 0
for i in range(K):
    if s[i] == 'r':
        ans += P
    elif s[i] == 's':
        ans += R
    else:
        ans += S
T = []
for i in range(K,N):
    if s[i] == 'r':
        if s[i-K] == 'r':
            if i-K in T:
                ans += P
            else:
                T.append(i)
        else:
             ans += P
    elif s[i] == 's':
        if s[i-K] == 's':
            if i-K in T:
                ans += R
            else:
                T.append(i)
        else:
             ans += R
    else:
        if s[i-K] == 'p':
            if i-K in T:
                ans += S
            else:
                T.append(i)
        else:
            ans += S
print(ans)


Fixed submission:
N,K = map(int,input().split())
R,S,P  =  map(int,input().split())
t = input()
s = []
for i in range(N):
    s.append(t[i])
ans = 0
for i in range(K):
    if s[i] == 'r':
        ans += P
        s[i] = 'a'
    elif s[i] == 's':
        ans += R
        s[i] = 'b'
    else:
        ans += S
        s[i] = 'c'
T = []
for i in range(K,N):
    if s[i] == 'r':
        if s[i-K] != 'a':
            ans += P
            s[i] = 'a'
    elif s[i] == 's':
        if s[i-K] != 'b':
            ans += R
            s[i] = 'b'
    else:
        if s[i-K] != 'c':
            ans += S
            s[i] = 'c'
print(ans)

Buggy python submission (verdict: Runtime Error):
N,K = map(int,input().split())
R,S,P  =  map(int,input().split())
S = input()
ans = 0
for i in range(K):
    if S[i] == “r”:
        ans += P
    elif S[i] == “s”:
        ans += R
    else:
        ans += S
T = []
for i in range(K,N):
    if S[i] ==“r”:
        if S[i-K] == “r”:
            if i in T:
                ans += P
            else:
                T.append(i)
        else:
             ans += P
    elif S[i] == “s”:
        if S[i-K] == “s”:
            if i in T:
                ans += R
            else:
                T.append(i)
        else:
             ans += R
       else:
            if S[i-K] == “p”:
                if i in T:
                    ans += S
                else:
                    T.append(i)
            else:
                ans +=S
print(ans)

Fixed submission:
N,K = map(int,input().split())
R,S,P  =  map(int,input().split())
t = input()
s = []
for i in range(N):
    s.append(t[i])
ans = 0
for i in range(K):
    if s[i] == 'r':
        ans += P
        s[i] = 'a'
    elif s[i] == 's':
        ans += R
        s[i] = 'b'
    else:
        ans += S
        s[i] = 'c'
T = []
for i in range(K,N):
    if s[i] == 'r':
        if s[i-K] != 'a':
            ans += P
            s[i] = 'a'
    elif s[i] == 's':
        if s[i-K] != 'b':
            ans += R
            s[i] = 'b'
    else:
        if s[i-K] != 'c':
            ans += S
            s[i] = 'c'
print(ans)
Buggy python submission (verdict: Runtime Error):
N,M,V,P = map(int,input().split())
A = list(map(int,input().split()))
A = sorted(A)
S = sum(A)
for i in range(P-1):
    x = A.pop()
    S -= x
total_score = M*(V-P+1)
kazu = N - P + 1
for i in range(N-P+1):
    a = A.pop(0)
    total_score -= M
    S -= a
    kazu -= 1
    T = (M+a)*kazu - S
    if (a+M) > A[-1]:
        if T >= total_score:
            ans = kazu + P
            break
print(ans)

Fixed submission:
N,M,V,P = map(int,input().split())
A = list(map(int,input().split()))
A = sorted(A)
S = sum(A)
for i in range(P-1):
    x = A.pop()
    S -= x
total_score = M*(V-P+1)
kazu = N - P + 1
for i in range(N-P+1):
    a = A.pop(0)
    total_score -= M
    S -= a
    kazu -= 1
    T = (M+a)*kazu - S
    if i == N - P:
        ans = P
    else:
        if (a+M) >= A[-1]:
            if T >= total_score:
                ans = kazu + P
                break
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
d = [0 for i in range(19)]
if N % 2 == 1:
    ans = 0
f = 0
else:
    for i in range(18):
        x = 18 - i
        y = 10**y
        a = N // y
        d[x] = a - f
        f = a
    ans = 0
    for i in range(1,19):
        ans += (d[i]*i)
print(ans)
        

Fixed submission:
N = int(input())
d = [0 for i in range(31)]
b = 0
if N % 2 == 0:
    for i in range(30):
        x = 30 - i
        y = 5**x
        a = (N//y)//2
        d[x] = a - b
        b = a
    ans = 0
    for i in range(1,31):
        ans += (d[i]*i)
else:
    ans = 0
print(ans)
Buggy python submission (verdict: Runtime Error):
S = input()
N = len(s)
a = 0
n = N//2
for i in range(n):
    k = -(i+1)
    if S[i] != S[k]:
        a += 1
print(a)

Fixed submission:
S = input()
N = len(S)
a = 0
n = N//2
for i in range(n):
    k = -(i+1)
    if S[i] != S[k]:
        a += 1
print(a)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int,input().split()))
S = [0 for i in range(60)]
for i in range(N):
    a = A[i]
    for j in range(60):
        if (a>>j)&1:
            S[j] += 1
mod = 10**9 + 7
ans = 0
for i in range(60):
    s = S[i]
    t = N - s
    r = (s*t*(2**i))%mod
    ans = (ans + r)%mod
print(ans)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
S = [0 for i in range(60)]
for i in range(N):
    a = A[i]
    for j in range(60):
        if (a>>j)&1:
            S[j] += 1
mod = 10**9 + 7
ans = 0
for i in range(60):
    s = S[i]
    t = N - s
    r = (s*t*(2**i))%mod
    ans = (ans + r)%mod
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = input()
ans = 0
for i in range(1000):
    p = '00' + str(i)
    k = -3
    for j in range(N):
        if p[k] == S[j]:
            k += 1
            if k == 0:
                ans += 1
                break
print(ans)

Fixed submission:
N = int(input())
t = input()
S = []
for i in range(N):
    S.append(t[i])
import copy
ans = 0
f = []
for i in range(10):
    if str(i) in S:
        f.append(str(i))
while len(f) > 0 and len(S) > 2:
    k = S.pop(0)
    if k in f:
        f.remove(k)
        s = []
        for j in range(10):
            if str(j) in S:
                s.append(str(j))
        T = copy.deepcopy(S)
        while len(s) > 0 and len(T) > 1:
            l = T.pop(0)
            if l in s:
                s.remove(l)
                for i in range(10):
                    if str(i) in T:
                        ans += 1
                        
print(ans)