Harryxun/GPT-100-sft-dataset huggingface dataset:
Problem p02570 (python)

Fixed submission:
import sys,bisect

from sys  import stdin,stdout

from bisect import bisect_left,bisect_right,bisect,insort,insort_left,insort_right

from math import gcd,ceil,floor,sqrt

from collections import Counter,defaultdict,deque,OrderedDict

dx=[-1,1,0,0]
dy=[0,0,1,-1]


sys.setrecursionlimit(10**6)
INF = float('inf')
MOD = 998244353
mod = 10**9+7

def isPrime(n):
    if (n <= 1) :return False
    if (n <= 3) :return True
    if (n%2 == 0 or n%3 == 0):return False
    for i in range(5,ceil(sqrt(n))+1,6):
        if (n%i==0 or n%(i+2)==0):
            return False
    return True

def st():
    return list(stdin.readline().strip())

def inp():
    return int(stdin.readline())

def li():
    return list(map(int,stdin.readline().split()))

def mp():
    return map(int,stdin.readline().split())

def pr(n):
    stdout.write(str(n)+"\n")


def soe(limit):
    l=[1]*(limit+1)
    l[0]=0
    l[1]=0
    prime=[]
    for i in range(2,limit+1):
        if l[i]:
            for j in range(i*i,limit+1,i):
                l[j]=0
    
    for i in range(2,limit+1):
        if l[i]:
            prime.append(i)
    return prime

                
def gcd(a,b):
    while b:
        a=a%b
        b,a=a,b
    return a

def power(a,n):
    r=1
    while n:
        if n&1:
            r=(r*a)
        a*=a
        n=n>>1
    return r
    
def solve():
    d,t,s=mp()
    if s*t>=d:
        print('Yes')
    else:
        print('No')



for _ in range(1):
    solve()

Buggy submission (verdict: Runtime Error):
import sys,bisect

from sys  import stdin,stdout

from bisect import bisect_left,bisect_right,bisect,insort,insort_left,insort_right

from math import gcd,ceil,floor,sqrt

from collections import Counter,defaultdict,deque,OrderedDict

dx=[-1,1,0,0]
dy=[0,0,1,-1]


sys.setrecursionlimit(10**6)
INF = float('inf')
MOD = 998244353
mod = 10**9+7

def isPrime(n):
    if (n <= 1) :return False
    if (n <= 3) :return True
    if (n%2 == 0 or n%3 == 0):return False
    for i in range(5,ceil(sqrt(n))+1,6):
        if (n%i==0 or n%(i+2)==0):
            return False
    return True

def st():
    return list(stdin.readline().strip())

def inp():
    return int(stdin.readline())

def li():
    return list(map(int,stdin.readline().split()))

def mp():
    return map(int,stdin.readline().split())

def pr(n):
    stdout.write(str(n)+"\n")

def CC(d,v,i,l):
    v[i]=True
    stack=[i]
    c=1
    while stack:
        a=stack.pop()
        for i in d[a]:
            if not v[i]:
                stack.append(i)
                v[i]=True
                c+=1
    l.append(c)
    
def solve():
    n,m=mp()
    d={i:[] for i in range(1,n+1)}
    for i in range(m):
        a,b=mp()
        d[a].append(b)
        d[b].append(a)

    v=[False for i in range(n+1)]
    x=[]
    for i in range(1,n+1):
        if not v[i]:
            CC(d,v,i,x)


   
    cd=0
    p=sum(x)
    while p!=0:
        for i in range(len(x)):
            if x[i]>0:
                x[i]-=1
                p-=1
        cd+=1
    pr(cd)
        
        
    
for _ in range(1):
    solve()
Problem p02623 (python)

