Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
a = input() # 500
b = input() # 100
c = input() # 50
x = input() # objecive

counter = 0
for use_a in range(a+1):
  if 500*use_a > x:
    continue
  rest = x - 500*use_a
  for use_b in range(b+1):
    if 100*use_b > rest:
      continue
    rest = rest - 100*use_b
    for use_c in range(c+1):
      if 50*use_c != rest:
        continue
      counter += 1

print(counter)


Fixed submission:
a = int(input())  # 500
b = int(input())  # 100
c = int(input())  # 50
x = int(input())  # objecive

counter = 0
for use_a in range(a + 1):
    if 500 * use_a > x:
        continue
    rest = x - 500 * use_a
    for use_b in range(b + 1):
        if 100 * use_b > rest:
            continue
        rest_c = rest - 100 * use_b
        for use_c in range(c + 1):
            if 50 * use_c != rest_c:
                continue
            counter += 1

print(counter)
Buggy python submission (verdict: Runtime Error):
import numpy as np
ab = input().split(" ")
print(np.round(np.mean(int(ab[0]), int(ab[1]))))

Fixed submission:
import numpy as np
ab = input().split(" ")
print(int(np.ceil(np.mean([int(ab[0]), int(ab[1])]))))
Buggy python submission (verdict: Runtime Error):
n=int(input())
a=list(map(int,input().split()))

ans=0
while all(i%2==0 for i in a):
    ans+=1
    for j in range(n):
        a[j]//=2
print(ans)

Fixed submission:
in_str = input()
count = 0
for ch in in_str:
  if ch == "1":
    count += 1
print(count)

Buggy python submission (verdict: Runtime Error):
n = input()
a_list = input().split(" ")

def count_divide(number, max_cnt=-1):
  count = 0
  mod = -1
  while mod != 1:
    q, mod = divmod(number, 2)
    if mod == 1:
      return count
    count += 1
    if max_cnt != -1 and count >= max_cnt:
      return max_cnt
    number = q
  return count

result = -1
for a in a_list:
  result = count_divide(int(a), result)
print(result)


Fixed submission:
in_str = input()
count = 0
for ch in in_str:
  if ch == "1":
    count += 1
print(count)

Buggy python submission (verdict: Runtime Error):
n = input()
a_list = input().split(" ")

def count_divide(number, max_cnt=-1):
  count = 0
  mod = -1
  while mod != 1:
    q, mod = divmod(number, 2)
    if mod == 1:
      return count
    count += 1
    if max_cnt != -1 and count >= max_cnt:
      return max_cnt
    number = q
  return count

result = -1
for a in a_list:
  result = count_divide(int(a), result)
print(result)


Fixed submission:
in_str = input()
count = 0
for ch in in_str:
  if ch == "1":
    count += 1
print(count)

Buggy python submission (verdict: Runtime Error):
n = input()
a_list = input().split(" ")

def count_divide(number, max_cnt=0):
  count = 0
  mod = -1
  while mod != 1:
    q, mod = divmod(number, 2)
    if mod == 1:
      return count
    count += 1
    if max_cnt != 0 and count >= max_cnt:
      return max_cnt
    number = q
  return count

result = 0
for a in a_list:
  result = count_divide(int(a), result)
print(result)


Fixed submission:
in_str = input()
count = 0
for ch in in_str:
  if ch == "1":
    count += 1
print(count)
Buggy python submission (verdict: Runtime Error):
n = input()
a_list = input().split(" ")

def count_divide(number, max_cnt=-1):
  count = 0
  mod = -1
  while mod != 0:
    q, mod = divmod(number)
    count += 1
    if max_cnt != -1 & count >= max_cnt:
      return max_cnt
  return count

result = -1
for a in a_list:
  result = count_divide(int(a), result)
print(result)


Fixed submission:
n = input()
nums = [int(i) for i in input().split(" ")]

def is_even(num_list):
  for num in num_list:
    if num % 2 != 0:
      return False
  return True

counter = 0
while(is_even(nums)):
  counter += 1
  nums = [n/2 for n in nums]
print(counter)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
al = list(map(int, input().split()))
q = int(input())
bl = []
cl = []
for i in range(q):
    b,c = map(int, input().split())
    bl.append(b)
    cl.append(c)

shoki = sum(al)
for i in range(q):
    b = bl[i]
    c = cl[i]
    for i,youso in enumerate(al):
        if youso == b:
            ali = al[i]
            al[i] = c
            shoki += c - ali
    print(shoki)


