Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
N = int(input())
L = [0]*N
if N==1:
    print(2)
if N==2:
    print(1)
else:

    L[0]=2
    L[1]=1
    for i in range(2,N-1):
        L[i] = L[i-1]+L[i-2]
    print(L[-1])

Fixed submission:
N = int(input())
MAX = 86
L = [0]*(MAX+1)
L[0] = 2
L[1] = 1
for i in range(2, MAX+1):
    L[i] = L[i-1] + L[i-2]
print(L[N])

Buggy python submission (verdict: Runtime Error):
N = int(input())
L = [0]*N
L[0]=2
L[1]=1
for i in range(2,N-1):
    L[i] = L[i-1]+L[i-2]
print(L[N-1])

Fixed submission:
N = int(input())
MAX = 86
L = [0]*(MAX+1)
L[0] = 2
L[1] = 1
for i in range(2, MAX+1):
    L[i] = L[i-1] + L[i-2]
print(L[N])
Buggy python submission (verdict: Runtime Error):
Sd = input()
T = input()
Sd = list(Sd)
N = len(Sd)

start_idxs = []
is_t_ing = 0
counter = 0
for i in range(N):
    if counter == len(T):
        is_t_ing = 0
        counter = 0

    if not is_t_ing:
        if Sd[i] == T[0]:
            is_t_ing = 1
            start_idxs.append(i)
            counter = 1
    else:
        if Sd[i] == "?" or Sd[i] == T[counter]:
            counter += 1
        else:
            is_t_ing = 0
            counter = 0
            start_idxs.pop()
S_list = []
if len(start_idxs) > 0:
    for start_idx in start_idxs:
        tmp_string = Sd.copy()
        for i in range(len(T)):
            tmp_string[start_idx + i] = T[i]
        tmp_string = "".join(tmp_string)
        tmp_string = tmp_string.replace("?", "a")
        S_list.append(tmp_string)
    ans = min(S_list)
    print(ans)
else:
    tmp_string = Sd.copy()
    tmp_string = "".join(tmp_string)
    tmp_string = tmp_string.replace("?"*len(T), T)
    if tmp_string == "".join(Sd):
        print("UNRESTORABLE")
    else:
        print(tmp_string.replace("?", "a"))


Fixed submission:
S = input()
T = input()

partial_s = []
for i in range(len(S)-len(T)+1):
    partial_s.append(S[i:i+len(T)])
to_replace_idxs = []

for idx, sub_s in enumerate(partial_s):
    for i in range(len(sub_s)):
        flag = 1
        if sub_s[i] != T[i]:
            if sub_s[i] != "?":
                flag = 0
                break
    if flag:
        to_replace_idxs.append(idx)

tmp_ans = []
if not to_replace_idxs:
    print("UNRESTORABLE")
else:
    for to_replace_idx in to_replace_idxs:
        tmp_string = S
        tmp_string = list(tmp_string)
        for i in range(to_replace_idx, to_replace_idx+len(T)):
            tmp_string[i] = T[i-to_replace_idx]
            
        tmp_string = "".join(tmp_string)
        tmp_string = tmp_string.replace("?", "a")
        tmp_ans.append(tmp_string)
    print(min(tmp_ans))
Buggy python submission (verdict: Runtime Error):
N = int(input())

l = [i for i in range(1, N+1)]
l1 = l.copy()
c = [0]*N

while True:
    exist_even = False
    for i in range(N):
        if l[i] % 2 == 0:
            exist_even = True
    if not exist_even:
        break

    for i in range(N):
        if l[i] % 2 == 0:
            l[i] = l[i] // 2
            c[i] += 1

idx = c.index(max(c))
print(l1[idx])

Fixed submission:
N = int(input())

l = [i for i in range(1, N+1)]
l1 = l.copy()
c = [0]*N

while True:
    exist_even = False
    for i in range(N):
        if l[i] % 2 == 0:
            exist_even = True
    if not exist_even:
        break

    for i in range(N):
        if l[i] % 2 == 0:
            l[i] = l[i] // 2
            c[i] += 1

idx = c.index(max(c))
print(l1[idx])
Buggy python submission (verdict: Runtime Error):
from scipy.special import comb
N, P = map(int, input().split())
A = list(map(int, input().split()))
MAX_C = 100