Fixed submission:
N,M,K=map(int,input().split())
A=list(map(int,input().split()))
B=list(map(int,input().split()))
a=[0]
b=[0]
for i in range(N):
	a.append(a[i] + A[i])
for i in range(M):
	b.append(b[i] + B[i])
ans, j = 0, M
for i in range(N + 1):
	if a[i] > K:
		break
	while b[j] > K - a[i]:
		j -= 1
	ans = max(ans, i + j)
print(ans)

Buggy submission (verdict: Runtime Error):
n=int(input())
l=[0 for i in range(n+1)]
for i in range(1,n+1):
 
    for j in range(i,n+1,i):
 
        l[j]+=1
c=0
for i in range(1,n+1):
    c+=i*l[i]
 
print(c)

Buggy submission (verdict: Runtime Error):
n=int(input())
l=[0]*(n+1)
for i in range(1,n+1):

    for j in range(i,n+1,i):

        l[j]+=1
c=0
for i in range(1,n+1):
    c+=i*l[i]

print(c)
Problem p02819 (python)

Fixed submission:
from sys  import stdin,stdout

import bisect

import math

def st():
    return list(stdin.readline().strip())

def inp():
    return int(stdin.readline())

def li():
    return list(map(int,stdin.readline().split()))

def mp():
    return map(int,stdin.readline().split())

def pr(n):
    stdout.write(str(n)+"\n")

def soe(limit):
    l=[1]*(limit+1)
    prime=[]
    for i in range(2,limit+1):
        if l[i]:
            for j in range(i*i,limit+1,i):
                l[j]=0

    for i in range(2,limit+1):
        if l[i]:
            prime.append(i)
    return prime

def segsoe(low,high):
    limit=int(high**0.5)+1
    prime=soe(limit)
    n=high-low+1
    l=[0]*(n+1)
    for i in range(len(prime)):
        lowlimit=(low//prime[i])*prime[i]
        if lowlimit<low:
            lowlimit+=prime[i]
        if lowlimit==prime[i]:
            lowlimit+=prime[i]
        for j in range(lowlimit,high+1,prime[i]):
            l[j-low]=1
    for i in range(low,high+1):
        if not l[i-low]:
            if i!=1:
                print(i)

def power(a,n):
    r=1
    while n:
        if n&1:
            r=(r*a)
        a*=a
        n=n>>1
    return r

l=soe(10**6 +100)

def solve():
    n=inp()
    a=bisect.bisect_left(l,n)
    
    print(l[a])



for _ in range(1):
    solve()

Buggy submission (verdict: Runtime Error):
from sys  import stdin,stdout

import bisect

import math

def st():
    return list(stdin.readline().strip())

def inp():
    return int(stdin.readline())

def li():
    return list(map(int,stdin.readline().split()))

def mp():
    return map(int,stdin.readline().split())

def pr(n):
    stdout.write(str(n)+"\n")

def soe(limit):
    l=[1]*(limit+1)
    prime=[]
    for i in range(2,limit+1):
        if l[i]:
            for j in range(i*i,limit+1,i):
                l[j]=0

    for i in range(2,limit+1):
        if l[i]:
            prime.append(i)
    return prime

def segsoe(low,high):
    limit=int(high**0.5)+1
    prime=soe(limit)
    n=high-low+1
    l=[0]*(n+1)
    for i in range(len(prime)):
        lowlimit=(low//prime[i])*prime[i]
        if lowlimit<low:
            lowlimit+=prime[i]
        if lowlimit==prime[i]:
            lowlimit+=prime[i]
        for j in range(lowlimit,high+1,prime[i]):
            l[j-low]=1
    for i in range(low,high+1):
        if not l[i-low]:
            if i!=1:
                print(i)

def power(a,n):
    r=1
    while n:
        if n&1:
            r=(r*a)
        a*=a
        n=n>>1
    return r

l=soe(10**5)

def solve():
    n=inp()
    a=bisect.bisect_left(l,n)
    print(l[a])



for _ in range(1):
    solve()
Problem p02577 (python)

Fixed submission:
n = input()
s = sum([int(i) for i in n])
if s%9==0:
    print("Yes")
else: print("No")

