Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
s = input()
K = int(input())
n = len(s)
A =[]
import bisect
for i in range(n):
    for j in range(1,K+1):
        sub = s[i:i+j]  
        if sub not in A:
            x = bisect.bisect_left(A,sub)
            A.insert(x,sub)

print(A[K-1])

Fixed submission:
s = input()
K = int(input())
n = len(s)
A =[]
import bisect
for i in range(n):
    for j in range(1,K+1):
        sub = s[i:i+j]  
        if sub not in A:
            x = bisect.bisect_left(A,sub)
            A.insert(x,sub)
            if len(A) > K:
                A.pop(K)

print(A[K-1])

Buggy python submission (verdict: Time Limit Exceeded):
s = input()
K = int(input())
n = len(s)
A =[]
import bisect
for i in range(n):
    for j in range(i+1,n+1):
        sub = s[i:j]  
        if sub not in A:
            x = bisect.bisect_left(A,sub)
            A.insert(x,sub)
print(A[K-1])

Fixed submission:
s = input()
K = int(input())
n = len(s)
A =[]
import bisect
for i in range(n):
    for j in range(1,K+1):
        sub = s[i:i+j]  
        if sub not in A:
            x = bisect.bisect_left(A,sub)
            A.insert(x,sub)
            if len(A) > K:
                A.pop(K)

print(A[K-1])

Buggy python submission (verdict: Runtime Error):
s = input()
K = int(input())
n = len(s)
A =[]
for i in range(n):
    for j in range(i+1,n):
        sub = s[i:j]  
        if sub in A:
            continue
        else:
            if len(A) <= K:
                A.append(sub)
            else:
                A.append(sub)
                A.sort()
                A.pop(K)
print(A[K-1])
                

Fixed submission:
s = input()
K = int(input())
n = len(s)
A =[]
import bisect
for i in range(n):
    for j in range(1,K+1):
        sub = s[i:i+j]  
        if sub not in A:
            x = bisect.bisect_left(A,sub)
            A.insert(x,sub)
            if len(A) > K:
                A.pop(K)

print(A[K-1])
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int,input().split()))
S = []
s = 0
for i in range(N):
    s += A[i]
    S.append(s)
ans = 0
for i in range(N):
    x = S.pop(0)
    if x == 0:
        ans += 1
    ans += S.count(x)
print(ans)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
S = []
s = 0
for i in range(N):
    s += A[i]
    S.append(s)
ans = 0
S.sort()
x = S[0]
j = 1
if x == 0:
    ans += 1
for i in range(1,N):
    y = S[i]
    if y == 0:
        ans += 1
    if x == y:
        ans += j
        j += 1
    else:
        x = y
        j = 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
A = list(map(int,input().split()))
s=0
for i in range(N):
    t = A[i]
    if t ==0:
        s = s + 1
    for j in range(i+1,N):
        t = t + A[j]
        if t == 0:
            s = s + 1
print(s)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
S = []
s = 0
for i in range(N):
    s += A[i]
    S.append(s)
ans = 0
S.sort()
x = S[0]
j = 1
if x == 0:
    ans += 1
for i in range(1,N):
    y = S[i]
    if y == 0:
        ans += 1
    if x == y:
        ans += j
        j += 1
    else:
        x = y
        j = 1
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
n = (N//2) - 1
X = list(map(int,input().split()))
import copy
for i in range(N):
    Y = copy.deepcopy(X)
    Y.pop(i)
    Y.sort()
    ans = Y[n]
    print(ans)

Fixed submission:
N = int(input())
n = (N//2) - 1
X = list(map(int,input().split()))
import copy
Y = copy.deepcopy(X)
Y.sort()
a = Y[n]
b = Y[n+1]
for i in range(N):
    ans = a
    if X[i] <= a:
        ans = b
    print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
ans = []
n = N//2
if N <= 15000:
    for i in range(1,n):
        ans.append(2*i)
        x = 30000 - 2*i
        ans.append(x)
    if N % 2 == 0:
        ans.append(30000)
    ans.append(3)
    ans.append(9)
else:
    for i in range(1,15000):
        ans.append(2*i)
    x = N - 14999
    for j in range(x):
        y = 6*x + 3
        if y <= 30000:
            ans.append(y)
    if N = 20000:
        ans.append(30000)
print(*ans)
    

