qyliang/CodeNanoFix huggingface dataset:
Buggy code:
# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
import sys
from collections import Counter, defaultdict, deque
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from functools import lru_cache, reduce
from itertools import combinations, combinations_with_replacement, product, permutations
from operator import add, mul, sub

sys.setrecursionlimit(100000)
input = sys.stdin.readline
INF = 2**62-1

def read_int():
    return int(input())


def read_int_n():
    return list(map(int, input().split()))


def read_float():
    return float(input())


def read_float_n():
    return list(map(float, input().split()))


def read_str():
    return input().strip()


def read_str_n():
    return list(map(str, input().split()))


def error_print(*args):
    print(*args, file=sys.stderr)


def mt(f):
    import time

    def wrap(*args, **kwargs):
        s = time.time()
        ret = f(*args, **kwargs)
        e = time.time()

        error_print(e - s, 'sec')
        return ret

    return wrap


@mt
def slv(N):
    if N % 2 == 1:
        return 1

    n = N // 2
    i = 5
    c = 0
    ans = 0
    while i < n:
        c += 1
        ans += n // i
        i *= 5
    return ans


def main():
    N = read_int()
    print(slv(N))


if __name__ == '__main__':
    main()


Fixed code:
# -*- coding: utf-8 -*-
import bisect
import heapq
import math
import random
import sys
from collections import Counter, defaultdict, deque
from decimal import ROUND_CEILING, ROUND_HALF_UP, Decimal
from functools import lru_cache, reduce
from itertools import combinations, combinations_with_replacement, product, permutations
from operator import add, mul, sub

sys.setrecursionlimit(100000)
input = sys.stdin.readline
INF = 2**62-1

def read_int():
    return int(input())


def read_int_n():
    return list(map(int, input().split()))


def read_float():
    return float(input())


def read_float_n():
    return list(map(float, input().split()))


def read_str():
    return input().strip()


def read_str_n():
    return list(map(str, input().split()))


def error_print(*args):
    print(*args, file=sys.stderr)


def mt(f):
    import time

    def wrap(*args, **kwargs):
        s = time.time()
        ret = f(*args, **kwargs)
        e = time.time()

        error_print(e - s, 'sec')
        return ret

    return wrap


@mt
def slv(N):
    if N % 2 == 1:
        return 0

    n = N // 2
    i = 5
    ans = 0
    while i <= n:
        ans += n // i
        i *= 5
    return ans


def main():
    N = read_int()
    print(slv(N))


if __name__ == '__main__':
    main()
Buggy code:
n = int(input())
result = 0
if n % 2 == 0:
  n = n // 2
  a = 5
  while (n // a) > 0:
    result += n // a
    a *= 5
    result += n // a
print(result)

Fixed code:
n = int(input())
result = 0
if n % 2 == 0:
  n = n // 2
  a = 5
  while (n // a) > 0:
    result += n // a
    a *= 5
  result += n // a
print(result)
Buggy code:
N=int(input())
if N<5 or N%2==1:
  print(0)
else:
  N=N/2
  flag=0
  while(N>=5):
    N=int(N//5)
    flag+=N//1
    print(N//1)
  print(int(flag//1))

Fixed code:
N=int(input())
if N<5 or N%2==1:
  print(0)
else:
  N=N//2
  flag=0
  while(N>=5):
    N=int(N//5)
    flag+=N
  print(int(flag//1))
Buggy code:
import sys
sys.setrecursionlimit(10 ** 5 + 10)
def input(): return sys.stdin.readline().strip()

def resolve():
    
    n=int(input())
    
    if n%2==1:
        print(0)
    else:
        N=n//2
        cnt=0
        while N>=1:
            cnt+=N//5
            N/=5
        print(int(cnt))
        



    
resolve()

Fixed code:
import sys
sys.setrecursionlimit(10 ** 5 + 10)
def input(): return sys.stdin.readline().strip()

def resolve():
    
    n=int(input())
    
    if n%2==1:
        print(0)
    else:
        N=n//2
        cnt=0
        while N>=5:
            cnt+=N//5
            N//=5
        print(int(cnt))
        



    
resolve()
Buggy code:
N = int(input())
if N%2==1:
    print(0)
    quit()

x = N
fives = 0
i = 0
while x:
    if i % 2 == 1:
        i +=1
        continue
    i += 1
    x //= 5
    fives += x
    #print(x, fives)
fives //= 2
print(fives)