Buggy submission (verdict: Runtime Error):
n = input()
s = sum([i for i in n])
if s%9==0:
  print("Yes")
else: print("No")
Problem p02793 (python)

Fixed submission:
# Contest: AtCoder Beginner Contest 152 (https://atcoder.jp/contests/abc152)
# Problem: E: Flatten (https://atcoder.jp/contests/abc152/tasks/abc152_e)

def rint():
    return int(input())


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


from fractions import gcd
from functools import reduce
m = 10**9 + 7
def inv(a):
    return pow(a, m - 2, m)
def mod_lcm(a, b):
    return a * b // gcd(a, b)
n = rint()
a = rints()
l = reduce(mod_lcm, a) % m
print(sum(l * inv(ai) % m for ai in a) % m)

Buggy submission (verdict: Runtime Error):
# Contest: AtCoder Beginner Contest 152 (https://atcoder.jp/contests/abc152)
# Problem: E: Flatten (https://atcoder.jp/contests/abc152/tasks/abc152_e)

def rint():
    return int(input())


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


from math import gcd
from functools import reduce
def lcm(a, b):
    return a * b // gcd(a, b)
n = rint()
a = rints()
l = reduce(lcm, a)
m = 10**9 + 7
print(sum(l // ai % m for ai in a) % m)
Problem p02552 (python)

Fixed submission:
n = int(input())
print(1^n)

Buggy submission (verdict: Runtime Error):
n = int(input())
print(!n)
Problem p02570 (python)

Fixed submission:
#輸入字串並分隔，以list儲存
str_in = input()
num = [int(n) for n in str_in.split()]
num =list(map(int, str_in.strip().split()))  
#print(num) #D,T,S

#若T<(D/S)->遲到
if num[1] > (num[0]/num[2]):
    print("Yes")
elif num[1] == (num[0]/num[2]):
    print("Yes")
else:
    print("No")

Buggy submission (verdict: Runtime Error):
d=input()
t=input()
s=input()

    
    if s*t >= d:
        print ('Yes')
    
    else:
        print ('No')

Buggy submission (verdict: Runtime Error):
d=float(input())
t=float(input())
s=float(input())
    
if (int(d/t)) <= s:
    print ('Yes')
    
else:
    print ('No')

Buggy submission (verdict: Runtime Error):
d=float(input())
t=float(input())
s=float(input())


if (d/t) <= s:
    print ('Yes')
    
else:
    print ('No')
Problem p02577 (python)

Fixed submission:
m = input("")
s = m.split(".")
sum = 0
if len(s) == 1 and int(m)>=0 and int(m)<10**200000:
    for i in m :
        sum = sum+int(i)
    if sum % 9 == 0:
        print("Yes")
    else:
        print("No")

Buggy submission (verdict: Runtime Error):
x = input()
for i in range(5):

    alist = list(map(int,x))
    result = sum(alist)
    x = str(result

if result%9 == 0 :
    print("yes")
else:
    print("no")
Problem p02623 (python)

Fixed submission:
def main():
    line1 = input()
    line2 = input()
    line3 = input()
    n, m, k = list(map(int, line1.split()))
    a = [0] + list(map(int, line2.split()))
    b = [0] + list(map(int, line3.split()))
    mark1, mark2 = 0, 0
    for i in range(1, len(a)):
        a[i] += a[i-1]
        if a[i] > k:
            mark1 = i
            break
    for i in range(1, len(b)):
        b[i] += b[i-1]
        if b[i] > k:
            mark2 = i
            break
    if mark1:
        a = a[:mark1]
    if mark2:
        b = b[:mark2]
    ans = 0
    for i in range(len(a)):
        target = k - a[i]
        tmp = 0
        low, high = 0, len(b)
        while low < high:
            mid = (low + high) // 2
            if b[mid] <= target:
                tmp = mid
                low = mid + 1
            else:
                high = mid - 1
        ans = max(ans, i + tmp)
    print(ans)
    return

if __name__ == "__main__":
    main()