Fixed submission:
n = int(input())
al = list(map(int, input().split()))
q = int(input())
bl = []
cl = []
for i in range(q):
    b,c = map(int, input().split())
    bl.append(b)
    cl.append(c)

shoki = sum(al)

dic = {}
for i in al:
    if i in dic:
        dic[i] += 1
    else:
        dic[i] = 1


for i in range(q):
    b = bl[i]
    c = cl[i]
    if b in dic:
        bcount = dic.pop(b)
    else:
        bcount = 0
    if c in dic:
        dic[c] += bcount
    else:
        dic[c] = bcount
    shoki += (c - b)*bcount
    print(shoki)

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
al = list(map(int, input().split()))
q = int(input())
bl = []
cl = []
for i in range(q):
    b,c = map(int, input().split())
    bl.append(b)
    cl.append(c)

shoki = sum(al)
for i in range(q):
    b = bl[i]
    c = cl[i]
    kaisu = al.count(b)
    al = [c if i == b else i for i in al]
    tasu = kaisu * (c - b)
    shoki += tasu
    print(shoki)


Fixed submission:
n = int(input())
al = list(map(int, input().split()))
q = int(input())
bl = []
cl = []
for i in range(q):
    b,c = map(int, input().split())
    bl.append(b)
    cl.append(c)

shoki = sum(al)

dic = {}
for i in al:
    if i in dic:
        dic[i] += 1
    else:
        dic[i] = 1


for i in range(q):
    b = bl[i]
    c = cl[i]
    if b in dic:
        bcount = dic.pop(b)
    else:
        bcount = 0
    if c in dic:
        dic[c] += bcount
    else:
        dic[c] = bcount
    shoki += (c - b)*bcount
    print(shoki)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
al = list(map(int, input().split()))
ansl = [0]*n

for i,youso in enumerate(al):
    for j in range(n):
        if i == j:
            continue
        else:
            ansl[j] ^= youso 


print(' '.join(map(str, ansl)))

Fixed submission:
from functools import reduce
n = int(input())
al = list(map(int, input().split()))
ansl = [0]*n
test_list = al
  
# printing original list 

  
# List XOR 
# Using reduce() + lambda + "^" operator 
res = reduce(lambda x, y: x ^ y, test_list) 
  
# printing result  
sum = res
for i in range(n):
    ansl[i] = res^al[i]

"""
for i,youso in enumerate(al):
    for j in range(n):
        if i == j:
            continue
        else:
            ansl[j] ^= youso 

"""
print(' '.join(map(str, ansl)))
Buggy python submission (verdict: Runtime Error):
x,n = map(int, input().split())
p = list(map(int, input().split()))
ab = min(abs(101 - x),abs(x+1))
for i in range(1,101):
    if i in p:
        continue
    else:
        if ab > abs(x - i):
            ab = abs(x - i)
            answer = i
print(answer)

Fixed submission:
x,n = map(int, input().split())
p = list(map(int, input().split()))
ab = min(abs(101 - x),abs(x))
if abs(101 - x) >= abs(x):
    answer = 0
else:
    answer = 101
for i in range(1,101):
    if i in p:
        continue
    else:
        if ab > abs(x - i):
            ab = abs(x - i)
            answer = i
        elif ab == abs(x-i) and answer > i:
            answer = i
print(answer)
Buggy python submission (verdict: Time Limit Exceeded):

def main():
    n = int(input())
    array = list(map(int, input().split()))
    ans = 1
    for i in range(n):
        ans *= array[i]
        re = 10 ** 18

    
    if ans > re:
        print(-1)
    else:
        print(ans)
    return 0
        
main()

Fixed submission:
def main():
    n = int(input())
    array = list(map(int, input().split()))
    ans = 1
    re = 10 ** 18
    for i in range(n):
        if array[i] == 0:
            print(0)
            return 0
    for i in range(n):
        ans *= array[i]
        if ans > re:
            print(-1)
            return 0
    print(ans)
    return 0
        
main()
Buggy python submission (verdict: Runtime Error):
t = input()
for i in t:
    if i == '?':
        t[i] = 'D'

print(t)

Fixed submission:
t = input()
t = t.replace('?','D')
print(t)
Buggy python submission (verdict: Runtime Error):
n = int(input())
s = input()
count = 0
for i in range(n):
    if s[i] == 'A' and s[i + 1] == 'B' and s[i + 2] == 'C':
        count += 1

print(count)

Fixed submission:
n = int(input())
s = input()
count = 0
for i in range(n-2):
    if s[i] == 'A' and s[i + 1] == 'B' and s[i + 2] == 'C':
        count += 1

print(count)