Fixed code:
N = int(input())
if N%2==1:
    print(0)
    quit()

x = N
fives = 0
while x:
    x //= 5
    fives += (x//2)
    # print(x, fives)
    
print(fives)
Buggy code:
n = int(input())
cnt = 0
x = len(str(n))

if n % 2 == 1:
  print(0)
else:
  for i in range(1,x+1):
        cnt += n//((5**i)* 2)


print(cnt)

Fixed code:
n = int(input())
cnt = 0
x = len(str(n))

if n % 2 == 1:
  print(0)
  exit()
else:
  for i in range(1,26):
    cnt += n//((5**i)* 2)


print(cnt)
Buggy code:
n = int(input())
cnt = 0
x = len(str(n))

if n % 2 == 1:
  print(0)
else:
  for i in range(1,26):
        cnt += n//((5**i)* 2)


print(cnt)


Fixed code:
n = int(input())
cnt = 0
x = len(str(n))

if n % 2 == 1:
  print(0)
  exit()
for i in range(1,26):
  cnt += n//((5**i)* 2)


print(cnt)
Buggy code:
n=int(input())
ans=0
if n % 2==1:
    for i in range(1,19):
        waru = 2*5**i
        if n < waru:
            break
        else:
            tmp = n/waru
            ans += int(tmp)
print(str(ans))

Fixed code:
n=int(input())
ans=0
if n % 2==0:
    for i in range(1,10000):
        waru = 2*5**i
        if n < waru:
            break
        else:
            tmp = n//waru
            ans += tmp
print(str(ans))
Buggy code:
N=int(input())
if N%2==0:
  n=int(N/2)
  k=1
  c=0
  while 5**k <= n:
    c=c+int(n/5**k)
    k=k+1
  print(c+1)
else:
  print(0)

Fixed code:
N=int(input())
if N%2==0:
  n=N//2
  k=1
  c=0
  while 5**k <= n:
    c=c+n//5**k
    k=k+1
  print(c)
else:
  print(0)
Buggy code:
N = int(input())

if N%2==1:
  print(ans)
else:
  cnt = 0
  NN = (N//10)*10
  for i in range(25):
    cnt += NN//((5**(i+1))*2)
  print(cnt)

Fixed code:
N = int(input())

if N%2==1:
  print(0)
else:
  cnt = 0
  NN = (N//10)*10
  for i in range(25):
    cnt += NN//((5**(i+1))*2)
  print(cnt)
Buggy code:
import math
N = int(input())
ans = 0
if N == 0 or N % 2 == 1:
    ans = 0
else:
    # means N >= 2 and even
    digN = round( math.log(N , 10) )

    i = 1
    while i <= digN:
        ans +=  ( N // ( 10 ** i ) )
        i += 1

print(ans)

Fixed code:
import math
N = int(input())
ans = 0
if N == 0 or N % 2 == 1:
    ans = 0
else:
    # means N >= 2 and even
    digN = round( math.log(N , 5) )

    i = 1
    while i <= digN:
        ans +=  ( N //( 5 ** i * 2 ) )
        i += 1

print(ans)
Buggy code:
N = int(input())
ans = 0
if N%2 == 0:
    for i in range(10**5):
        if 5**(i+1) > N:
            break
        ans += int((N)//5**(i+1))
    print(ans)
else:
    print(0)


Fixed code:
N = int(input())
ans = 0
if N%2 == 0:
    for i in range(10**5):
        if 5**(i+1) > N:
            break
        ans += int(N//(5**(i+1)*2))
    print(ans)
else:
    print(0)
Buggy code:
N = int(input())

if N % 2 == 1:
    print(0)
else:
    n = 0
    i = 1
    while True:
        n += N // 10**i
        if N < 10**i:
            break
        i += 1
    print(n)