Buggy submission (verdict: Runtime Error):
def get(a: list, b: list, pointer1: int, pointer2: int, k: int):
    # print(pointer1, len(a), pointer2, len(b))
    if pointer1 >= len(a) or pointer2 >= len(b) or a[pointer1] + b[pointer2] > k:
           return 0
    return max(pointer1 + pointer2, get(a, b, pointer1 + 1, pointer2, k), get(a, b, pointer1, pointer2 + 1, k))

def main():
    line1 = input()
    line2 = input()
    line3 = input()
    n, m, k = list(map(int, line1.split()))
    a = [0] + list(map(int, line2.split()))
    b = [0] + list(map(int, line3.split()))
    mark1, mark2 = 0, 0
    for i in range(1, len(a)):
        a[i] += a[i-1]
        if a[i] > k:
            mark1 = i
            break
    for i in range(1, len(b)):
        b[i] += b[i-1]
        if b[i] > k:
            mark2 = i
            break
    if mark1:
        a = a[:mark1]
    if mark2:
        b = b[:mark2]
    book = get(a, b, 0, 0, k)
    print(book)
    return

if __name__ == "__main__":
    main()
Problem p02676 (python)

Fixed submission:
# Take both input K & S, then compare the length of S with K and assign it to length
# If the length is <= K print all
# And if length is >K print some of the character

K = int(input())
S = input()

x = 0

length = len(S)

if length <= K:
    print(S)
else:
    while x < K:
        print(S[x], end=(""))
        x += 1
    print("...")

Buggy submission (verdict: Runtime Error):
a=input() #len input
b=input() #string input
if len(b)>int(a): # if exceed the len given
    print(b[:int(a)],". . .")
else:
    print(c)

Buggy submission (verdict: Runtime Error):

#DECLARE K AND S INPUT
K = int(input())
S = input()

str = S

#if same, no change
#IF bigger plus ...

if lens(S) > K:
       print(str[0:K]+"...")

else:
       print(str)

Buggy submission (verdict: Runtime Error):
#need to use a raw input for one line input because they both defer in data types i.e interger and float
a,b = input().split()
#and then convert them back into respective data types
a=int(a)
b=float(b)
#multiply a and b and then round the answer up before printing
mul=a*b
ans=round(mul)
print(ans)

Buggy submission (verdict: Runtime Error):
#firsts we declare string s and k, if character s is at most with char k, it will print char s, no change
#if s i more than k it
#time cpmlexity 0(1)


k = int(input())
s= input()

str = s

#if same, no change
if lens(s) == k:
                         print(s)

else:
         print (str[0:k] +"...")

Buggy submission (verdict: Runtime Error):

while True:
     k = input()
     if 1 <= int(k) <= 100:
         break;
     print ('Error Invalid Input for K')

#Check constraint for K


while True:
     s = input().lower()
     if 1 <= len(s) <= 100:
         break;
     print ('Error Invalid Input for s')

#Check constraint for S

if len(s) > k:
    print(s[:k] + "...")
else:
    print(s)

Buggy submission (verdict: Runtime Error):
K=int(input())
S= input()

if len(T) < K :
    print(S)

else:
    print (S[0:K]+'...')

Buggy submission (verdict: Runtime Error):
# program to print the new string after performing append operation in the string s "..." 
# if only the character s is more than k but if the character s is at most k
# the output will not change
#first we will define the new string

k =int(input())
s = input()

str = s
dots = "..."
if len(S) == k:
print(S)
elif len(S) > k:
print (str[0:k],"...")