Fixed submission:
N = int(input())
ans = []
n = N//2
if N == 3:
    ans = [2,5,63]
elif 4 <= N <= 15000:
    for i in range(1,n):
        ans.append(2*i)
        x = 30000 - 2*i
        ans.append(x)
    if N % 2 == 1:
        ans.append(30000)
    ans.append(3)
    ans.append(9)
else:
    for i in range(1,15000):
        ans.append(2*i)
    x = N - 14999
    for j in range(x-1):
        y = 6*j + 3
        ans.append(y)
    if x % 2 == 1:
        ans.append(30000)
    else:
        ans.append(6*x - 3)
print(*ans)
Buggy python submission (verdict: Runtime Error):
S = input()
S[3] = '8'
print(S)

Fixed submission:
S = input()
ans = '2018/'
for i in range(5,10):
    ans += S[i]
print(ans)
Buggy python submission (verdict: Runtime Error):
abcd = input()
s = 0
i = 0
for i in range(8):
    a = abcd[0]
    for j in range(3):
        if (i >> j) & 1:
            a += '+'
        else:
            a += '-'
    s = eval(a)
    if s == 7:
        ans = a + '=' + '7'
        break
print(ans)

Fixed submission:
abcd = input()
s = 0
i = 0
for i in range(8):
    a = abcd[0]
    for j in range(3):
        if (i >> j) & 1:
            a += '+'
        else:
            a += '-'
        a += abcd[j+1]
    s = eval(a)
    if s == 7:
        ans = a + '=' + '7'
        break
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
ans = N
for i in range(N):
    a,b = map(int,input())
    ans += b - a
print(ans)

Fixed submission:
N = int(input())
ans = N
for i in range(N):
    a,b = map(int,input().split())
    ans += b - a
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
N,M,R = map(int,input().split())
r = list(map(int,input().split()))
r.sort()
G = [[10**9 for i in range(N+1)] for j in range(N+1)]
for i in range(M):
    a,b,c = map(int,input().split())
    G[a][b] = min(G[a][b],c)
    G[b][a] = G[a][b]
def warshall_floyd(d):
    #d[i][j]: iからjへの最短距離
    for k in range(1,N+1):
        for i in range(1,N+1):
            for j in range(1,N+1):
                d[i][j] = min(d[i][j],d[i][k] + d[k][j])
    return d
warshall_floyd(G)
import itertools
ans = 10**9
for v in itertools.permutations(r):
    v = list(v)
    a = 0
    s = v.pop(0)
    for i in range(R-1):
        t = v[i]
        a += G[s][t]
        s = t
    ans = min(a,ans)
print(ans)

Fixed submission:
N,M,R = map(int,input().split())
r = list(map(int,input().split()))
r.sort()
G = [[10**9 for i in range(N+1)] for j in range(N+1)]
for i in range(M):
    a,b,c = map(int,input().split())
    G[a][b] = min(G[a][b],c)
    G[b][a] = G[a][b]
def warshall_floyd(d):
    #d[i][j]: iからjへの最短距離
    for k in range(1,N+1):
        for i in range(1,N+1):
            for j in range(1,N+1):
                d[i][j] = min(d[i][j],d[i][k] + d[k][j])
    return d
warshall_floyd(G)
import itertools
ans = 10**9
for v in itertools.permutations(r):
    v = list(v)
    a = 0
    s = v.pop(0)
    for i in range(R-1):
        t = v[i]
        a += G[s][t]
        s = t
    ans = min(a,ans)
print(ans)
Buggy python submission (verdict: Runtime Error):
N,K = map(int(input().split()))
A = list(map(int,input().split())))
g = A[0]
import fractions
for i in range(1,N):
    g = fractions.gcd(g,A[i])
if K % g == 0:
    if K <= M:
        print('POSSIBLE')
    else:
        print('IMPOSSIBLE')
else:
    print('IMPOSSIBLE')