Buggy python submission (verdict: Runtime Error):
n = int(input())
s = input()
count = 0
for i in range(n):
    if s[i] == 'A' and s[i + 1] == 'B' and s[i + 2] == 'C':
        count += 1

print(count)

Fixed submission:
n = int(input())
s = input()
count = 0
for i in range(n-2):
    if s[i] == 'A' and s[i + 1] == 'B' and s[i + 2] == 'C':
        count += 1

print(count)
Buggy python submission (verdict: Time Limit Exceeded):
from sys import exit
import math
x,y = map(int, input().split())
seppen = x + y
def combinations_count(n, r):

    return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))
if seppen%3 != 0:
    print(0)
    exit()
else:
    dan = seppen/3
    gen_y = seppen/3
    kyori = y - gen_y
    if kyori < 0 or kyori > dan:
        print(0)
    else:
        print(combinations_count(dan, kyori)%(10**9+7))

Fixed submission:
from sys import exit
import math
x,y = map(int, input().split())
seppen = x + y

def cmb(n, r, mod):
    if ( r<0 or r>n ):
        return 0
    r = min(r, n-r)
    return g1[n] * g2[r] * g2[n-r] % mod


if seppen%3 != 0:
    print(0)
    exit()
else:
    dan = int(seppen/3)
    kyori = y - dan

    mod = 10**9+7 #出力の制限
    N = dan
    g1 = [1, 1] # 元テーブル
    g2 = [1, 1] #逆元テーブル
    inverse = [0, 1] #逆元テーブル計算用テーブル

    for i in range( 2, N + 1 ):
        g1.append( ( g1[-1] * i ) % mod )
        inverse.append( ( -inverse[mod % i] * (mod//i) ) % mod )
        g2.append( (g2[-1] * inverse[-1]) % mod )
    if kyori < 0 or kyori > dan:
        print(0)
    else:
        a = cmb(dan,kyori,mod)
        print(a)
Buggy python submission (verdict: Time Limit Exceeded):
n,k,q = map(int, input().split())
nl = [k]*n

a = []
for i in range(q):
    a.append(int(input()))
for j in a:
    nl = list(map(lambda x: x - 1, nl))
    nl[j-1] += 1
for k in range(n):
    if nl[k] > 0:
        print("Yes")
    else:
        print("No")

Fixed submission:
n,k,q = map(int, input().split())
nl = [k - q]*n
a = []
for i in range(q):
    a.append(int(input()))
for j in a:
    nl[j-1] += 1
for k in range(n):
    if nl[k] > 0:
        print("Yes")
    else:
        print("No")
Buggy python submission (verdict: Time Limit Exceeded):
n,m = map(int, input().split())
a = list(map(int, input().split()))
for i in range(m):
    index = a.index(max(a))
    a[index] //= 2
print(sum(a))


Fixed submission:
import heapq
n,m = map(int, input().split())
a = list(map(int, input().split()))
hq = []
for j in range(n):
    aa = a[j] * -1
    heapq.heappush(hq, aa)
for i in range(m):
    maxim = heapq.heappop(hq) * -1
    maxim //= 2
    maxim *= -1
    heapq.heappush(hq, maxim)
print(-1 * sum(hq))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = []
for i in range(n):
    ss = ''.join(sorted(input()))
    s.append(ss)

count = 0
for i in range(n-1):
    for j in range(i+1,n):
        if s[i] == s[j]:
            count += 1

print(count)


Fixed submission:
n = int(input())
s = []
for i in range(n):
    ss = ''.join(sorted(input()))
    s.append(ss)

from collections import Counter
d = Counter(s)

count = 0
for s in d.values():
    if s > 1:
        count += s/2*(s-1) 


print(int(count))

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
s = []
for i in range(n):
    s.append(input())

from collections import Counter
 
def verify_anagrams(first_word, second_word):
    def get_counter(s):
        return Counter(s.upper().replace(' ', ''))
 
    return get_counter(first_word) == get_counter(second_word)
count = 0
for i in range(n-1):
    for j in range(i+1,n):
        if verify_anagrams(s[i], s[j]) == True:
            count += 1

print(count)


Fixed submission:
n = int(input())
s = []
for i in range(n):
    ss = ''.join(sorted(input()))
    s.append(ss)

from collections import Counter
d = Counter(s)

count = 0
for s in d.values():
    if s > 1:
        count += s/2*(s-1) 


print(int(count))
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
l = []
for i in range(n):
    a = int(input())
    l.append(a)
M = max(l)
for i in range(n):
    if M == l[i]:
         print(sorted(l)[-2])
    else:
        print(M)