Buggy submission (verdict: Runtime Error):
#input an interget
k=int(input())
#input an string
s=str(input())
#get the length of the string
x=int(len(s))
#get the difference in length between k and s
i=k-x

#if statement about how the string will function
#if the string is the same length as k then print it
if i==0:
    print(s)
#if not, append it
else:
    for i in range(x):
        s=s[0 : i : ] + s[i+1 : : ]
        for i in range(x):
            fix=str('.')
            lenfix=int(len(fix))=x

    print(s.append(fix))
Problem p02699 (python)

Fixed submission:
s,w=map(int,input().split())
if(s>w):print("safe")
else:print("unsafe")

Buggy submission (verdict: Runtime Error):
a, b = [int(a) for a in input().split()]
print("unsafe" if a <= b else "safe")

Buggy submission (verdict: Runtime Error):
Q = int(input())
for i in range(Q):
    S,W=[int(x) for x in input().split()]
    if W >= S:
        print('unsafe')
    else:
        print('safe')
Problem p02711 (python)

Fixed submission:
n = input()

print("Yes" if n.find('7') != -1 else "No")

Buggy submission (verdict: Runtime Error):
temp=list(map(int,input().rstrip().split()))
n=temp[0]
S=temp[1]
summ=0
count=0
while summ<S :
    if (S-summ)>=n :
        summ+=n

        count+=1
    else :
        count+=1
        break
print(count)
Problem p02729 (python)

Fixed submission:
n, m = map(int, input().split())
print((n*(n-1))//2+(m*(m-1))//2)

Buggy submission (verdict: Runtime Error):
import math


def f(x):
    return math.factorial(x)


arr = list(map(int, input().split()))
n = arr[0]
m = arr[1]
cnt = 0
cnt += int(f(n) / (2 * f(n - 2)))
if m > 1:
    cnt += int(f(m) / (2 * f(m - 2)))
print(int(cnt))
Problem p02754 (python)

Fixed submission:
l = input().split()

[n,a,b] = [int(x) for x in l]

if a==b and a==0:
    print(0)
else:
    x = a+b
    y = n//x

    if a == 0:
        print(0)
    else:
        if b == 0:
            print(n)
        else:
            t = n - y*x
            if t > a:
                print(y*a+a)
            else:
                print(y*a+t)

Buggy submission (verdict: Runtime Error):
n, a, b = list(map(int, input().split()))
ans = (n//(a+b)) * a)
ans += n % (a+b) if (n % (a+b)) <= a) else a
print(ans)

Buggy submission (verdict: Runtime Error):
n, a, b = list(map(int, input().split()))
ans = (n//(a+b)) * a)
ans += n % (a+b) if (n % (a+b)) <= a) else a
print()

Buggy submission (verdict: Runtime Error):
S = input()
list_num = S.split(' ')
list_num = map(int, list_num)
N, A, B = list_num

if A+B>N:
  print(N-A-B)
elif A+B=N:
  print(A)

Buggy submission (verdict: Runtime Error):
n=input()
a=input()
b=input()
t=0
i=0
while t<=n:
    if t+a>n:
        i+=n-t
        break
    i+=a
    t+=a
    t+=b
print(i)
Problem p02771 (python)

Fixed submission:
from sys import stdin
import math

if __name__ == '__main__':
	n = stdin.readline()
	n = n.rstrip('\n')
	n = n.split(' ')
	n = [int(i) for i in n]
	n.sort()
	if (n[0] == n[1] and n[1] != n[2]) or (n[0] != n[1] and n[1] == n[2]):
		print('Yes')
	else:
		print('No')

Buggy submission (verdict: Runtime Error):
for case in range (int(input())):
    triple = input().split()
    for i in range (3):
        triple[i] = int(triple[i])
    triple.sort()
    if (triple [0] == triple [2]) :
        print('No')
    elif (triple[0] == triple [1] or triple[1] == triple [2]) :
        print('Yes')
    else:
        print('No')

Buggy submission (verdict: Runtime Error):
a=int(input())
b=int(input())
c=int(input())
if a==b:
    if b==c: 
        print('NO')
    else:
        print('YES')
elif b==c:
    if a==c: 
        print('NO')
    else:
        print('YES')
elif a==c:
    if b==c:
        print('NO')
    else:
        print('YES')
else:
    print('NO')
Problem p02833 (python)

