qyliang/CodeNanoFix huggingface dataset:
Buggy code:
n, k = map(int, input().split())
modulo = 10 ** 9 + 7
*arr, = map(int, input().split())
inverses = [pow(v, modulo - 2, modulo) for v in arr]
neg_cnt = 0
for v in arr:
    if v < 0:
        neg_cnt += 1

def min_pos(arr):
    pass


print(neg_cnt, n)
if neg_cnt == n:
    res = 1
    arr.sort(reverse=True)
    for i in range(k):
        res *= arr[i]
        res %= modulo
    print(res)
elif k == n:
    res = 1
    for v in arr:
        res *= v
        res %= modulo
    print(res)
else:
    pos = []
    neg = []
    for i, v in enumerate(arr):
        if v < 0:
            neg.append(i)
        else:
            pos.append(i)

    neg.sort(key=lambda v: abs(arr[i]), reverse=True)
    pos.sort(key=lambda v: abs(arr[i]), reverse=True)

    if k % 2:
        res = arr[pos[0]] % modulo
        i = 1
    else:
        res = 1
        i = 0
    j = 0
    while i + j < k and (i < len(pos) - 1 or j < len(neg) - 1):
        if j >= len(neg) - 1 or i < len(pos) - 1 and arr[pos[i]] * arr[pos[i + 1]] > arr[neg[j]] * arr[neg[j + 1]]:
            res *= arr[pos[i]]
            res *= arr[pos[i + 1]]
            i += 2
        else:
            res *= arr[neg[j]]
            res *= arr[neg[j + 1]]
            j += 2
        res %= modulo
    while i + j < k:
        res *= arr[pos[i]]
        i += 1

    print(res)




Fixed code:
n, k = map(int, input().split())
modulo = 10 ** 9 + 7
*arr, = map(int, input().split())
inverses = [pow(v, modulo - 2, modulo) for v in arr]
neg_cnt = 0
for v in arr:
    if v < 0:
        neg_cnt += 1

def min_pos(arr):
    pass


if k == n:
    res = 1
    for v in arr:
        res *= v
        res %= modulo
    print(res)
elif neg_cnt == n and k % 2 == 1:
    res = 1
    arr.sort(reverse=True)
    for i in range(k):
        res *= arr[i]
        res %= modulo
    print(res)
else:
    pos = []
    neg = []
    for i, v in enumerate(arr):
        if v < 0:
            neg.append(i)
        else:
            pos.append(i)

    neg.sort(key=lambda v: abs(arr[v]), reverse=True)
    pos.sort(key=lambda v: abs(arr[v]), reverse=True)


    if k % 2:
        res = arr[pos[0]]
        i = 1
    else:
        res = 1
        i = 0
    j = 0
    while i + j < k and (i < len(pos) - 1 or j < len(neg) - 1):
        if j >= len(neg) - 1 or i < len(pos) - 1 and arr[pos[i]] * arr[pos[i + 1]] > arr[neg[j]] * arr[neg[j + 1]]:
            res *= arr[pos[i]]
            res *= arr[pos[i + 1]]
            i += 2
        else:
            res *= arr[neg[j]]
            res *= arr[neg[j + 1]]
            j += 2
        res %= modulo

    while i + j < k:
        res *= arr[pos[i]]
        i += 1
        res %= modulo

    print(res)
Buggy code:
n, k = [int(x) for x in input().strip().split(" ")]
p = 10**9 + 7

num_list = [int(x) for x in input().strip().split(" ")]
num_list = sorted(num_list, reverse = True)
ans = 1
l_idx = 0
r_idx = -1

while True:
  if k >= 2:
    l_prod = num_list[l_idx] * num_list[l_idx+1]
    r_prod = num_list[r_idx] * num_list[r_idx-1]
    if l_prod >= r_prod:
      ans *= l_prod % p
      ans %= p
      l_idx +=2
      k -= 2
    else:
      ans *= r_prod % p
      ans %= p
      r_idx +=2
      k -= 2
  elif k == 1:
    ans *= num_list[l_idx] % p
    ans %= p
    break
  else:
    break
        
if num_list[0] < 0 and k % 2 == 1:
  ans = 1
  for i in range(k):
    ans *= num_list[i]
    ans %= p

print(ans)