    

Fixed submission:
n = int(input())
l = []
for i in range(n):
    a = int(input())
    l.append(a)
M = max(l)
m = sorted(l)[-2]
for i in range(n):
    if M == l[i]:
         print(m)
    else:
        print(M)
Buggy python submission (verdict: Time Limit Exceeded):
n, k = map(int,input().split())
a = input().split()
ls = []
times = 1

for j in range(0,(n-k)+1):
    for i in range(j,j+k):
        times *= int(a[i])
    ls.append(times)
    times = 1

for x in range(len(ls)-1):
    if ls[x] < ls[x+1]:
        print('Yes')
    else:
        print('No')

Fixed submission:
n, k = map(int,input().split())
a = list(map(int,input().split()))
for i in range(n-k):
    if a[i] < a[i+k]:
        print('Yes')
    else:
        print('No')
Buggy python submission (verdict: Runtime Error):
a = list(map(int,input().split()))

for i in range(a[0,a[1]+1]):
    if i % a[2] == 0:
        counter += 1
print(counter)

Fixed submission:
a = list(map(int,input().split()))
counter = 0

for i in range(a[0],a[1]+1):
    if i % a[2] == 0:
        counter += 1
print(counter)
Buggy python submission (verdict: Time Limit Exceeded):
a = int(input())
counter = 0

for n in range(1,a+1):
    for xi in range(1,n):
        for yi in range(1,n):
            for zi in range(1,n):
                if xi**2 + yi**2 + zi**2 + xi*yi + yi*zi + zi*xi == n:
                    counter += 1
                    break
    print(counter)
    counter = 0

Fixed submission:
a = int(input())

x = [0] * (a+1)
for xi in range(1,101):
    for yi in range(1,101):
        for zi in range(1,101):
            result = xi**2 + yi**2 + zi**2 + xi*yi + yi*zi + zi*xi
            if result <= a:
                x[result] += 1 
for i in range(1, a+1):
    print(x[i])

Buggy python submission (verdict: Time Limit Exceeded):
a = int(input())
counter = 0

for n in range(1,a+1):
    for xi in range(1,n):
        for yi in range(1,n):
            for zi in range(1,n):
                if xi**2 + yi**2 + zi**2 + xi*yi + yi*zi + zi*xi == n:
                    counter += 1
                    break
    print(counter)
    counter = 0

Fixed submission:
a = int(input())

x = [0] * (a+1)
for xi in range(1,101):
    for yi in range(1,101):
        for zi in range(1,101):
            result = xi**2 + yi**2 + zi**2 + xi*yi + yi*zi + zi*xi
            if result <= a:
                x[result] += 1 
for i in range(1, a+1):
    print(x[i])
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
list = []

for ni in range(1,n+1):
    if ni ** 2 <= n:
        if n % ni == 0:
            list.append(max(len(str(ni)),len(str(n//ni))))
print(min(list))

Fixed submission:
#abc057c
n = int(input())
list = []

for ni in range(1,n+1):
    if ni * ni <= n:
        if n % ni == 0:
            list.append(max(len(str(ni)),len(str(n//ni))))
    else:
        break
print(min(list))
Buggy python submission (verdict: Time Limit Exceeded):
x = (10**9)+7
n = int(input())
val = 0
lst = list(map(int,input().split()))
for i in range(len(lst)):
    lst[i] = lst[i]%x
for i in range(n-1):
    for j in range(i+1,n):
        val += ((lst[i])*(lst[j]))
print(val%x)

Fixed submission:
n = int(input())
arr = list(map(int,input().split()))
su = sum(arr)
c = 0
for item in arr:
  c+= item*item
print(((su**2 - c)//2)%(10**9 + 7))

Buggy python submission (verdict: Time Limit Exceeded):

x = (10**9)+7
n = int(input())
val = 0
lst = list(map(int,input().split()))
for value in lst:
    value = value%x
for i in range(n-1):
    for j in range(i+1,n):
        val += (lst[i]*lst[j])
        val = val%x
print(val)

Fixed submission:
n = int(input())
arr = list(map(int,input().split()))
su = sum(arr)
c = 0
for item in arr:
  c+= item*item
print(((su**2 - c)//2)%(10**9 + 7))