Fixed code:
N = int(input())

if N % 2 == 1:
    print(0)
else:
    n = 0
    i = 1
    while True:
        if N < 2*5**i:
            break
        n += (N // 5**i // 2)
        i += 1
    print(n)
Buggy code:
n = int(input())
if n % 2 == 1:
    print(0)
    exit()

ans = 0
for i in range(1, 20):
    count = n // (5**i * 2)
    if count == 0:
        break
    ans += count

print(ans)

Fixed code:
n = int(input())
if n % 2 == 1:
    print(0)
    exit()

ans = 0
for i in range(1, 100):
    count = n // (5**i * 2)
    if count == 0:
        break
    ans += count

print(ans)
Buggy code:
import sys

stdin = sys.stdin

ri = lambda: int(rs())
rl = lambda: list(map(int, stdin.readline().split()))  # applies to only numbers
rs = lambda: stdin.readline().rstrip()  # ignores trailing space

N = ri()

if N&1:
    print(0)
    exit()

answer = N // 10

while N >= 50:
    answer += 2 * (N // 50)
    N //= 50
print(answer)

Fixed code:
import sys

stdin = sys.stdin

ri = lambda: int(rs())
rl = lambda: list(map(int, stdin.readline().split()))  # applies to only numbers
rs = lambda: stdin.readline().rstrip()  # ignores trailing space

N = ri()

if N&1:
    print(0)
    exit()

answer = N // 10
x = 50
while N >= x:
    answer += (N // x)
    x *= 5
print(answer)
Buggy code:
n = int(input())

ret = 0
waru = 10

if n % 2 == 1:
    print(0)
else:
    while n > waru:
        ret += n // waru
        waru *= 5

print(ret)


Fixed code:
n = int(input())

ret = 0
waru = 10

if n % 2 == 1:
    print(0)
    exit()
else:
    while n >= waru:
        ret += n // waru
        waru *= 5

print(ret)
Buggy code:
import sys
stdin = sys.stdin
import copy

ns = lambda: stdin.readline().rstrip()
ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))

n = ni()
if n % 2 != 0:
    print(0)
else:
    n2 = copy.copy(n)
    n5 = copy.copy(n)
    c2, c5 = 0, 0
    while n2 > 1:
        n2 //= 2
        c2 += n2
    while n5 > 1:
        n5 //= 5
        c5 += n5//2
    print(c2, c5)
    print(min(c2, c5))




Fixed code:
import sys
stdin = sys.stdin
import copy

ns = lambda: stdin.readline().rstrip()
ni = lambda: int(ns())
na = lambda: list(map(int, stdin.readline().split()))

n = ni()
if n % 2 != 0:
    print(0)
else:
    n2 = copy.copy(n)
    n5 = copy.copy(n)
    c2, c5 = 0, 0
    while n2 > 1:
        n2 //= 2
        c2 += n2
    while n5 > 1:
        n5 //= 5
        c5 += n5//2
    print(min(c2, c5))
Buggy code:
n=int(input())
if n%2:
    print(0)
else:
    l=0
    x=n//2
    while x>0:
        l+=n//5
        x=n//5
print(l)

Fixed code:
n = int(input())
if n%2:
  print(0)
else:
  p=n//2
  l=0
  while p>0:
    l+=p//5
    p//=5
  print(l)
Buggy code:
N = int(input())

ans = 0
divisor = 10
if N % 2 == 0:
    while N >= divisor:
        ans += N // divisor
    divisor *= 5
print(ans)

Fixed code:
N = int(input())

ans = 0
divisor = 10
if N % 2 == 0:
    while N >= divisor:
        ans += N // divisor
        divisor *= 5
print(ans)
Buggy code:
N = int(input())
ans = 0

if N % 2 == 1:
    print(0)
else:
    num_10 = N // 10
    ans += num_10
    N = N//10
    while (N >= 1):

        num_5 = N // 5
        ans += num_5
        N = N // 5

print(ans)


Fixed code:
N = int(input())
ans = 0

if N % 2 == 1:
    print(0)
else:
    num_10 = N // 10
    ans += num_10
    N = N//10
    while (N >= 1):

        num_5 = N // 5
        ans += num_5
        N = N // 5

    print(ans)
Buggy code:
n=int(input())
if n%2==1:print(0);exit()
A=0
add=10
while n>=add:
    A +=n//add
    add *=5
print(sum(A))