Fixed code:
n, k = [int(x) for x in input().strip().split(" ")]
p = 10**9 + 7

num_list = [int(x) for x in input().strip().split(" ")]
num_list = sorted(num_list, reverse = True)

ans = 1
l_idx = 0
r_idx = -1

if num_list[0] < 0 and k % 2 == 1:
  for i in range(k):
    ans = (ans * num_list[i]) % p
else:
  while True:
    if k >= 2:
      l_prod = num_list[l_idx] * num_list[l_idx+1]
      r_prod = num_list[r_idx] * num_list[r_idx-1]
      if l_prod >= r_prod:
        ans = (ans * num_list[l_idx]) % p
        l_idx +=1
        k -= 1
      else:
        ans = (ans * r_prod) % p
        r_idx -=2
        k -= 2
    elif k == 1:
      ans = (ans * num_list[l_idx]) % p
      ans %= p
      break
    else:
      break

print(ans)
Buggy code:
import sys
input = sys.stdin.readline
mod = int(1e9+7)
n,k = map(int,input().split())
L=list(map(int,input().split()))

ans = 1
if k==n:
    for i in L
        ans*=i
        ans%=mod
    print(ans%mod)
    sys.exit()
pos = []
neg = []
for i in L:
    if i>=0:
        pos.append(i)
    else:
        neg.append(i)
pos.sort(reverse=True)
if neg!=[]:
    neg.sort()
if len(pos) == 0 and k%2:
    for i in range(1,k+1):
        ans*=neg[-i]
        ans%=mod
    print(ans%mod)
    sys.exit()
if k%2:
    ans*=pos.pop(0)
    k-=1
l=[]
for i in range(1,len(pos),2):
    l.append(pos[i]*pos[i-1])

for i in range(1,len(neg),2):
    l.append(neg[i]*neg[i-1])
l.sort(reverse = True)

for i in range(k//2):
    ans*=l[i]
    ans%=mod

print(ans%mod)


Fixed code:
import sys
input = sys.stdin.readline
mod  = int(1e9+7)

n,k = map(int,input().split())
L = list(map(int,input().split()))
ans = 1 
if k==n:
    for i in L:
        ans*=i
        ans%=mod
    print(ans%mod)
    sys.exit()

pos = []
neg = []
for i in L:
    if i>=0:
        pos.append(i)
    else:
        neg.append(i)

pos.sort(reverse=True)
neg.sort()

if len(pos) == 0 and k%2!=0:
    for i in range(1,k+1):
        ans *= neg[-i]
        ans %= mod
    print(ans%mod)
    sys.exit()

if k%2!=0:
    ans*=pos.pop(0)
    k-=1

l=[]
for i in range(1,len(pos),2):
    l.append(pos[i]*pos[i-1])
    
for i in range(1,len(neg),2):
    l.append(neg[i]*neg[i-1])

l.sort(reverse = True)
for i in range(k//2):
    ans *= l[i]
    ans %= mod
print(ans%mod)
Buggy code:
import sys
def input(): return sys.stdin.readline().strip()
def mapint(): return map(int, input().split())
sys.setrecursionlimit(10**9)

N, K = mapint()
As = list(mapint())
mod = 10**9+7

pos = []
neg = []
for a in As:
    if a>=0:
        pos.append(a)
    else:
        neg.append(a)
pos.sort(reverse=True)
neg.sort(reverse=True)
ans = 1
lenp, lenn = len(pos), len(neg)
if (lenp+lenn)==K:
    for a in As:
        ans *= a
        ans %= mod
    print(ans)
elif lenn==0:
    for i in range(K):
        ans *= pos[i]
        ans %= mod
    print(ans)
elif lenp==0:
    if K%2==0:
        for i in range(K):
            ans *= neg[i]
            ans %= mod
        print(ans)
    else:
        for i in range(K-1, -1, -1):
            ans *= neg[i]
            ans %= mod
        print(ans)        
else:
    cur = 0
    p, n = 0, 0
    while p+n+1<K:
        if p+2<=lenp and n+2<=lenn:
            if pos[p]*pos[p+1]>=neg[n]*neg[n+1]:
                ans *= pos[p]
                p += 1
            else:
                ans *= neg[n]*neg[n+1]
                n += 2
        elif n+2<=lenn:
            ans *= neg[n]*neg[n+1]
            n += 2
        else:
            ans *= pos[p]
            p += 1
        ans %= mod
    if p+n<K:
        ans *= pos[p+1]
        ans %= mod
    print(ans)