Buggy python submission (verdict: Time Limit Exceeded):

x = (10**9)+7
n = int(input())
val = 0
lst = list(map(int,input().split()))
for i in range(n-1):
    for j in range(i+1,n):
        val += (lst[i]*lst[j])
        val = val%x
print(val)

Fixed submission:
n = int(input())
arr = list(map(int,input().split()))
su = sum(arr)
c = 0
for item in arr:
  c+= item*item
print(((su**2 - c)//2)%(10**9 + 7))
Buggy python submission (verdict: Runtime Error):
n = int(input())
if n%2==0 or n%5==0:
  print(-1)
else:
  a = 7
  flag = 0
  while flag==0:
    if a%n==0:
      print(count+1)
      flag = 1
    else:
      count+=1
      a = a*10
      a = a+7
      a = a%n

Fixed submission:
k=int(input())
n=7
for i in range(k+1):
    if n%k==0:
        print(i+1)
        exit()
    n=(10*n+7)%k
print(-1)

Buggy python submission (verdict: Runtime Error):
n = int(input())
if n%2==0 or n%5==0:
  print(-1)
else:
  a = 7
  flag = 0
  while flag==0:
    if a%n==0:
      print(count)
      flag = 1
    else:
      count+=1
      a = a*10
      a = a+7
      a = a%n

Fixed submission:
k=int(input())
n=7
for i in range(k+1):
    if n%k==0:
        print(i+1)
        exit()
    n=(10*n+7)%k
print(-1)
Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
arr = list(map(int,input().split()))
t = int(input())
su = 0
while t:
    t-=1
    k,r = map(int,input().split())
    p = arr.count(k)
    su = sum(arr)-sum([k]*p)+sum([r]*p)
    arr = list(filter((k).__ne__, arr))
    arr.extend([r]*p)
    print(su)

Fixed submission:
n = int(input())
arr = list(map(int, input().split()))
su = sum(arr)
lst = [0]*100001
q = int(input())
for i in arr:
    lst[i] += 1
for _ in range(q):
    b, c = map(int, input().split())
    su += (c - b) * lst[b]
    print(su)
    lst[c] += lst[b]
    lst[b] = 0

Buggy python submission (verdict: Time Limit Exceeded):
n = int(input())
arr = list(map(int,input().split()))
t = int(input())
while t:
    t-=1
    k,r = map(int,input().split())
    for i in range(n):
        if arr[i] == k:
            arr[i]=r
    print(sum(arr))

Fixed submission:
n = int(input())
arr = list(map(int, input().split()))
su = sum(arr)
lst = [0]*100001
q = int(input())
for i in arr:
    lst[i] += 1
for _ in range(q):
    b, c = map(int, input().split())
    su += (c - b) * lst[b]
    print(su)
    lst[c] += lst[b]
    lst[b] = 0
Buggy python submission (verdict: Runtime Error):
from Decimal import *
a,b = map(Decimal,input().split())
print(int(a*b))

Fixed submission:
from decimal import *
a,b = map(Decimal,input().split(' '))
print(int(a*b))
Buggy python submission (verdict: Time Limit Exceeded):
string = list(input())
inp = string
n = int(input())
flag = 1
for i in range(n):
    j = input().split()
    if len(j) == 3 and j[1] == "1" and flag == 1:
        inp.insert(0,j[2])
    elif len(j) == 3 and j[1] == "2" and flag == 1:
        inp.append(j[2])
    elif len(j) == 3 and j[1] == "2" and flag == -1:
        inp.insert(0,j[2])
    elif len(j) == 3 and j[1] == "1" and flag == -1:
        inp.append(j[2])
    else:
        flag *= -1
if flag == -1:
    inp = inp[::-1]
s = ""
for j in inp:
    s = s + j
print(s)


Fixed submission:
s=list(input())
q=int(input())
c=0
left=[]
right=[]
for i in range(q):
    s1=input()
    if s1[0]=='1':
        c+=1
    else:
        if s1[2] == '1':
            if c % 2 == 0:
                left.append(s1[4])
            else:
                right.append(s1[4])
        else:
            if c % 2 == 0:
                right.append(s1[4])
            else:
                left.append(s1[4])
left=left[::-1]
left.extend(s)
left.extend(right)
if c%2==0:
    print(''.join(left))
else:
    left=left[::-1]
    print(''.join(left))

Buggy python submission (verdict: Time Limit Exceeded):
string = list(input())
n = int(input())
while n:
    n-=1
    inp = input().split()
    if inp[0]=='1':
        string =string[::-1]
    else:
        if inp[1]=='1':
            string.insert(0,inp[2])
        else:
            string.append(inp[2])
s=''
for i in range(len(string)):
    s+=string[i]
print(s)