# def comb_dp():
#     """
#     dpテーブルを作ってnCkを計算.
#     modのpは素数でなくてよい.
#     1 <= k <= n <= 2000程度
#     O(MAX_C ** 2).
#     """
#     Com = [[0]*MAX_C for _ in range(MAX_C)]
#     for i in range(1, MAX_C):
#         # iC0 = 1
#         Com[i][0] = 1
#         for j in range(1, MAX_C):
#             # iCj = i-1_C_j-1 + i-1_C_j mod p
#             Com[i][j] = (Com[i-1][j-1] + Com[i-1][j])
        
#     return Com
# Com = comb_dp()
# print(Com[2][1])
# print(Com[2][2])
if P == 0:
    is_even = [A[i]%2==0 for i in range(N)]
    num_e = is_even.count(True)
    num_o = N-num_e
    tmp1 = 0
    tmp2 = 0
    for i in range(0, num_e+1):
        tmp1 += comb(num_e, i, exact=True)
    for i in range(0, num_o+1, 2):
        tmp2 += comb(num_o, i, exact=True)
    print(tmp1*tmp2)
else:
    is_even = [A[i]%2==0 for i in range(N)]
    num_e = is_even.count(True)
    num_o = N-num_e
    tmp1 = 0
    tmp2 = 0
    for i in range(0, num_e+1):
        tmp1 += comb(num_e, i, exact=True)
    for i in range(1, num_o+1, 2):
        tmp2 += comb(num_o, i, exact=True)
    print(tmp1*tmp2)


Fixed submission:
from scipy.special import comb
N, P = map(int, input().split())
A = list(map(int, input().split()))
MAX_C = 100

# def comb_dp():
#     """
#     dpテーブルを作ってnCkを計算.
#     modのpは素数でなくてよい.
#     1 <= k <= n <= 2000程度
#     O(MAX_C ** 2).
#     """
#     Com = [[0]*MAX_C for _ in range(MAX_C)]
#     for i in range(1, MAX_C):
#         # iC0 = 1
#         Com[i][0] = 1
#         for j in range(1, MAX_C):
#             # iCj = i-1_C_j-1 + i-1_C_j mod p
#             Com[i][j] = (Com[i-1][j-1] + Com[i-1][j])
        
#     return Com
# Com = comb_dp()
# print(Com[2][1])
# print(Com[2][2])
if P == 0:
    is_even = [A[i]%2==0 for i in range(N)]
    num_e = is_even.count(True)
    num_o = N-num_e
    tmp1 = 0
    tmp2 = 0
    for i in range(0, num_e+1):
        tmp1 += comb(num_e, i, exact=True)
    for i in range(0, num_o+1, 2):
        tmp2 += comb(num_o, i, exact=True)
    print(tmp1*tmp2)
else:
    is_even = [A[i]%2==0 for i in range(N)]
    num_e = is_even.count(True)
    num_o = N-num_e
    tmp1 = 0
    tmp2 = 0
    for i in range(0, num_e+1):
        tmp1 += comb(num_e, i, exact=True)
    for i in range(1, num_o+1, 2):
        tmp2 += comb(num_o, i, exact=True)
    print(tmp1*tmp2)
Buggy python submission (verdict: Runtime Error):
N=int(input())
s=[int(input()) for _ in range(N)]
ss = [s[i] for i in range(N) if s[i]%10!=0]
if sum(s)%10 != 0:
    print(sum(s))
else:
    print(sum(s)-min(ss))

Fixed submission:
N=int(input())
s=[int(input()) for _ in range(N)]
ss = [s[i] for i in range(N) if s[i]%10!=0]
if sum(s)%10 != 0:
    print(sum(s))
else:
    if not ss:
        print(0)
    else:
        print(sum(s) - min(ss))
Buggy python submission (verdict: Runtime Error):
N = int(input())
A=list(map(int, input().split()))
from collections import Counter


c = dict(Counter(A))
MOD = 10**9 + 7
if N % 2 == 0:
    is_ok = 1
    cnt = 0
    for num in range(1, N, 2):
        cnt += 1
        if c[num] != 2:
            is_ok=0
            break
    if not is_ok:
        print(0)
        exit()
    print(pow(2, cnt, MOD))
else:
    is_ok = 1
    cnt = 0
    if c[0] != 1:
        is_ok = 0
    for num in range(2, N, 2):
        cnt += 1
        if c[num] != 2:
            is_ok = 0
            break
    if not is_ok:
        print(0)
        exit()
    print(pow(2, cnt, MOD))