Fixed code:
import sys
def input(): return sys.stdin.readline().strip()
def mapint(): return map(int, input().split())
sys.setrecursionlimit(10**9)

N, K = mapint()
As = list(mapint())
mod = 10**9+7

pos = []
neg = []
for a in As:
    if a>=0:
        pos.append(a)
    else:
        neg.append(a)
pos.sort(reverse=True)
neg.sort()
ans = 1
lenp, lenn = len(pos), len(neg)
if (lenp+lenn)==K:
    for a in As:
        ans *= a
        ans %= mod
    print(ans)
elif lenn==0:
    for i in range(K):
        ans *= pos[i]
        ans %= mod
    print(ans)
elif lenp==0:
    if K%2==0:
        for i in range(K):
            ans *= neg[i]
            ans %= mod
        print(ans)
    else:
        neg = neg[::-1]
        for i in range(K):
            ans *= neg[i]
            ans %= mod
        print(ans)        
else:
    p, n = 0, 0
    while p+n+1<K:
        if p+2<=lenp and n+2<=lenn:
            if pos[p]*pos[p+1]>=neg[n]*neg[n+1]:
                ans *= pos[p]
                p += 1
            else:
                ans *= neg[n]*neg[n+1]
                n += 2
        elif n+2<=lenn:
            ans *= neg[n]*neg[n+1]
            n += 2
        else:
            ans *= pos[p]
            p += 1
        ans %= mod
    if p+n<K:
        ans *= pos[p]
        ans %= mod
    print(ans)
Buggy code:
MOD = 10**9+7
N, K = map(int, input().split())
*A, = map(int, input().split())

allm = True
for a in A:
    if a > 0:
        allm = False
        break

if N == K:
    ans = 1
    for a in A:
        ans = (ans*a) % MOD
    print(ans)
elif allm and K % 2 == 1:
    A.sort()
    A.reverse()
    ans = 1
    for a in A[:K]:
        ans = (ans*a) % MOD
    print(ans)
else:
    p, m = [], []
    for a in A:
        if a > 0:
            p.append(a)
        if a < 0:
            m.append(-a)
    p.sort(key=lambda k: -k)
    m.sort(key=lambda k: -k)

    pi, mi = 0, 0
    ans = 1
    while K > 0:
        if K == 1:
            ans = (ans*p[pi]) % MOD
            break
        elif pi < len(p)-1 or mi < len(m)-1:
            pv, mv = 0, 0
            if pi < len(p)-1:
                pv = p[pi]*p[pi+1]
            if mv < len(m)-1:
                mv = m[mi]*m[mi+1]
            print(pv, mv)
            if pv > mv:
                ans = (ans*pv) % MOD
                pi += 2
            else:
                ans = (ans*mv) % MOD
                mi += 2
            K -= 2
        else:
            ans = 0
            break
    print(ans)


Fixed code:
MOD = 10**9+7
N, K = map(int, input().split())
*A, = map(int, input().split())

allm = True
for a in A:
    if a > 0:
        allm = False
        break

if N == K:
    ans = 1
    for a in A:
        ans = (ans*a) % MOD
    print(ans)
elif allm and K % 2 == 1:
    A.sort()
    A.reverse()
    ans = 1
    for a in A[:K]:
        ans = (ans*a) % MOD
    print(ans)
else:
    p, m = [], []
    for a in A:
        if a > 0:
            p.append(a)
        if a < 0:
            m.append(-a)
    p.sort(key=lambda k: -k)
    m.sort(key=lambda k: -k)

    pi, mi = 0, 0
    ans = 1
    while K > 0:
        if K == 1:
            ans = (ans*p[pi]) % MOD
            break
        elif pi < len(p)-1 or mi < len(m)-1:
            pv, mv = 0, 0
            if pi < len(p)-1:
                pv = p[pi]*p[pi+1]
            if mi < len(m)-1:
                mv = m[mi]*m[mi+1]

            if pv > mv:
                ans = (ans*pv) % MOD
                pi += 2
            else:
                ans = (ans*mv) % MOD
                mi += 2
            K -= 2
        else:
            ans = 0
            break
    print(ans)
Buggy code:
from string import ascii_lowercase
from functools import reduce
from operator import mul
n = int(input())
S = input()
mod = 10**9 + 7
print(reduce(lambda x, y: x*y % mod, S.count(c)+1 for c in ascii_lowercase))