Fixed code:
n=int(input())
if n%2==1:print(0);exit()
A=0
add=10
while n>=add:
    A +=n//add
    add *=5
print(A)
Buggy code:
n = int(input())
if n % 2 == 1:
    print(0)
else:
    print(sum(n // (2 * 5 ** d) for d in range(1, 18 + 1)))


Fixed code:
n = int(input())
if n % 2 == 1:
    print(0)
else:
    print(sum(n // (2 * 5 ** d) for d in range(1, 25 + 1)))
Buggy code:
def g(N):
    if N%2 == 1:
        return 0
    res = 0
    N/=2
    while N > 1:
        res += N/5
        N /= 5
    return res
print(int(g(int(input()))))

Fixed code:
def g(N):
    if N%2 == 1:
        return 0
    res = 0
    N//=2
    while N >= 5:
        res += N//5
        N //= 5
    return res
print(int(g(int(input()))))
Buggy code:
n = int(input())

chk = False
chk1 = True
bis = 5
ans = 0
if (n % 2 ==1) or (n<10):
    print(0)

else:
    #while chk == False:
    #    if list(str(n))[-1] == "0":
    #        chk = True
    #    else:
    #        n -=2
            
    while n > bis:
        
        ans += n // bis
        bis = bis *5

        
        
    print(ans//2)

Fixed code:
n = int(input())

chk = False
chk1 = True
bis = 5
ans = 0
if (n % 2 ==1) or (n<10):
    print(0)

else:
    #while chk == False:
    #    if list(str(n))[-1] == "0":
    #        chk = True
    #    else:
    #        n -=2
            
    while n > bis:
        
        ans += n // (bis*2)
        bis = bis *5

        
        
    print(ans)
Buggy code:
N = int(input())
ans = 0
if N % 2 == 1:
    print(ans)
else:
    for i in range(1, 20):
        a = N // (2 * (5**i))
        ans += a
        if a == 0:
            break
    print(ans)




Fixed code:
N = int(input())
ans = 0
if N % 2 == 1:
    print(ans)
else:
    for i in range(1, 10000):
        a = N // (2 * (5**i))
        ans += a
        if a == 0:
            break
    print(ans)
Buggy code:
def dobfac(num):
    count = 0
    i = 5
    if num % 2:
        print(0)
    while num / i > 0:
        count += num // i // 2
        i *= 5
    print(count)

if __name__ == "__main__":
    import sys
    in_str = []
    for line in sys.stdin:
        in_str.append(line)
    dobfac(int(in_str[0]))

Fixed code:
def dobfac(num):
    count = 0
    i = 5
    if num % 2:
        print(0)
    else:
        while num / i > 0:
            count += num // i // 2
            i *= 5
        print(count)

if __name__ == "__main__":
    import sys
    in_str = []
    for line in sys.stdin:
        in_str.append(line)
    dobfac(int(in_str[0]))
Buggy code:
N = int(input())

if (N%2 == 1):
    print(0)
elif N == 0:
    print(1)
else:
    N /= 2
    res = 0
    div_coef = 1
    while True:
        # print(N)
        tmp_add = N // (5 ** div_coef)
        res += int(tmp_add)
        div_coef += 1
        print(tmp_add)
        if tmp_add < 1:
            break
    # print(N)
    print(int(res))


Fixed code:
N = int(input())

if (N%2 == 1):
    print(0)
elif N == 0:
    print(0)
else:
    N //= 2
    res = 0
    div_coef = 1
    while True:
        tmp_add = N // (5 ** div_coef)
        res += int(tmp_add)
        div_coef += 1
        # print(int(tmp_add))
        if tmp_add < 1:
            break
    # print(N)
    print(int(res))
Buggy code:
N = int(input())
if N % 2 == 1: 
  print(0)
else:
  k = 25
 
  count = 0
  for i in range(1,25):
    count += int(int(N / (5**(25-i))) / 2)
 
  print(count)