Fixed submission:
N = int(input())
A=list(map(int, input().split()))
from collections import Counter


c = Counter(A)
MOD = 10**9 + 7
if N % 2 == 0:
    is_ok = 1
    cnt = 0
    for num in range(1, N, 2):
        cnt += 1
        if c[num] != 2:
            is_ok=0
            break
    if not is_ok:
        print(0)
        exit()
    print(pow(2, cnt, MOD))
else:
    is_ok = 1
    cnt = 0
    if c[0] != 1:
        is_ok = 0
    for num in range(2, N, 2):
        cnt += 1
        if c[num] != 2:
            is_ok = 0
            break
    if not is_ok:
        print(0)
        exit()
    print(pow(2, cnt, MOD))
Buggy python submission (verdict: Time Limit Exceeded):
N,K=map(int,input().split())
A=list(map(int,input().split()))
m=1
for i in A[:K]:m=m*i
p=m
for i in range(K,N):
    m=(m*A[i])//A[i-K]
    if K-1<i:print('Yes' if p<m else 'No')
    p=m

Fixed submission:
N,K=map(int,input().split())
A=list(map(int,input().split()))
for i in range(K,N):
    print('Yes' if A[i-K]<A[i] else 'No')

Buggy python submission (verdict: Time Limit Exceeded):
N,K=map(int,input().split())
A=list(map(int,input().split()))
p=0
for i in range(K-1,N):
    m=1
    for j in range(K):
        m*=A[i-j]
    if K-1<i:print('Yes' if p<m else 'No')
    p=m

Fixed submission:
N,K=map(int,input().split())
A=list(map(int,input().split()))
for i in range(K,N):
    print('Yes' if A[i-K]<A[i] else 'No')
Buggy python submission (verdict: Runtime Error):
N=int(input());N-=1
a=list('abcdefghijklmnopqrstuvwxyz')
n=[]
def nn(n,x):
    m=n;r=[]
    while 0<m:
        r.insert(0,m%x)
        m=m//x
    r[-1]+=1
    return r
for i in nn(N,26):
    n.append(a[i-1])
print(''.join(n))

Fixed submission:
N,a=int(input()),''
while 0<N:N-=1;a+=chr(ord('a')+N%26);N//=26
print(a[::-1])
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
A=list(map(int,input().split()))
Q=int(input())
L=[0]*(10**5)
for i in A:L[i-1]+=i
for i in range(Q):
    B,C=map(int,input().split())
    L[C-1]+=(L[B-1]//B)*C;L[B-1]=0
    print(sum(L))

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
Q=int(input())
L=[0]*(10**5)
S=sum(A)
for i in A:L[i-1]+=1
for i in range(Q):
    B,C=map(int,input().split());B-=1;C-=1
    S+=((C+1)-(B+1))*L[B]
    L[C]+=L[B];L[B]=0
    print(S)
Buggy python submission (verdict: Runtime Error):
N=int(input())
A=list(map(int,input().split()))
if 0 in A: print(0)
else:
    A.sort()
    ans=A.pop(-1)
    for i in range(N-1):
        ans=ans*A[N-(i+2)]
        if ans > (10**18): break
        if ans == 0: break
print(ans if ans<=10**18 else -1)

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort()
ans=A.pop(-1)
if 0 in A:
    print(0)
else:
    for i in range(N-1):
        ans=ans*A[N-(i+2)]
        if ans > (10**18): break
        if ans == 0: break
    print(ans if ans<=10**18 else -1)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
A=list(map(int,input().split()))
ans=A.pop(0)
for i in A: ans=ans*i
print(ans if ans<=10**18 else -1)