Fixed code:
from string import ascii_lowercase
from functools import reduce
from operator import mul
n = int(input())
S = input()
mod = 10**9 + 7
print(reduce(lambda x, y: x*y % mod, (S.count(c)+1 for c in ascii_lowercase))-1)
Buggy code:
from collections import Counter

MOD = 10**9+7

N = int(input())
s = input()
d = Counter(s)
print(d)
res = 1
for value in d.values():
  res *= value + 1
  res %= MOD
res -= 1
print(res)

Fixed code:
from collections import Counter

MOD = 10**9+7

N = int(input())
s = input()
d = Counter(s)
res = 1
for value in d.values():
  res *= value + 1
  res %= MOD
res -= 1
print(res)
Buggy code:
N=int(input())
s=list(input())
from collections import Counter
d=Counter(s)
ans=1
for v in d.values():
  ans*=(v+1
ans-=1
ans=ans%(10**9+7)
print(ans)


Fixed code:
N=int(input())
s=list(input())
from collections import Counter
d=Counter(s)
ans=1
for v in d.values():
  ans*=(v+1)
ans-=1
ans=ans%(10**9+7)
print(ans)
Buggy code:
N = int(input())
S = input()
M = 10**9 + 7

from collections import Counter

cs = Counter(S)
ans = 1
for key, val in cs.items():
    ans *= (val + 1)
ans%= M
ans -= 1

Fixed code:
N = int(input())
S = input()
M = 10**9 + 7

from collections import Counter

cs = Counter(S)
ans = 1
for key, val in cs.items():
    ans *= (val + 1)
ans %= M
ans -= 1
print(ans)
Buggy code:
from collections import Counter
n = input()
mod = 10**9+7
s = list(Counter(list(input())).values())
an = 1
for i in s:
  an *= i
print(an-1)

Fixed code:
from collections import Counter
n = input()
mod = 10**9+7
s = list(Counter(list(input())).values())
an = 1
for i in s:
  an *= (i+1)%mod
print((an-1)%mod)
Buggy code:
from collections import Counter

N = int(input())
S = input()
P = 10**9 + 7

dic = Counter(S)
rlt = 1

for k in dic:
  rlt = rlr*(dic[k]+1) % P
  
print(rlt-1)

Fixed code:
from collections import Counter

N = int(input())
S = input()
P = 10**9 + 7

dic = Counter(S)
rlt = 1

for k in dic:
  rlt = rlt*(dic[k]+1) % P
  
print(rlt-1)
Buggy code:
#AGC031 A Colorful Subsequence
# Answer
N = int(input())
S = input()
alpha = [0]*26
mod = 10**9+7

for n in S:
    num = ord(n)-97
    alpha[num] += 1
    
ans = 1
for i in range(26):
    ans *= (alpha[i]+1)

(ans-1) %= mod
print(ans)

Fixed code:
#AGC031 A Colorful Subsequence
# Answer
N = int(input())
S = input()
alpha = [0]*26
mod = 10**9+7

for n in S:
    num = ord(n)-97
    alpha[num] += 1
    
ans = 1
for i in range(26):
    ans *= (alpha[i]+1)

ans %= mod
print(ans-1)
Buggy code:
n=int(input())
s=input()
from collections import Counter
d=Counter(list(s))
ans=1
for i in d:ans*=d[i]+1
print(ans%(10**9+7))

Fixed code:
n=int(input())
s=input()
from collections import Counter
d=Counter(list(s))
ans=1
for i in d:ans*=d[i]+1
ans-=1
print(ans%(10**9+7))
Buggy code:
# A - Colorful Subsequence
import numpy as np

N,S = int(input()),input()
count = np.zeros(26)

for i in range(N):
    count[ord(S[i])-ord('a')] += 1

ans = 1
for i in range(N):
    ans *= (count[i]+1)

print((ans-1)%(10**9+7))