Fixed submission:
N,K = map(int,input().split())
A = list(map(int,input().split()))
g = A[0]
import fractions
for i in range(1,N):
    g = fractions.gcd(g,A[i])
if K % g == 0:
    if K <= max(A):
        print('POSSIBLE')
    else:
        print('IMPOSSIBLE')
else:
    print('IMPOSSIBLE')
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
S = []
P = A[:N]
Q = A[2*N:]
for i in range(N):
    Q[i] *= -1
R = A[N:2*N]
p = [0]*(N+1)
q = [0]*(N+1)
import heapq
heapq.heapify(P)
heapq.heapify(Q)
sp = sum(P)
sq = sum(Q)
p[0] = sp
q[0] = sq

for i in range(1,N+1):
    heapq.heappush(P,R[i-1])
    x = heapq.heappop(P)
    heapq.heappush(Q,-R[-i])
    y = heapq.heappop(Q)
    sp = sp + R[i-1] - x
    sq = sq - R[-i] - y
    p[i] = sp
    q[i] = sq
ans = -(10**100)
for k in range(N+1):
    ans = max(ans,p[k] + q[N-k])
    
print(ans)


Fixed submission:
W,H = map(int,input().split())
ans = 10**30
for i in range(1,W):
    a = H*i
    w = W - i
    b = max((w//2)*H,w*(H//2))
    c = w*H - b
    x = max(a,b,c) - min(a,b,c)
    ans = min(ans,x)
for i in range(1,H):
    a = W*i
    h = H - i
    b = max((W//2)*h,W*(h//2))
    c = h*W - b
    x = max(a,b,c) - min(a,b,c)
    ans = min(ans,x)
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
S = []
P = A[:N]
Q = A[2*N:]
for i in range(N):
    Q[i] *= -1
R = A[N:2*N]
p = [0]*(N+1)
q = [0]*(N+1)
import heapq
heapq.heapify(P)
heapq.heapify(Q)
sp = sum(P)
sq = sum(Q)
p[0] = sp
q[0] = sq

for i in range(1,N+1):
    heapq.heappush(P,R[i-1])
    heapq.heappop(P)
    sp = sum(P)
    p[i] = sum(Q)
for i in range(1,N+1):
    heapq.heappush(Q,-R[-i])
    heapq.heappop(Q)
    sq = sum(Q)
    q[i] = sq

ans = -(10**100)
for k in range(N+1):
    ans = max(ans,p[k] + q[N-k])
    
print(ans)


Fixed submission:
W,H = map(int,input().split())
ans = 10**30
for i in range(1,W):
    a = H*i
    w = W - i
    b = max((w//2)*H,w*(H//2))
    c = w*H - b
    x = max(a,b,c) - min(a,b,c)
    ans = min(ans,x)
for i in range(1,H):
    a = W*i
    h = H - i
    b = max((W//2)*h,W*(h//2))
    c = h*W - b
    x = max(a,b,c) - min(a,b,c)
    ans = min(ans,x)
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))
S = []
import heapq
for i in range(N+1):
    P = A[:(N+i)]
    Q = A[(N+i):]
    for l in range(len(Q)):
        Q[l] *= -1
    heapq.heapify(P)
    heapq.heapify(Q)
    j = 0
    k = 0
    while j < i:
        heapq.heappop(P)
        j += 1
    while k < N-i:
        heapq.heappop(Q)
        k += 1
    s = sum(P) + sum(Q)
    S.append(s)
ans = max(S)
print(ans)