Fixed submission:
p=int(input())
n=p
if n%2 == 0:
    num=10
    c=0;
    while num <= n:
        c += (n//num)
        num *= 5
    print(c)
else:
    print(0)

Buggy submission (verdict: Runtime Error):
ab=int(input())
ll=s(ab)
def s(l):
    if l<2:
        return 1
    else:
        return s(l-2)
a=0
b=1
while(b):
    if(ll%10!=0):
        b=0
    else:
        a=a+1
print(a)

Buggy submission (verdict: Runtime Error):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
 
n = int(readline())
if n % 2 == 1:
    print(0)
else:
    n //= 2
    ans = 0
    while n:
        n //= 5
        ans += n
    print(ans)

Buggy submission (verdict: Runtime Error):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
 a= int(readline())
if a % 2 == 1:
    print(0)
else:
    a //= 2
    ans = 0
    while a:
        a //= 5
        ans += a
    print(ans)

Buggy submission (verdict: Runtime Error):
def findTrailingZeroes(n):
       if(n & 1):
           return 0
       else:
              ans=0
              n //=2
              while(n):
                      ans +=n//5
                      n//=5
               return ans
n=12
print(findTrailingZeroes(n))

Buggy submission (verdict: Runtime Error):
import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines
sys.setrecursionlimit(10 ** 7)
 
n1 = int(readline())
if n1 % 2 == 1:
    print(0)
else:
    n1 //= 2
    ans = 0
    while n:
        n1 //= 5
        ans += n1
    print(ans)

Buggy submission (verdict: Runtime Error):
def doublefactorial(n): 
  
    if (n == 0 or n == 1): 
        return 1; 
    return n * doublefactorial(n - 2); 
  
p=int(input())
print("Double factorial is",  
       doublefactorial(p));

Buggy submission (verdict: Runtime Error):
def factorial(n): 
    return 1 if (n==1 or n==0) else n *factorial(n-2);  
  
num = int(input())
print(factorial(num))

Buggy submission (verdict: Runtime Error):
def fact(x):
    if x<2:
        return 1
    else:
        return x*fact(x-2)
        
facto = str(fact(int(input())))
count=0
for x in range(len(facto)-1,-1,-1):
    if facto[x]=="0":
        count+=1 
    else:
        break
    
print(count)

Buggy submission (verdict: Runtime Error):
nt(input())
if n%2 == 0:
    num=10
    c=0;
    while num <= n:
        c += (n//num)
        num *= 5
    print(c)
else:
    print(0)
Problem p02835 (python)

Fixed submission:
a1, a2, a3 = map(int, input().split())
if 1 <= a1 <= 13 and 1 <= a2 <= 13 and 1 <= a3 <= 13:
    if a1 + a2 + a3 >= 22:
        print('bust')
    else:
        print('win')

Buggy submission (verdict: Runtime Error):
inp = input().split()

input().split() == "2 5 7" == ["2", "5","7"]

A = int(inp[0])
B = int(inp[1])
C = int(inp[2])

if A + B + C >= 22:
	print("bust")
else:
	print("win")

Buggy submission (verdict: Runtime Error):
inp = input().split()

input().split() == "2 5" == ["2", "5",]

A = int(inp[0])
B = int(inp[1])
C = int(inp[3])

if A + B + C >= 22:
	print("bust")
else:
	print("win")
Problem p02836 (python)

Fixed submission:
s = input()
res = 0
for i in range(len(s)//2):
    res += int(s[i] != s[len(s)-i-1])
print(res)