Fixed code:
N = int(input())
if N % 2 == 1: 
  print(0)
else:
  k = 25
 
  count = 0
  for i in range(k):
    count += N // ((5**(k-i)) * 2)
 
  print(count)
Buggy code:
def solve():
    _N = int(input())
    N = _N
    ans = 0
    if N % 2 == 0:
        div = 5
        while N // div > 0:
            ans += N//div
            div *= 5
    print(ans)


solve()


Fixed code:
def solve():
    _N = int(input())
    N = _N
    ans = 0
    if N % 2 == 0:
        div = 10
        while N // div > 0:
            ans += N//div
            div *= 5
    print(ans)


solve()
Buggy code:
N = int(input())
cnt = 0
i = 0
if N%2 == 0:
	cnt = 0
else:
	while N >= 10*(5**i):
		cnt += N//(10*(5**i))
		i += 1
		#print(10*(5**i), N//(10*(5**i)))
print(cnt)

Fixed code:
N = int(input())
cnt = 0
i = 0
if N%2 == 1:
	cnt = 0
else:
	while N >= 10*(5**i):
		cnt += N//(10*(5**i))
		i += 1
		#print(10*(5**i), N//(10*(5**i)))
print(cnt)
Buggy code:
n=int(input())
if n%2==1:
    print(0)
else:
    n=n/2
    five=1
    ans=0
    while n>=5**five:
        ans+=n//(5**five)
        five+=1
    print(int(ans))

Fixed code:
n=int(input())
if n%2==1:
    print(0)
else:
    n=n//2
    five=1
    ans=0
    while n>=(5**five):
        ans+=(n//(5**five))
        five+=1
    print(ans)
Buggy code:
n=int(input())
ans=0
if n%2==1:
  print(0)
else:
  n=n//2
  for i in range(1,50):
    ans+=(n//(5**i))
    print((n//(5**i)))
  print(int(ans))

Fixed code:
n=int(input())
ans=0
if n%2==1:
  print(0)
else:
  n=n//2
  for i in range(1,50):
    ans+=(n//(5**i))
  print(int(ans))
Buggy code:
n=int(input())
if n%2==1:
  print(0)
else:
  c=0
  x=5
  while x<=n:
    c+=n//x
    x*=5
  print(c)

Fixed code:
n=int(input())
if n%2==1:
  print(0)
else:
  n//=2
  c=0
  x=5
  while x<=n:
    c+=n//x
    x*=5
  print(c)
Buggy code:
N = int(input())
if N % 2 == 1:
    print(0)
else:
    cnt = 0
    for i in range(0,30):
        tmp = 10*(5**i)
        a = N // tmp
        print(tmp,a)
        cnt += a

    print(cnt)

Fixed code:
N = int(input())
if N % 2 == 1:
    print(0)
else:
    cnt = 0
    for i in range(0,30):
        tmp = 10*(5**i)
        a = N // tmp
        cnt += a

    print(cnt)
Buggy code:
import math
def main():
	N = int(input())
	P = int(math.log(N,5))
	ans = 0
	if N%2 == 1:
		print(0)
	else:
		ans = [int((N/2)/int(pow(5,p))) for p in range(P)]
		print(sum(ans)+1)

if __name__ == '__main__':
	main()

Fixed code:
import math
def main():
	N = int(input())
	if N%2 == 1 or N==0:
		print(0)
	else:
		N = N//2
		P = int(math.log(N,5))
		ans = [ N//(5**p) for p in range(1,P+1)]
		print(sum(ans))

if __name__ == '__main__':
	main()
Buggy code:
n = int(input())

p = 5
tmp = 0
n //= 2

while n > 1:
    tmp += n // p
    n = n // p

if n % 2 == 0:
    print(tmp)
else:
    print(0)

Fixed code:
n = int(input())

p = 5
tmp = 0
o = n
n //= 2

while n > 1:
    tmp += n // p
    n = n // p

if o % 2 == 0:
    print(tmp)
else:
    print(0)
Buggy code:
n = int(input())
if n % 2 == 1:
    print(0)
else:
    p = 1
    t = 10
    while t <= n:
        p += 1
        t *= 10
    s = 0
    
    for i in range(1,p):
        s += n // (10 ** i)
    print(s)