Fixed submission:
W,H = map(int,input().split())
ans = 10**30
for i in range(1,W):
    a = H*i
    w = W - i
    b = max((w//2)*H,w*(H//2))
    c = w*H - b
    x = max(a,b,c) - min(a,b,c)
    ans = min(ans,x)
for i in range(1,H):
    a = W*i
    h = H - i
    b = max((W//2)*h,W*(h//2))
    c = h*W - b
    x = max(a,b,c) - min(a,b,c)
    ans = min(ans,x)
print(ans)
Buggy python submission (verdict: Runtime Error):
N,W = map(int,input().split())
w1,v = map(int,input().split())
d = [[-v],[],[],[]]
for i in range(N-1):
    w,v = map(int,input().split())
    x = w - w1
    d[x].append(-v)
d[0].sort()
n0 = len(d[0])
d[1].sort()
n1 = len(d[1])
d[2].sort()
n2 = len(d[2])
d[3].sort()
n3 = len(d[3])
d = [[[[0 for i in range(n3+1)] for j in range(n2+1)] for k in range(n1+1)] for l in range(n0+1)]
for i in range(n0):
    s = sum(d[0][:i])
    for j in range(n1):
        s += sum(d[1][:j])
        for k in range(n2):
            s += sum(d[2][:k])
            for l in range(n3):
                s += sum(d[3][:l])
                s = -s
                x = w1*(i+j+k+l) + j + 2*k + 3*l
                if x <= W:
                    d[i][j][k][l] = s
ans = 0
for i in range(n0):
    for j in range(n1):
        for k in range(n2):
            for l in range(n3):
                x = d[i][j][k][l]
                ans = max(ans,x)
print(ans)

Fixed submission:
N,W = map(int,input().split())
w1,v1 = map(int,input().split())
d = [[-v1],[],[],[]]
for i in range(N-1):
    w,v = map(int,input().split())
    x = w - w1
    d[x].append(-v)
d[0].sort()
n0 = len(d[0])
d[1].sort()
n1 = len(d[1])
d[2].sort()
n2 = len(d[2])
d[3].sort()
n3 = len(d[3])
s0 = [0]
s1 = [0]
s2 = [0]
s3 = [0]
for i in range(n0):
    x = s0[-1] + d[0][i]
    s0.append(x)
for i in range(n1):
    x = s1[-1] + d[1][i]
    s1.append(x)
for i in range(n2):
    x = s2[-1] + d[2][i]
    s2.append(x)
for i in range(n3):
    x = s3[-1] + d[3][i]
    s3.append(x)
d = [[[[0 for i in range(n3+1)] for j in range(n2+1)] for k in range(n1+1)] for l in range(n0+1)]
for i in range(n0+1):
    for j in range(n1+1):
        for k in range(n2+1):
            for l in range(n3+1):
                s = s0[i] + s1[j] + s2[k] + s3[l]
                s = -s
                x = w1*(i+j+k+l) + j + 2*k + 3*l
                if x <= W:
                    d[i][j][k][l] = s
ans = 0
for i in range(n0+1):
    for j in range(n1+1):
        for k in range(n2+1):
            for l in range(n3+1):
                x = d[i][j][k][l]
                ans = max(ans,x)
print(ans)
Buggy python submission (verdict: Runtime Error):
from math import factorial
def combi(n,r):
    return factorial(n) / factorial(r) / factorial(n - r)
N,A,B = map(int,input().split())
V = list(map(int,input().split()))
V.sort()
x = V[-1]
ans = 0
for i in range(1,A+1):
    ans += V[-i]
    x = V[-i]
ans = ans/A
print(ans)
count = 0
import bisect
y = N - bisect.bisect(V,x)
if x == V[-1]:
    n = V.count(x)
    for i in range(A,min(B,V.count(x))+1):
        z = i - y
        count += comb(n,z)
else:
    z = A - y
    n = V.count(x)
    count += comb(n,z)
print(count)

Fixed submission:
from math import factorial
def comb(n,r):
    return factorial(n) // factorial(r) // factorial(n - r)
N,A,B = map(int,input().split())
V = list(map(int,input().split()))
V.sort()
x = V[-1]
ans = 0
for i in range(1,A+1):
    ans += V[-i]
    x = V[-i]
ans = ans/A
print(ans)
count = 0
import bisect
y = N - bisect.bisect(V,x)
if x == V[-1]:
    n = V.count(x)
    for i in range(A,min(B,V.count(x))+1):
        z = i - y
        count += comb(n,z)
else:
    z = A - y
    n = V.count(x)
    count += comb(n,z)
print(count)
Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
a = M - 2*N
if a <= 0:
    ans = C//2
else:
    a = a//4
    ans = N + a
print(ans)

