qyliang/CodeNanoFix huggingface dataset:
Buggy code:
import sys
input = sys.stdin.readline

MOD = pow(10, 9) + 7

def main():
  s = input().strip()
  sd = [[0 for _ in range(13)] for _ in range(len(s))]
  if s[-1] == '?':
    for i in range(10):
      sd[0]]i] = 1
  else:
    sd[0][int(s[-1])] = 1

  for i, _s in enumerate(s[::-1]):
    if i == 0:
      continue
    if _s != '?':
      rem = int(_s) * pow(10, i, 13) % 13
      for j in range(13):
        sd[i][(j+rem)%13] = sd[i-1][j]
    else:
      for k in range(10):
        rem = k * pow(10, i, 13) % 13
        for j in range(13):
          sd[i][(j+rem)%13] += sd[i-1][j]
          sd[i][(j+rem)%13] %= MOD
  print(sd[5])


if __name__ == '__main__':
  main()


Fixed code:
import sys
input = sys.stdin.readline

MOD = pow(10, 9) + 7

def main():
  s = input().strip()
  sd = [[0 for _ in range(13)] for _ in range(len(s))]
  if s[-1] == '?':
    for i in range(10):
      sd[0][i] = 1
  else:
    sd[0][int(s[-1])] = 1

  for i, _s in enumerate(s[::-1]):
    if i == 0:
      continue
    if _s != '?':
      rem = int(_s) * pow(10, i, 13) % 13
      for j in range(13):
        sd[i][(j+rem)%13] = sd[i-1][j]
    else:
      for k in range(10):
        rem = k * pow(10, i, 13) % 13
        for j in range(13):
          sd[i][(j+rem)%13] += sd[i-1][j]
          sd[i][(j+rem)%13] %= MOD
  print(sd[len(s)-1][5])


if __name__ == '__main__':
  main()
Buggy code:
from collections import defaultdict
s = input()
s = s[::-1]

app = defaultdict(int)

for i in range(len(s)):
    tmp_dic = defaultdict(int)
    if i == 0:
        if s[i] != '?':
            tmp_dic[int(s[i])]+= 1
        else:
            for j in range(13):
                tmp_dic[j] += 1

    else:
        if s[i] != '?':
            tmp = int(s[i]) * pow(10, i, 13)
            for j in range(13):
                tmp_dic[(tmp+j)%13] += app[j] % (10**9+7)

        else:
            for j in range(10):
                tmp = int(j) * pow(10, i, 13)
                for k in range(13):
                    tmp_dic[(tmp+k)%13] += app[k] % (10**9+7)

    app = tmp_dic

print(app[5] % (10**9+7))

Fixed code:
from collections import defaultdict
s = input()
s = s[::-1]

app = [0 for _ in range(13)]

for i in range(len(s)):
    tmp_dic = [0 for _ in range(13)]
    if i == 0:
        if s[i] != '?':
            tmp_dic[int(s[i])]+= 1
        else:
            for j in range(10):
                tmp_dic[j] += 1

    else:
        if s[i] != '?':
            tmp = int(s[i]) * pow(10, i, 13)
            for j in range(13):
                tmp_dic[(tmp+j)%13] += app[j] % (10**9+7)

        else:
            for j in range(10):
                tmp = int(j) * pow(10, i, 13)
                for k in range(13):
                    tmp_dic[(tmp+k)%13] += app[k] % (10**9+7)

    app = tmp_dic
    # print(app)

print(app[5] % (10**9+7))
Buggy code:
S = input()
INF = 10 ** 9 + 7

dp = [[0 for _ in range(13)] for _ in range(len(S) + 1)]
index = 1
dp[0][0] = 1
for i in range(len(S)):
    c = S[-i - 1]
    if c == '?':
        for j in range(10):
            for k in range(13):
                dp[i + 1][(j * index + k) % 13] += dp[i][k]
                dp[i + 1][(j * index + k) % 13] %= INF
    else:
        c = int(c)
        for k in range(13):
            dp[i + 1][(c * index + k) % 13] += dp[i][k]
            dp[i + 1][(c * index + k) % 13] %= INF
    index *= 10
    index %= INF

print(dp[len(S)][5])