Fixed code:
# A - Colorful Subsequence
import numpy as np

N,S = int(input()),input()
count = np.zeros(26)

for i in range(N):
    count[ord(S[i])-ord('a')] += 1

ans = 1
D =10**9+7

for i in range(26):
    ans = int((ans*(count[i]+1))%D)

print(ans-1)
Buggy code:
from collections import Counter
n = int(input())
s = input()
mod = 10**9 + 7
ans = 1
scnt = Counter(s)
# print(scnt)
for cnt in scnt.values():
    print(cnt)
    ans *= (cnt+1) % mod

print(ans-1)

Fixed code:
from collections import Counter
n = int(input())
s = input()
mod = 10**9 + 7
ans = 1
scnt = Counter(s)
for cnt in scnt.values():
    ans = ans*(cnt+1) % mod

print(ans-1)
Buggy code:
import collections
MOD = 10 ** 9 + 7
def main():
    N = int(input())
    S = input()

    cc = collections.Counter(S)
    output = 1
    for k in cc.keys():
        output *= (cc[k] + 1)
        output %= MOD
    print(output)
    return

if __name__ == '__main__':
    main()


Fixed code:
import collections
MOD = 10 ** 9 + 7
def main():
    N = int(input())
    S = input()

    cc = collections.Counter(S)
    output = 1
    for k in cc.keys():
        output *= (cc[k] + 1)
        output %= MOD
    print(output-1)
    return

if __name__ == '__main__':
    main()
Buggy code:
n=int(input())
s=input()
mod = 1e9+7
ans = [1]*30
for c in s:
    ans[ord(c)-ord('a')]+=1
res = 1
for i in range(29):
    res *= ans[i]
    res %= mod
print((res-1)%mod)

Fixed code:
n=int(input())
s=input()
mod = 1e9+7
ans = [1]*30
for c in s:
    ans[ord(c)-ord('a')]+=1
res = 1
for i in range(29):
    res *= ans[i]
    res %= mod
print(int((res-1)%mod))
Buggy code:
import sys
sys.setrecursionlimit(10**8)
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)]
def dp2(ini, i, j): return [[ini]*i for _ in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for _ in range(j)] for _ in range(k)]
#import bisect #bisect.bisect_left(B, a)
#from collections import defaultdict #d = defaultdict(int) d[key] += value
#from itertools import accumulate #list(accumulate(A))

from collections import Counter
N = ii()
S = input()
l = Counter(S)
mod = 1e9+7

if len(l) == 1:
    print(N)
    exit()

ans = 1
for v in l.values():
    ans *= (v + 1)
    ans %= mod

print((ans-1) % mod)

Fixed code:
import sys
sys.setrecursionlimit(10**8)
def ii(): return int(sys.stdin.readline())
def mi(): return map(int, sys.stdin.readline().split())
def li(): return list(map(int, sys.stdin.readline().split()))
def li2(N): return [list(map(int, sys.stdin.readline().split())) for _ in range(N)]
def dp2(ini, i, j): return [[ini]*i for _ in range(j)]
def dp3(ini, i, j, k): return [[[ini]*i for _ in range(j)] for _ in range(k)]
#import bisect #bisect.bisect_left(B, a)
#from collections import defaultdict #d = defaultdict(int) d[key] += value
#from itertools import accumulate #list(accumulate(A))

from collections import Counter
N = ii()
S = input()
l = Counter(S)
mod = 10**9+7

if len(l) == 1:
    print(N)
    exit()

ans = 1
for v in l.values():
    ans *= (v + 1)
    ans %= mod

print((ans-1) % mod)
Buggy code:
mod = 10**9 + 7

def main():
    N = int(input())
    S = input()
    num_chars = 0
    A = {}
    for s in S:
        if s not in A:
            A[s] = 0
            num_chars += 1
        A[s] += 1
    # print(num_chars, A)
    B = [(a, A[a]) for a in A]

    ans = 1
    for b in B:
        ans = (ans * (b[1] + 1)) % mod
    print(ans)

if __name__ == '__main__':
    main()


Fixed code:
mod = 10**9 + 7

def main():
    N = int(input())
    S = input()
    num_chars = 0
    A = {}
    for s in S:
        if s not in A:
            A[s] = 0
            num_chars += 1
        A[s] += 1
    # print(num_chars, A)
    B = [(a, A[a]) for a in A]

    ans = 1
    for b in B:
        ans = (ans * (b[1] + 1)) % mod
    print(ans - 1)

if __name__ == '__main__':
    main()
Buggy code:
N=int(input())
S=input()
MOD=10**9+7
x=dict()
for s in S:
    x[s]=s.get(s,0)+1
retval=1
for c in x:
    retval*=(x[c]+1)
print((retval-1)%MOD)