Fixed submission:
N,M = map(int,input().split())
a = M - 2*N
if a <= 0:
    ans = M//2
else:
    a = a//4
    ans = N + a
print(ans)
Buggy python submission (verdict: Runtime Error):
N,M = int(input())
A = []
B = []
for i in range(N):
    A.append(input())
for i in range(M):
    B.append(input())
for i in range(N-M+1):
    for k in range(N-M+1):
        p = 1
        for j in range(i,i+M):
            a = A[j][k:k+M]
            b = B[j-i][k+M]
            if a != b:
                p = 0
        ans += 1
print(ans)

Fixed submission:
N,M = map(int,input().split())
A = []
B = []
for i in range(N):
    A.append(input())
for i in range(M):
    B.append(input())
flag = 0
for i in range(N-M+1):
    for k in range(N-M+1):
        p = 1
        for j in range(i,i+M):
            a = A[j][k:k+M]
            b = B[j-i]
            if a != b:
                p = 0
                break
        if p == 1:
            flag = 1
        

if flag == 1:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Runtime Error):
N,M = map(int,input().split())
G = [[] for i in range(N+1)]
for i in range(M):
    a,b = map(int,input().split())
    G[a].append(b)
    G[b].append(a)
l = [i for i in range(2,N+1)]
import itertools
ans = 0
for v in itertools.permutations(l):
    s = 1
    t = 1
    while v:
        s = t
        t = v.pop(0)
        if t not in G[s]:
            break
    if len(v) == 0:
        ans += 1
print(ans)

Fixed submission:
N,M = map(int,input().split())
G = [[] for i in range(N+1)]
for i in range(M):
    a,b = map(int,input().split())
    G[a].append(b)
    G[b].append(a)
l = [i for i in range(2,N+1)]
import itertools
ans = 0
for v in itertools.permutations(l):
    v = list(v)
    flag = 1
    s = 1
    t = 1
    while v:
        s = t
        t = v.pop(0)
        if t not in G[s]:
            flag = 0
            break
    ans += flag
print(ans)
Buggy python submission (verdict: Runtime Error):
N,Ma,Mb = map(int,input().split())
dp = [[[10**9 for i in range(400)] for j in range(400)] for k in range(N+1)]
dp[0][0][0] = 0
for i in range(1,N+1):
    a,b,c = map(int,input().split())
    for j in range(401):
        for k in range(401):
            if j < a:
                d[i][j][k] = d[i-1][j][k]
            else:
                if k < b:
                    d[i][j][k] = d[i-1][j][k]
                else:
                    d[i][j][k] = min(d[i-1][j][k],d[i-1][j-a][k-b] + c)
m = max(Ma,Mb)
import math
n = math.floor(400 / m)
ans = 10**9
for i in range(n):
    x = Ma*i
    y = Mb*i
    ans = min(dp[N][x][y])
print(ans)

Fixed submission:
N,Ma,Mb = map(int,input().split())
dp = [[[10**9 for i in range(401)] for j in range(401)] for k in range(N+1)]
dp[0][0][0] = 0
for i in range(1,N+1):
    a,b,c = map(int,input().split())
    for j in range(401):
        for k in range(401):
            if j < a:
                dp[i][j][k] = dp[i-1][j][k]
            else:
                if k < b:
                    dp[i][j][k] = dp[i-1][j][k]
                else:
                    dp[i][j][k] = min(dp[i-1][j][k],dp[i-1][j-a][k-b] + c)
m = max(Ma,Mb)
import math
n = math.floor(400 / m)
ans = 10**9
for i in range(1,400):
    x = Ma*i
    y = Mb*i
    if x > 400:
        break
    if y > 400:
        break
    ans = min(dp[N][x][y],ans)
if ans == 10**9:
    print(-1)
    quit()
print(ans)
Buggy python submission (verdict: Runtime Error):
a,b,c = map(str,input().split(,))
print(a,b,c)