Fixed code:
n = int(input())
if n % 2 == 1:
    print(0)
else:
    p = 1
    t = 5
    n //= 2
    while t <= n:
        p += 1
        t *= 5
    s = 0
    
    for i in range(1,p):
        s += n // (5 ** i)
    print(s)
Buggy code:
import math
N = int(input())

ans = 101

if N%2==1:ans=0
else:
    for i in range(int(math.log(N,5))):
        ans += N//(5**(i+1)*2)
print(ans)

Fixed code:
import math
N = int(input())

ans = 0

if N%2==1:ans=0
else:
    for i in range(int(math.log(N+1,5))):
        ans += N//(5**(i+1)*2)
print(ans)
Buggy code:
N=int(input())

if N%2==1:
    print(1)
    exit()
elif N==0:
    print(1)
    exit()

L=len(str(N))
ans=0
now=5
while N//now>0:
    ans+=((N//now)//2)
    now*=5
print(ans)


Fixed code:
N=int(input())

if N%2==1:
    print(0)
    exit()
elif N==0:
    print(0)
    exit()

L=len(str(N))
ans=0
now=5
while N//now>0:
    ans+=((N//now)//2)
    now*=5
print(ans)
Buggy code:
n=int(input())
if n%2==1:
    print(0)
else:#2,4,6,8,10...
    n=round(n/2)
    k=0
    while n>0:
        k+=round(n/5)
        n=round(n/5)
    print(k)


Fixed code:
n=int(input())
if n%2==1:
    print(0)
else:#2,4,6,8,10...
    n=(n//2)
    k=0
    while n>0:
        k+=(n//5)
        n=(n//5)
    print(k)
Buggy code:
n = int(input())
if n%2 != 0:
    print(0)
else:
    ans = 0
    dum = 5
    while n > dum:
        ans += (n//dum)*(1/2)
        dum = dum*5
    print(ans)

Fixed code:
n = int(input())
if n%2 != 0:
    print(0)
else:
    ans = 0
    dum = 5
    while n > dum:
        ans += (n//dum)//2
        dum = dum*5
    print(ans)
Buggy code:
n = int(input())
print(n)
if (n % 2 == 1):
    print(0)
else:
    ans = 0
    d = 10
    while d <= n:
        ans += n // d
        d *= 5
    print(ans)


Fixed code:
n = int(input())
if (n % 2 == 1):
    print(0)
else:
    ans = 0
    d = 10
    while d <= n:
        ans += n // d
        d *= 5
    print(ans)
Buggy code:
N = int(input())
five = 0
i = 0
if N % 2 == 1:
    print(0)
else:
    while True:
        i += 1
        if 2 * (5 ** i) > N:
            break
        else:
            five += N // (2 * (5**i))
print(five)


Fixed code:
N = int(input())
five = 0
i = 0
if N % 2 == 1:
    print(0)
else:
    while True:
        i += 1
        if 2 * (5 ** i) > N:
            break
        else:
            five += N // (2 * (5**i))
if N %2 != 1:
    print(five)
Buggy code:
n = int(input())
if i % 2 == 1:
  print(0)
else:
  i = 10
  ans = 0
  while i <= n:
    ans += n // i
    i *= 5
  print(ans)

Fixed code:
n = int(input())
if n%2==1:
    print(0)
else:
    ans = n//10
    k = 1
    n = n//10
    while 5**k <= n:
        ans += n//(5**k)
        k+=1
    print(ans)
Buggy code:
N = int(input())
count = 0
k = 5

if N % 2 == 0:
    n = (N // 2 // 5) * 5
    while(n > k):
        count += n // k
        k *= 5

print(count)

Fixed code:
N = int(input())
count = 0
k = 5

if N % 2 == 0:
    n = (N // 2 // 5) * 5
    while(n >= k):
        count += n // k
        k *= 5

print(count)
Buggy code:
N = int(input())
if N % 2: print(0)
else:
  ans = 0
  N //= 2
  while n > 0:
    ans += N // 5
    N //= 5
	print(ans)

Fixed code:
N = int(input())
if N % 2:
  print(0)
else:
  ans = 0
  N //= 2
  while N > 0:
    ans += N // 5
    N //= 5
  print(ans)
Buggy code:
def main():
    N=int(input())

    if N%2!=0:
        print(0)
    
    k=10
    ans=0
    while(k<=N):
        ans+=N//k
        k*=5
    print(ans)
    
if __name__=="__main__":
    main()