Fixed submission:
s=list(input())
q=int(input())
c=0
left=[]
right=[]
for i in range(q):
    s1=input()
    if s1[0]=='1':
        c+=1
    else:
        if s1[2] == '1':
            if c % 2 == 0:
                left.append(s1[4])
            else:
                right.append(s1[4])
        else:
            if c % 2 == 0:
                right.append(s1[4])
            else:
                left.append(s1[4])
left=left[::-1]
left.extend(s)
left.extend(right)
if c%2==0:
    print(''.join(left))
else:
    left=left[::-1]
    print(''.join(left))
Buggy python submission (verdict: Runtime Error):
X,N = map(int,input().split())
p = [int(i) for i in input().split()]
if N==0:
    print(X)
else:
    pN=[]
    for j in range(N):
        pj = p[j]-X
        pN.append(pj)
    pN.sort()
    p0 = pN[0]-1
    p1 = pN[N-1]+1
    list_p = list(range(p0,p1+1,1))
    result = list(set(list_p)-set(pN))
    k0 = abs(result[0])
    for k in result:
        k1 = abs(k)
        if k1<k0:
            k0 = k1
for l in result:
    if l == (-1)*k0:
        print(X-k0)
        break
else:
    print(X+k0)

Fixed submission:
X,N = map(int,input().split())
p = [int(i) for i in input().split()]
if N==0:
    print(X)
else:
    pN=[]
    for j in range(N):
        pj = p[j]-X
        pN.append(pj)
    pN.sort()
    p0 = pN[0]-1
    p1 = pN[N-1]+1
    list_p = list(range(p0,p1+1,1))
    result = list(set(list_p)-set(pN))
    k0 = abs(result[0])
    for k in result:
        k1 = abs(k)
        if k1<k0:
            k0 = k1
    cnt = 0
    for l in result:
        if l == (-1)*k0:
            cnt+=1
    if cnt==0:
        print(X+k0)
    else:
        print(X-k0)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = [int(i) for i in input().split()]
A1 = 1
for j in range(N):
    A1 *= A[j]
if A1>10**18:
    print(-1)
else:
    print(A1)

Fixed submission:
N = int(input())
A = [int(i) for i in input().split()]
A1 = 1
if 0 in A:
    print(0)
else:    
    for j in range(N):
        A1 *= A[j]
        if A1>10**18:
            print(-1)
            break
    else:
        print(A1)
Buggy python submission (verdict: Runtime Error):
N = int(input())
S = input()
if N%2==1:
    print('No')
else:
    for i in range(N//2):
        S1 += S[i]
    for j in range(N//2,N):
        S2 += S[j]
    if S1==S2:
        print('Yes')
    else:
        print('No')

Fixed submission:
N = int(input())
S = input()
S1 = ''
S2 = ''
if N%2==1:
    print('No')
else:
    for i in range(N//2):
        S1 += S[i]
    for j in range(N//2,N):
        S2 += S[j]
    if S1==S2:
        print('Yes')
    else:
        print('No')
Buggy python submission (verdict: Time Limit Exceeded):
import math
N=int(input())
i=int(math.sqrt(N))
while(True):
    if N%i==0:
        S=i+N//i-2
        print(S)
        break
    i+=1

Fixed submission:
import math
N=int(input())
n=int(math.sqrt(N))
S=0
for i in range(1,n+1):
    if N%i==0:
        s=i+N//i-2
        if S==0:
            S=s
        elif S>=s:
            S=s
print(S)

Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
i=1
while(True):
    if i**2>=N:
        break
    i+=1
while(True):
    if N%i==0:
        S=i+N//i-2
        print(S)
        break
    i+=1

Fixed submission:
import math
N=int(input())
n=int(math.sqrt(N))
S=0
for i in range(1,n+1):
    if N%i==0:
        s=i+N//i-2
        if S==0:
            S=s
        elif S>=s:
            S=s
print(S)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
list = []
for i in range(1,N+1):
    if N%i==0:
        list.append(i)
listnum = len(list)
list2 = []
for j in range(listnum):
    S = list[j]+list[listnum-1-j]-2
    list2.append(S)
print(min(list2))

Fixed submission:
import math
N=int(input())
n=int(math.sqrt(N))
S=0
for i in range(1,n+1):
    if N%i==0:
        s=i+N//i-2
        if S==0:
            S=s
        elif S>=s:
            S=s
print(S)