Fixed submission:
s = input()
a = s[0]+s[1]+s[2]+s[3]+s[4]
b = s[6]+s[7]+s[8]+s[9]+s[10]+s[11]+s[12]
c = s[14]+s[15]+s[16]+s[17]+s[18]
print(a,b,c)
Buggy python submission (verdict: Time Limit Exceeded):
K,S = map(int,input().split())
ans = 0
for i in range(K+1):
    if i > S:
        break
    for j in range(K+1):
        if i + j > S:
            break
        for k in range(K+1):
            s = i + j + k
            if s == S:
                ans += 1
                break
print(ans)

Fixed submission:
K,S = map(int,input().split())
ans = 0
for i in range(K+1):
    if i > S:
        break
    for j in range(K+1):
        if i + j > S:
            break
        elif 0 <= S - (i + j) <= K:
            ans += 1
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
K,S = map(int,input().split())
ans = 0
for i in range(K+1):
    for j in range(K+1):
        for k in range(K+1):
            s = i + j + k
            if s == S:
                ans += 1
print(ans)

Fixed submission:
K,S = map(int,input().split())
ans = 0
for i in range(K+1):
    if i > S:
        break
    for j in range(K+1):
        if i + j > S:
            break
        elif 0 <= S - (i + j) <= K:
            ans += 1
print(ans)

Buggy python submission (verdict: Runtime Error):
K,S = int(input())
ans = 0
for i in range(K):
    for j in range(K):
        for k in range(K):
            V = i + j + k
            if V == S:
                ans += 1
                break
            elif V > S:
                break
    
    
print(ans)


Fixed submission:
K,S = map(int,input().split())
ans = 0
for i in range(K+1):
    if i > S:
        break
    for j in range(K+1):
        if i + j > S:
            break
        elif 0 <= S - (i + j) <= K:
            ans += 1
print(ans)

Buggy python submission (verdict: Runtime Error):
K,S = int(input())
ans = 0
for i in range(K):
    for j in range(K):
        for k in range(K):
            V = i + j + k
            if V = S:
                ans += 1
                break
            elif V > S:
                break
    
    
print(ans)

Fixed submission:
K,S = map(int,input().split())
ans = 0
for i in range(K+1):
    if i > S:
        break
    for j in range(K+1):
        if i + j > S:
            break
        elif 0 <= S - (i + j) <= K:
            ans += 1
print(ans)
Buggy python submission (verdict: Runtime Error):
N = int(input())
T = list(map(int,input().split()))
ans = sum(T)
M = int(input())
for i in range(M):
    P,X = map(int,input().split())
    t = A[P-1] - X
    print(ans-t)

Fixed submission:
N = int(input())
T = list(map(int,input().split()))
ans = sum(T)
M = int(input())
for i in range(M):
    P,X = map(int,input().split())
    t = T[P-1] - X
    print(ans-t)
Buggy python submission (verdict: Runtime Error):
N = int(input())
d = {}
if N % 2 == 0:
    for i in range(N//2):
        d[2*i+1] = 0
else:
    for i in range(N//2+1):
        d[2*i] = 0
A = list(map(int,input().split()))
x = 1
for i in range(N):
    if d[A[i]] >= 2:
        x = 0
        break
    else:
        d[A[i]] += 1
y = 1
if N % 2 == 1:
    if d[0] != 1:
        y = 0
ans = (2**(N//2))*x*y
print(ans)

Fixed submission:
N = int(input())
d = {}
if N % 2 == 0:
    for i in range(N//2):
        d[2*i+1] = 0
else:
    for i in range(N//2+1):
        d[2*i] = 0
A = list(map(int,input().split()))
x = 1
for i in range(N):
    if A[i] in d:
        if d[A[i]] >= 2:
            x = 0
            break
        else:
            d[A[i]] += 1
    else:
        x = 0
        break
y = 1
if N % 2 == 1:
    if d[0] != 1:
        y = 0
e = 10**9 + 7
ans = (2**(N//2))*x*y%e
print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input())
d = {}
if N % 2 == 0:
    for i in range(N//2):
        d[2*i+1] = 0
else:
    for i in range(N//2+1):
        d[2*i] = 1
A = list(map(int,input()))
x = 1
for i in range(A):
    if d[A[i]] >= 2:
        x = 0
        break
    else:
        d[A[i]] += 1
y = 1
if N % 2 == 1:
    if d[0] != 1:
        y = 0
ans = (2**(N//2))*x*y
print(ans)