Fixed code:
N=int(input())
S=input()
MOD=10**9+7
x=dict()
for s in S:
    x[s]=x.get(s,0)+1
retval=1
for c in x:
    retval*=(x[c]+1)
print((retval-1)%MOD)
Buggy code:
from collection import Counter
n = int(input())
s = input()

mod = 10**9+7

scnt = Counter(s).most_common()
ans = 1

for i in range(len(scnt)):
    ans = ans*scnt[i][1]%p
ans = (ans - 1 + p)%p
print(ans)

Fixed code:
from collections import Counter
n = int(input())
s = input()

mod = 10**9+7

scnt = Counter(s).most_common()
ans = 1

for i in range(len(scnt)):
    ans = ans*(scnt[i][1]+1)%mod
ans = (ans - 1 + mod)%mod
print(ans)
Buggy code:
from itertools import groupby as gb
n,s=open(0)
n=int(n)
s=sorted(s)
ans=1
mod=10**9+7
for i,x in gb(s):
  ans=ans*(len(list(x))+1)%mod
print(ans-1)

Fixed code:
from itertools import groupby as gb
n=int(input())
s=sorted(input())
ans=1
mod=10**9+7
for i,x in gb(s):
  ans=ans*(len(list(x))+1)%mod
print(ans-1)
Buggy code:
N = int(input())
S = input()
mod = 1e9 + 7
cnt = [1]*27
for c in S:
   cnt[ord(c) - ord('a')]+=1
ans = 1
for c in cnt:
   ans *= c
   ans %= mod
print(ans-1)

Fixed code:
N = int(input())
S = input()
mod = 1e9 + 7
cnt = [1]*27
for c in S:
   cnt[ord(c) - ord('a')]+=1
ans = 1
for c in cnt:
   ans *= c
   ans %= mod
print(int(ans-1))
Buggy code:
from collections import Counter
input()
c=Counter(input())
a=1
for i in c.items():
    a*=(1+i[1])
    a/=10**9+7
print(a-1)

Fixed code:
from collections import Counter
input()
c=Counter(input())
a=1
for i in c.items():
    a*=(1+i[1])
    a%=10**9+7
print(a-1)
Buggy code:
import collections as c

N=int(input())
S=list(input())

S=list(c.Counter(S).items())
print(S)

ans=1
for s in S:
  ans*=(s[1]+1)
print((ans-1)%(10**9+7))

Fixed code:
import collections as c

N=int(input())
S=list(input())

S=list(c.Counter(S).items())
#print(S)

ans=1
for s in S:
  ans*=(s[1]+1)
print((ans-1)%(10**9+7))
Buggy code:
# -*- coding: utf-8 -*-
n = int(input())
s = str(input())
b = 10 ** 9 + 7 
# print(n);
# print(s);

sum=0
alphabet=['a', 'b', 'c', 'd' ]
alphabet=[chr(i) for i in range(97, 97 + 26)]
for i in alphabet:
    count=s.count(i)
    sum = (sum * (count + 1) + count ) % b     
    print (s,i,count,sum)
print(sum)


Fixed code:
# -*- coding: utf-8 -*-
n = int(input())
s = str(input())
b = 10 ** 9 + 7 
# print(n);
# print(s);

sum=0
alphabet=['a', 'b', 'c', 'd' ]
alphabet=[chr(i) for i in range(97, 97 + 26)]
for i in alphabet:
    count=s.count(i)
    sum = (sum * (count + 1) + count ) % b     
    # print (s,i,count,sum)
print(sum)
Buggy code:
n = int(input())
s = input()
A = [chr(ord('a') + i) for i in range(26)]
B = []
for i in range(26):
  B.append(s.count(A[i]))
c = len(B)
ans = 1
for i in range(c):
  ans = ans*(B[i]+1)
print((ans-1)/(10**9+7))