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort()
ans=A.pop(-1)
if 0 in A:
    print(0)
else:
    for i in range(N-1):
        ans=ans*A[N-(i+2)]
        if ans > (10**18): break
        if ans == 0: break
    print(ans if ans<=10**18 else -1)
Buggy python submission (verdict: Runtime Error):
N=int(input())
if N in [2,4,5,7,9]: print(N+str(N)+'hon')
elif N in [0,1,6,8]: print(N+str(N)+'pon')
else: print(N+str(N)+'bon')

Fixed submission:
N=input()
if int(N[len(N)-1]) in [2,4,5,7,9]: print('hon')
elif int(N[len(N)-1]) in [0,1,6,8]: print('pon')
else: print('bon')
Buggy python submission (verdict: Runtime Error):
S=input()
print('ABC' if S='ARC' else 'ARC')

Fixed submission:
S=input()
print('ABC' if S=='ARC' else 'ARC')
Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
H=list(map(int,input().split()))
l=[0]*N
nice=0
for i in range(M):
    A,B=map(int,input().split())
    A-=1
    B-=1
    if l[A] == 0:
        l[A] = B
        nice += 1
    elif H[l[A]] < H[B]:
        l[A] = B
    if l[B]==0:
        l[B] = 0.5
print(nice+l.count(0))

Fixed submission:
N,M=map(int,input().split())
H=list(map(int,input().split()))
l=[1]*N
for i in range(M):
    A,B=map(int,input().split())
    A-=1
    B-=1
    if H[A] <= H[B]:
        l[A] = 0
    if H[A] >= H[B]:
        l[B] = 0
print(l.count(1))
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
A=list(map(int,input().split()))
for i in range(N):
    print(A.count(i+1))

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort(key=int)
l=0
for i in range(N):
    c=0
    while l < len(A) and A[l] == i+1:
        l+=1
        c+=1
    print(c)

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

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort(key=int)
l=0
for i in range(N):
    c=0
    while l < len(A) and A[l] == i+1:
        l+=1
        c+=1
    print(c)

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

Fixed submission:
N=int(input())
A=list(map(int,input().split()))
A.sort(key=int)
l=0
for i in range(N):
    c=0
    while l < len(A) and A[l] == i+1:
        l+=1
        c+=1
    print(c)
Buggy python submission (verdict: Runtime Error):
import math
N,M=map(int,input().split())
def kumiawase(n):
    a=math.factorial(n)
    r=math.factorial(2)
    return a / (r*math.factorial(n-2))
print(int(kumiawase(M)+kumiawase(N)))

Fixed submission:
N,M=map(int,input().split())
print(int(N*(N-1)/2+M*(M-1)/2))
Buggy python submission (verdict: Runtime Error):
K=int(input())
l=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
print(l[K])

Fixed submission:
K=int(input())
l=[1, 1, 1, 2, 1, 2, 1, 5, 2, 2, 1, 5, 1, 2, 1, 14, 1, 5, 1, 5, 2, 2, 1, 15, 2, 2, 5, 4, 1, 4, 1, 51]
print(l[K-1])
Buggy python submission (verdict: Time Limit Exceeded):
N,A,B=map(int,input().split())
ans=0
for i in range(N):
    if (i+1)%(A+B)<=A and (i+1)%(A+B)!=0:
        ans+=1
print(ans)

Fixed submission:
N,A,B=map(int,input().split())
t=N//(A+B)
ans=(t*A)+(min((N%(A+B)),A))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N,A,B=map(int,input().split())
ans,i=0,0
for i in range(N):
    if (i+1)%(A+B)<=A and (i+1)%(A+B)!=0:
        ans+=1
print(ans)

Fixed submission:
N,A,B=map(int,input().split())
t=N//(A+B)
ans=(t*A)+(min((N%(A+B)),A))
print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N,A,B=map(int,input().split())
ans,i=0,0
for i in range(N):
    if (i+1)%(A+B)<=A and (i+1)%(A+B)!=0:
        ans+=1
print(ans)