Buggy submission (verdict: Runtime Error):
from sys import stdin
from collections import deque
from math import sqrt, floor, ceil, log, log2, log10, pi, gcd, sin, cos, asin


def ii(): return int(stdin.readline())


def fi(): return float(stdin.readline())


def mi(): return map(int, stdin.readline().split())


def fmi(): return map(float, stdin.readline().split())


def li(): return list(mi())


def lsi():
    x=list(stdin.readline())
    x.pop()
    return x


def si(): return stdin.readline()


def sieve(x):
    a=[True]*(x+1)
    sq=floor(sqrt(x))
    for i in range(3, sq+1, 2):
        if a[i]:
            for j in range(i*i, x+1, i):
                a[j]=False
    if x>1:
        p=[2]
    else:
        p=[]
    for i in range(3, x+1, 2):
        if a[i]:
            p.append(i)
    return p
#vowel={'a', 'e', 'i', 'o', 'u', 'y', 'A', 'E', 'I', 'O', 'U', 'Y'}
#pow=[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576, 2097152, 4194304, 8388608, 16777216, 33554432, 67108864, 134217728, 268435456, 536870912, 1073741824, 2147483648, 4294967296, 8589934592, 17179869184, 34359738368, 68719476736, 137438953472, 274877906944, 549755813888, 1099511627776, 2199023255552, 4398046511104, 8796093022208, 17592186044416, 35184372088832, 70368744177664, 140737488355328, 281474976710656, 562949953421312, 1125899906842624, 2251799813685248, 4503599627370496, 9007199254740992, 18014398509481984, 36028797018963968, 72057594037927936, 144115188075855872, 288230376151711744, 576460752303423488, 1152921504606846976, 2305843009213693952, 4611686018427387904, 9223372036854775808]
############# CODE STARTS HERE #############
a=lsi()
s, e=0, len(a)-1
c=0
while s<e:
    if a[s]!=a[e]:
        c+=1
    s+=1
    e-=1
print(c)

Buggy submission (verdict: Runtime Error):
s = input().rstrip()
l = len(s)
half_len = int(l/2)

if l%2 != 0:
	s = s.replace(s[half_len], "")
	fst_half = s[:half_len]
	snd_half = s[half_len:]
else:
	fst_half = s[:half_len]
	snd_half = s[half_len:]

snd_half = snd_half[::-1]

count = 0
for i in range(half_len):
	if(snd_half[i] != fst_half[i]):
		count += 1

print(count)
Problem p02860 (python)

Fixed submission:
n = int(input())
s = input()

if(n%2 == 1):
    print("No")
else:
    flag = False
    for i in range(n//2):
        if(s[i] != s[i+n//2]):
            flag = True
            print("No")
    
    if(flag == False):
        print("Yes")

Buggy submission (verdict: Runtime Error):
N=int(input())
S=input()
if (N%2!=0):
    print('No')
else:
    a1=S[:N/2]
    a2=S[N/2:]
    if (a1==a2):
        print('Yes')
Problem p02879 (python)

Fixed submission:
entrada = input().split();
numeros =[int(entrada[0]),int(entrada[1])] 
if(numeros[0]>=1 and numeros[0]<=9 and numeros[1]>=1 and numeros[1]<=9):
	print(numeros[0]*numeros[1])
else:
	print(-1)

Buggy submission (verdict: Runtime Error):
s = raw_input()
    n = int(raw_input())

    a,b = s.split(' ')
    a,b = int(a),int(b)

    if a <= 9 and a >=1 and (1 <= b <= 9):
        return a * b
    else:
        return -1

Buggy submission (verdict: Runtime Error):
A=variable
B=variable_2
A=1
B=1
C=A*B
while A and B <= 9;
	print(A*B)
	A=A+1
	B=B+1
print(C)

Buggy submission (verdict: Runtime Error):
A=variable
B=variable_2
A=1
B=1
while A and B <= 9;
	print(A*B)
	A=A+1
	B=B+1

Buggy submission (verdict: Runtime Error):
a=variable
b=variable_2
a=9
b=9
if a*b=81;
	print("81")
else;
	print("-1")