Fixed code:
n = int(input())
s = input()
A = [chr(ord('a') + i) for i in range(26)]
B = []
for i in range(26):
  B.append(s.count(A[i]))
c = len(B)
ans = 1
for i in range(c):
  ans = ans*(B[i]+1)
print((ans-1)%(10**9+7))
Buggy code:
n,s=open(0);a=1
for c in set(s):a*=s.count(c)+1
print(~-a%(10**9+7))

Fixed code:
n,s=open(0);a=1
for c in set(s.strip()):a*=s.count(c)+1
print(~-a%(10**9+7))
Buggy code:
if __name__ == '__main__':
    mod = 10**9 +7
    N = int(input())
    S = str(input())
    
    letter = defaultdict(int)
    for i in range(N):
        letter[S[i]] += 1
    count = 1
    for c in letter:
        count *= (letter[c]+1)
        count%mod
    print(count-1)

Fixed code:
from collections import defaultdict
if __name__ == '__main__':
    mod = 10**9 +7
    N = int(input())
    S = str(input())
    
    letter = defaultdict(int)
    for i in range(N):
        letter[S[i]] += 1
    count = 1
    for c in letter:
        count *= (letter[c]+1)
        count %= mod
    print(count-1)
Buggy code:
a = int(input())
b = list(input())
c = {}
for i in range(a):
    if b[i] not in c:
        c[b[i]] = 1
    else:
        c[b[i]] += 1
ans = 1
for v in c.values():
    ans *= (v + 1)
print((ans - 1) // (10 ** 9 + 7))


Fixed code:
a = int(input())
b = list(input())
c = {}
for i in range(a):
    if b[i] not in c:
        c[b[i]] = 1
    else:
        c[b[i]] += 1
ans = 1
for v in c.values():
    ans *= (v + 1)
print((ans - 1) % (10 ** 9 + 7))
Buggy code:
S = input()
list_s = list(S)

from collections import Counter

counter = Counter(list_s)

LARGE_NUM = 10**9 + 7

result = 1
for _, cnt in counter.items():
    result *= cnt+1
    result %= LARGE_NUM
print(result-1)

Fixed code:
N = int(input())
S = input()
list_s = list(S)

from collections import Counter

counter = Counter(list_s)

LARGE_NUM = 10**9 + 7

result = 1
for _, cnt in counter.items():
    result *= cnt+1
    result %= LARGE_NUM
print(result-1)
Buggy code:
n=int(input())
ss=input()
mod=1000000007
s=[]
for i in range(n):
    s.append(ss[i])
s.sort()
x=s[0]
l=[]
count=1
for i in range(1,n):
    if x==s[i]:
        count+=1
        if i==n-1:
            l.append(count%mod)
    else:
        l.append(count%mod)
        count=1
        x=s[i]
        if i==n-1:
            l.append(count%mod)

y=len(l)
m=1
print(l)
for i in range(y):
    m=m*(l[i]+1)%mod
print((m-1)%mod if n>1 else 1)

Fixed code:
n=int(input())
ss=input()
mod=1000000007
s=[]
for i in range(n):
    s.append(ss[i])
s.sort()
x=s[0]
l=[]
count=1
for i in range(1,n):
    if x==s[i]:
        count+=1
        if i==n-1:
            l.append(count%mod)
    else:
        l.append(count%mod)
        count=1
        x=s[i]
        if i==n-1:
            l.append(count%mod)

y=len(l)
m=1
#print(l)
for i in range(y):
    m=m*(l[i]+1)%mod
print((m-1)%mod if n>1 else 1)
Buggy code:
n=int(input())
s=input()
mod=10**9+7
ans=1
lets=[1]*26
for i in s:
  lets[ord(i)-97]+=1
for i in range(26):
  ans*=lets[i]
  ans%=mod
print(ans)

Fixed code:
n=int(input())
s=input()
mod=10**9+7
ans=1
lets=[1]*26
for i in s:
  lets[ord(i)-97]+=1
for i in range(26):
  ans*=lets[i]
  ans%=mod
print(ans-1)
Buggy code:
Mod = 10**9+7
n = int(input())
s = input()
k = 1
for i in range(97,97+26):
  k = (k * s.count(chr(i))+1)%Mod
print((k-1)%Mod)

Fixed code:
Mod = 10**9+7
n = int(input())
s = input()
k = 1
for i in range(97,97+26):
  k = (k * (s.count(chr(i))+1))%Mod
print((k-1)%Mod)