Fixed submission:
N,A,B=map(int,input().split())
t=N//(A+B)
ans=(t*A)+(min((N%(A+B)),A))
print(ans)
Buggy python submission (verdict: Time Limit Exceeded):
S,Q=input(),int(input())
reverse=0
for i in range(Q):
    T=input().split()
    if T[0]=='1':reverse=0 if reverse else 1
    else:
        if T[1]=='1':
            if reverse:S=S+T[2]
            else:S=T[2]+S
        else:
            if reverse:S=T[2]+S
            else:S=S+T[2]
s=list(S);s.reverse()
print(''.join(s) if reverse else S)

Fixed submission:
S,Q=input(),int(input())
l,r='',''
reverse=0
for i in range(Q):
    T=input().split()
    if T[0]=='1':reverse=0 if reverse else 1
    else:
        if T[1]=='1':
            if reverse:r=r+T[2]
            else:l=T[2]+l
        else:
            if reverse:l=T[2]+l
            else:r=r+T[2]
if reverse:
    s=list(l+S+r);s.reverse()
    print(''.join(s))
else:
    print(l+S+r)
Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
sc=[]
ans=[]
for i in range(M):
    sc.append(list(map(int,input().split())))
    ans.append(0)
for i in sc:
    if ans[i[0]-1] > i[1] or ans[i[0]-1]==0:
        ans[i[0]-1]=i[1]
stack=""
for i in ans:
    stack=stack+str(i)
stack=int(stack)
stack=str(stack)
if len(stack) == N and stack != "0":
    print(stack)
else:
    print(-1)

Fixed submission:
N,M=map(int,input().split())
s,c=[0]*M,[0]*M
for i in range(M):
    s[i],c[i] = map(int,input().split())
for i in range(10**N):
    if len(str(i)) != N:
        pass
    else:
        num=list(str(i))
        ok = True
        for j in range(M):
            if num[s[j]-1] != str(c[j]):
                ok = False
        if ok:
            print(i)
            exit()
print(-1)

Buggy python submission (verdict: Runtime Error):
N,M=map(int,input().split())
sc=[]
ans=[]
for i in range(M):
    sc.append(list(map(int,input().split())))
    ans.append(0)
for i in sc:
    ans[i[0]-1]=i[1]
stack=""
for i in ans:
    stack=stack+str(i)
stack=int(stack)
stack=str(stack)
if len(stack) == N and stack != "0":
    print(stack)
else:
    print(-1)

Fixed submission:
N,M=map(int,input().split())
s,c=[0]*M,[0]*M
for i in range(M):
    s[i],c[i] = map(int,input().split())
for i in range(10**N):
    if len(str(i)) != N:
        pass
    else:
        num=list(str(i))
        ok = True
        for j in range(M):
            if num[s[j]-1] != str(c[j]):
                ok = False
        if ok:
            print(i)
            exit()
print(-1)
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
index=[]
count=[]
for i in range(N):
    inp=input()
    if inp in index:
        count[index.index(inp)]+=1
    else:
        index.append(inp)
        count.append(1)

rank=max(set(count))
o=[]
while rank in count:
    o.append(index.pop(count.index(rank)))
    del count[count.index(rank)]
o.sort()
for i in o:
    print(i)

Fixed submission:
N=int(input())
data={}
for i in range(N):
    name=input()
    if data.get(name) == None:
        data[name]=0
    data[name] += 1
data = sorted(data.items(),key=lambda x:x[1])
if len(data) == 1:
    print(data[-1][0])
else:
    mx=data[-1][1]
    l=[]
    for i in range(N):
        if data[len(data)-i-1][1] == mx:
            l.append(data[len(data)-i-1][0])
        else:
            break
    l.sort()
    for i in l: print(i)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
index=[]
count=[]
for i in range(N):
    inp=input()
    if inp in index:
        count[index.index(inp)]=count[index.index(inp)]+1
    else:
        index.append(inp)
        count.append(1)

rank=set(count)
rank=sorted(rank)[-1]
o=[]
while rank in count:
    o.append(index.pop(count.index(rank)))
    del count[count.index(rank)]
o.sort()
for i in o:
    print(i)