Fixed code:
def main():
    N=int(input())

    if N%2!=0:
        print(0)
        exit()
    
    k=10
    ans=0
    while(k<=N):
        ans+=N//k
        k*=5
    print(ans)
    
if __name__=="__main__":
    main()
Buggy code:
N = int(input())

if N % 2 != 0:
    print(0)
else:
    ans = N // 10
    for i in range(1, 19):
        ans += N // (5 * 10 ** i)
    print(ans)


Fixed code:
N = int(input())

if N % 2 != 0:
    print(0)
else:
    ans = N // 10
    for i in range(1, 50):
        ans += N // (5 ** i * 10)
    print(ans)
Buggy code:
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
 
p= int(readline())
if p % 2 == 1:
    print(0)
else:
    p //= 2
    ans = 0
    while n:
        p //= 5
        ans += p
    print(ans)

Fixed code:
import sys
import math
import numpy
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
 
p = int(readline())
if p % 2 == 1:
    print(0)
else:
    p //= 2
    ans = 0
    while p:
        p //= 5
        ans += p
    print(ans)
Buggy code:
def two_int():
    N, K = map(int, input().split())
    return N,K

def one_int():
    return int(input())

def one_str():
    return input()

def many_int():
    return list(map(int, input().split()))

N=one_int()

if N%2==0:
    sums =0
    for i in range(1,26):
        sums += (N/2)//(5**i)
    print(int(sums) - N//170000000000000000)
else:
    print(0)

sums =0
for i in range(1,26):
    sums += (N/2)//(5**i)
print(int(sums) - N//170000000000000000)

Fixed code:
def two_int():
    N, K = map(int, input().split())
    return N,K

def one_int():
    return int(input())

def one_str():
    return input()

def many_int():
    return list(map(int, input().split()))

N=one_int()

if N%2==0:
    sums =0
    for i in range(1,26):
        sums += (N//2)//(5**i)
    print(int(sums))
else:
    print(0)
Buggy code:
N = int(input())

import sys
if N & 1:
    print(0)
    sys.exit()

ans = 0
N /= 2
while N != 0:
    ans += N // 5
    N /= 5

print(ans)

Fixed code:
N = int(input())

import sys
if N & 1:
    print(0)
    sys.exit()

ans = 0
N //= 2
while N != 0:
    ans += N // 5
    N //= 5

print(ans)
Buggy code:
def main():
    n = int(input())
    if n%2==0:
        print(0)
        return 
    
    ans = 0
    bunbo = 10
    while bunbo <= n:
        ans += n // bunbo
        bunbo *= 5
    print(ans)


if __name__ == '__main__':
    main()


Fixed code:
def main():
    n = int(input())
    if n%2==1:
        print(0)
        return 
    
    ans = 0
    bunbo = 10
    while bunbo <= n:
        ans += n // bunbo
        bunbo *= 5
    print(ans)
 
 
if __name__ == '__main__':
    main()
Buggy code:
n = int(input())
if n%2 == 0:
  n = n//2
  ans = 0
  k=5
  while k<= n:
    ans += n // k
    k *= 5
    print(ans)
else:
    print(0)

Fixed code:
n = int(input())
if n%2 == 0:
  n = n//2
  ans = 0
  k=5
  while k<= n:
    ans += n // k
    k *= 5
  print(ans)
else:
  print(0)
Buggy code:
import sys

def main():

    # sys.stdin=open('input148e.txt')

    n = int(input())
    c = 0

    if n % 2 == 1:
        print(0)
        exit()

    r = 10
    while r <= n:
        c += n / r
        r = r * 5
    print(c) 

if __name__ == '__main__':
    main()


Fixed code:
import sys

def main():

    # sys.stdin=open('input148e.txt')

    n = int(input())
    c = 0

    if n % 2 == 1:
        print(0)
        exit()

    r = 10
    while r <= n:
        c += n // r
        r = r * 5
    print(c) 

if __name__ == '__main__':
    main()