Fixed submission:
N = int(input())
d = {}
if N % 2 == 0:
    for i in range(N//2):
        d[2*i+1] = 0
else:
    for i in range(N//2+1):
        d[2*i] = 0
A = list(map(int,input().split()))
x = 1
for i in range(N):
    if A[i] in d:
        if d[A[i]] >= 2:
            x = 0
            break
        else:
            d[A[i]] += 1
    else:
        x = 0
        break
y = 1
if N % 2 == 1:
    if d[0] != 1:
        y = 0
e = 10**9 + 7
ans = (2**(N//2))*x*y%e
print(ans)
Buggy python submission (verdict: Runtime Error):
T = input()
S = ''
p,q,r,s = 'maerd','esare','remaerd','resare'
for i in range(len(T)):
    S += T[len(T)-i]
while len(S) >= 7:
    x = S[:5]
    y = S[:6]
    z = S[:7]
    if x == p or x == q:
        if len(S) > 5:
            S = S[5:]
        else:
            S = ''
    elif y == s:
        if len(S) > 6:
            S = S[6:]
        else:
            S = ''
    elif z == r:
        if len(S) > 7:
            S = S[7:]
        else:
            S = ''
    else:
        break
ans = 'NO'
if len(S) == 0:
    ans = 'YES'
print(ans)

Fixed submission:
T = input()
S = ''
p,q,r,s = 'maerd','esare','remaerd','resare'
for i in range(len(T)):
    S += T[len(T)-i-1]
while len(S) >= 5:
    x = S[:5]
    y = S[:6]
    z = S[:7]
    if x == p or x == q:
        if len(S) > 5:
            S = S[5:]
        else:
            S = ''
    elif y == s:
        if len(S) > 6:
            S = S[6:]
        else:
            S = ''
    elif z == r:
        if len(S) > 7:
            S = S[7:]
        else:
            S = ''
    else:
        break
ans = 'NO'
if len(S) == 0:
    ans = 'YES'
print(ans)

Buggy python submission (verdict: Runtime Error):
T = input()
S = ''
p,q,r,s = 'maerd','esare','remaerd','resare'
for i in range(len(T)):
    S += T[len(T)-i]
while len(S) >= 7:
    x = S[:5]
    y = S[:6]
    z = S[:7]
    if x == p or x == q:
        if len(S) > 5:
            S = S[5:]
        else:
            S = ''
    elif y == s:
        if len(S) > 6:
            S = S[6:]
        else:
            S = ''
    elif z == r:
        if len(S) > 7:
            S = S[7:]
        else:
            S = ''
    else:
        break
ans = 'NO'
if len(S) == 0:
    ans = 'YES'

Fixed submission:
T = input()
S = ''
p,q,r,s = 'maerd','esare','remaerd','resare'
for i in range(len(T)):
    S += T[len(T)-i-1]
while len(S) >= 5:
    x = S[:5]
    y = S[:6]
    z = S[:7]
    if x == p or x == q:
        if len(S) > 5:
            S = S[5:]
        else:
            S = ''
    elif y == s:
        if len(S) > 6:
            S = S[6:]
        else:
            S = ''
    elif z == r:
        if len(S) > 7:
            S = S[7:]
        else:
            S = ''
    else:
        break
ans = 'NO'
if len(S) == 0:
    ans = 'YES'
print(ans)
Buggy python submission (verdict: Runtime Error):
a,b,c = map(input().split())
ans = 'A' + b[0] + 'C'
print(ans)

Fixed submission:
a,b,c = map(str,input().split())
ans = 'A' + b[0] + 'C'
print(ans)