Fixed submission:
N=int(input())
data={}
for i in range(N):
    name=input()
    if data.get(name) == None:
        data[name]=0
    data[name] += 1
data = sorted(data.items(),key=lambda x:x[1])
if len(data) == 1:
    print(data[-1][0])
else:
    mx=data[-1][1]
    l=[]
    for i in range(N):
        if data[len(data)-i-1][1] == mx:
            l.append(data[len(data)-i-1][0])
        else:
            break
    l.sort()
    for i in l: print(i)
Buggy python submission (verdict: Runtime Error):
N,A=int(input()),list(map(int,input().split()))
A=sorted(A,key=int)
l=[0]*(A[-1]+1)
for i in A:
    if l[i]==1:
        print("NO")
        exit()
    else:
        l[i]=1
print("YES")

Fixed submission:
N,A=int(input()),list(map(int,input().split()))
A=sorted(A,key=int)
l=set([])
for i in A:
    if i in l:
        print("NO")
        exit()
    else:
        l.add(i)
print("YES")

Buggy python submission (verdict: Time Limit Exceeded):
N,A=int(input()),list(map(int,input().split()))
b=[]
for i in A:
    if i in b:
        print("NO")
        exit()
    b.append(i)
print("YES")

Fixed submission:
N,A=int(input()),list(map(int,input().split()))
A=sorted(A,key=int)
l=set([])
for i in A:
    if i in l:
        print("NO")
        exit()
    else:
        l.add(i)
print("YES")
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
P=list(map(int,input().split()))
mem=set()
c=0
for i in range(N):
    if i > 0:
        if P[i] <= min(mem):
            c+=1
    else:
        c+=1
    mem.add(P[i])
print(c)

Fixed submission:
N=int(input())
P=list(map(int,input().split()))
mini=(10**5)*2
c=0
for i in range(N):
    if P[i] <= mini:
        mini=P[i]
        c+=1
print(c)
Buggy python submission (verdict: Runtime Error):
#include<iostream>
using namespace std;

int main(){
    char C;
    cin >> C;
    C ++;
    cout << C << "\n";
    return 0;
}

Fixed submission:
C = input()
char = "abcdefghijklmnopqrstuvwxyz"
L = []

for i in range(len(char)):
    L.append(char[i])

print(L[L.index(C)+1])
Buggy python submission (verdict: Runtime Error):
inp = input().split(" ")
takahashi = int(inp[0])
aoki = int(inp[1])
K = int(inp[2])

for i in range(K):
    if takahashi > 0 :
        takahashi = takahashi -1
    elif aoki > 0 :
        aoki = aoki-1

print(str(takahashi) + " " + str(aoki))

Fixed submission:
inp = str(input()).split(" ")
print(inp[1]+inp[0])

Buggy python submission (verdict: Runtime Error):
a = input()
b = input()

print(a+b)

Fixed submission:
inp = str(input()).split(" ")
print(inp[1]+inp[0])
Buggy python submission (verdict: Runtime Error):
N,S=int(input()),input()
a,b='',''
if N%2==0:
    for i in range(int(N/2)):
        a = a+S[i]
        b = S[len(S)-(i+1)]+b
    print('Yes' if a==b else: 'No')
else:
    print(No)

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

b1,b2="",""

if N%2==1:
    print("No")
    exit()
else:
    for i in range(int(N/2)):
        b1=b1+S[i]
        b2=S[(len(S)-1)-i]+b2
if b1==b2:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
N,S=int(input()),input()
a,b='',''
if N%2==0:
    for i in range(int(N/2)):
        a = a+S[i]
        b = S[len(S)-1]+b
    print('Yes' if a==b else: 'No')
else:
    print(No)

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

b1,b2="",""

if N%2==1:
    print("No")
    exit()
else:
    for i in range(int(N/2)):
        b1=b1+S[i]
        b2=S[(len(S)-1)-i]+b2
if b1==b2:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
L=list(map(int,input().split()))
ans=0
c=[0]*1001
for i in L:c[i]+=1
for i in range(1000):c[i+1]=c[i]+c[i+1]
for i in range(N-1):
    for j in range(i+1,N):
        l,r=abs(L[i]-L[j]),min(L[i]+L[j]-1,1000)
        s=c[r]-c[l]
        if l<L[i] and L[i]<=r:s-=1
        if l<L[j] and L[j]<=r:s-=1
        ans+=max(s,0)
print(ans//3)

Fixed submission:
N=int(input())
L=list(map(int,input().split()))
ans=0
c=[0]*1001
for i in L:c[i]+=1
for i in range(1000):c[i+1]=c[i]+c[i+1]
for i in range(N-1):
    for j in range(i+1,N):
        l,r=abs(L[i]-L[j]),min(L[i]+L[j]-1,1000)
        ans+=c[r]-c[l]
        if l<L[i] and L[i]<=r:ans-=1
        if l<L[j] and L[j]<=r:ans-=1
print(ans//3)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
L=list(map(int,input().split()))
ans=0
c=[0]*1001
for i in L:c[i]+=1
for i in range(1000):c[i+1]=c[i]+c[i+1]
for i in range(N):
    for j in range(i+1,N):
        l,r=abs(L[i]-L[j]),min(L[i]+L[j]-1,1000)
        s=c[r]-c[l]
        if l<L[i] and L[i]<=r:s-=1
        if l<L[j] and L[j]<=r:s-=1
        ans+=max(s,0)
print(ans//3)

Fixed submission:
N=int(input())
L=list(map(int,input().split()))
ans=0
c=[0]*1001
for i in L:c[i]+=1
for i in range(1000):c[i+1]=c[i]+c[i+1]
for i in range(N-1):
    for j in range(i+1,N):
        l,r=abs(L[i]-L[j]),min(L[i]+L[j]-1,1000)
        ans+=c[r]-c[l]
        if l<L[i] and L[i]<=r:ans-=1
        if l<L[j] and L[j]<=r:ans-=1
print(ans//3)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
L=list(map(int,input().split()))
ans=0
c=[0]*1001
for i in L:c[i]+=1
for i in range(1000):c[i+1]=c[i]+c[i+1]
for i in range(N):
    for j in range(N):
        if i!=j:
            l,r=abs(L[i]-L[j]),min(L[i]+L[j]-1,1000)
            s=c[r]-c[l]
            if l<L[i] and L[i]<=r:s-=1
            if l<L[j] and L[j]<=r:s-=1
            ans+=max(s,0)
print(ans//6)

Fixed submission:
N=int(input())
L=list(map(int,input().split()))
ans=0
c=[0]*1001
for i in L:c[i]+=1
for i in range(1000):c[i+1]=c[i]+c[i+1]
for i in range(N-1):
    for j in range(i+1,N):
        l,r=abs(L[i]-L[j]),min(L[i]+L[j]-1,1000)
        ans+=c[r]-c[l]
        if l<L[i] and L[i]<=r:ans-=1
        if l<L[j] and L[j]<=r:ans-=1
print(ans//3)
Buggy python submission (verdict: Runtime Error):
S=input()
l=['Sunny','Cloudy','Rainy']
print(l[l.index(S)+1])

Fixed submission:
S=input()
l=['Sunny','Cloudy','Rainy']
print(l[l.index(S)+1] if S!= 'Rainy' else 'Sunny')
Buggy python submission (verdict: Time Limit Exceeded):
L,R=map(int,input().split())
R=min(R,L+4038)
ans=2020
for i in range(L,R+1):
    for j in range(L,R+1):
        if i!=j: ans=min(ans,(i*j)%2019)
print(ans)

Fixed submission:
L,R=map(int,input().split())
R=min(R,L+4038)
ans=2020
for i in range(L,R+1):
    for j in range(L,R+1):
        if i!=j: ans=min(ans,(i*j)%2019)
print(ans)
Buggy python submission (verdict: Runtime Error):
import math
def lcm(n,m): return n*m//math.gcd(n,m)
A,B,C,D=map(int,input().split())
print(((B-A)-(((B-A)//C)+((B-A)//D)))+((B-A)//lcm(C,D)))

Fixed submission:
import fractions
a,b,c,d=map(int,input().split())
g=fractions.gcd(c,d)
l=c*d//g
print(b-b//c-b//d+b//l-(a-1-(a-1)//c-(a-1)//d+(a-1)//l))