Fixed code:
S = input()
INF = 10 ** 9 + 7

dp = [[0 for _ in range(13)] for _ in range(len(S) + 1)]
index = 1
dp[0][0] = 1
for i in range(len(S)):
    c = S[-i - 1]
    if c == '?':
        for j in range(10):
            for k in range(13):
                dp[i + 1][(j * index + k) % 13] += dp[i][k]
                dp[i + 1][(j * index + k) % 13] %= INF
    else:
        c = int(c)
        for k in range(13):
            dp[i + 1][(c * index + k) % 13] += dp[i][k]
            dp[i + 1][(c * index + k) % 13] %= INF
    index *= 10
    index %= 13

print(dp[len(S)][5])
Buggy code:
def main():
    
    s = input()[::-1]
    mod = 10**9+7
    dp = [[0 for j in range(13)] for i in range(len(s)+1)]
    dp[0][0] = 1
    ten = 1


    for i in range(len(s)):
        if s[i] == "?":
            for k in range(10):
                x = k*ten%13
                for j in range(13):
                    dp[i+1][(j+x)%13] = (dp[i][j]+dp[i+1][(j+x)%13])%mod
        
        else:
            x = int(s[i])*ten%13
            for j in range(13):
                dp[i+1][(j+x)%13] = (dp[i][j]+dp[i+1][(j+x)%13])%mod

        ten = (ten*10)%mod

    print(dp[-1][5]%mod)

if __name__ == "__main__":
    main()

Fixed code:
def main():
    
    s = input()[::-1]
    mod = 10**9+7
    dp = [[0 for j in range(13)] for i in range(len(s)+1)]
    dp[0][0] = 1
    ten = 1


    for i in range(len(s)):
        if s[i] == "?":
            for k in range(10):
                x = k*ten%13
                for j in range(13):
                    dp[i+1][(j+x)%13] = (dp[i][j]+dp[i+1][(j+x)%13])%mod
        
        else:
            x = int(s[i])*ten%13
            for j in range(13):
                dp[i+1][(j+x)%13] = (dp[i][j]+dp[i+1][(j+x)%13])%mod

        ten = (ten*10)%13

    print(dp[-1][5]%mod)

if __name__ == "__main__":
    main()
Buggy code:
import sys
#input = sys.stdin.buffer.readline

def main():
    s = str(input())
    l = len(s)
    ans = [0 for _ in range(13)]
    MOD = 10**9+7
    ans[0] = 1
    print(len(s))
    
    for st in s:
        dp = [0 for _ in range(13)]
        for i in range(13):
            dp[(10*i)%13] = ans[i]%MOD
        dp += dp
        if st != "?":
            for i in range(13):
                num = int(st)
                ans[i] = dp[i+13-num]
        else:
            for i in range(13):
                ans[i] = sum(dp[i+4:i+14])
    
    print(ans[5]%MOD)

if __name__ == "__main__":
    main()

Fixed code:
import sys
#input = sys.stdin.buffer.readline

def main():
    s = str(input())
    l = len(s)
    ans = [0 for _ in range(13)]
    MOD = 10**9+7
    ans[0] = 1
    
    for st in s:
        dp = [0 for _ in range(13)]
        for i in range(13):
            dp[(10*i)%13] = ans[i]%MOD
        dp += dp
        if st != "?":
            for i in range(13):
                num = int(st)
                ans[i] = dp[i+13-num]
        else:
            for i in range(13):
                ans[i] = sum(dp[i+4:i+14])
    
    print(ans[5]%MOD)

if __name__ == "__main__":
    main()
Buggy code:
S = input()

MOD = 10**9+7

dp = [[0 for _ in range(13)] for _ in range(len(S) + 1)]


dp[0][0] = 1

for index in range(1, len(S) + 1):
    s = S[len(S) - index ]
    if s == '?':
        for pre_index in range(13):
            for i in range(10):
                next_i = (i +  pre_index * 10) % 13
                dp[index][next_i] += dp[index - 1][pre_index] 
    else:
        i = int(s)
        for pre_index in range(13):
            next_i = (i +  pre_index * 10) % 13
            dp[index][next_i] += dp[index - 1][pre_index] 

    for i in range(13):
        dp[index][i] %= MOD



print(dp[len(S)][5])


Fixed code:
S = input()
 
MOD = 10**9+7
 
dp = [[0]*13 for _ in range(len(S) + 1)]
 
 
dp[0][0] = 1
 
for index in range(len(S)):
    if S[index] == '?':
        for pre_index in range(13):
            for i in range(10):
                next_i = (i +  pre_index * 10 ) % 13
                dp[index+1][next_i] += dp[index][pre_index] 
                dp[index+1][next_i] %= MOD

    else:
        for pre_index in range(13):
            i = int(S[index])
            next_i = (i +  pre_index  * 10) % 13
            dp[index+1][next_i] += dp[index][pre_index] 
            dp[index+1][next_i] %= MOD
 
 
 
print(dp[len(S)][5])
Buggy code:
d=[1]+[0]*12
for c in input():
	e=[0]*13
	for k in([c],range(10))[c>'9']:
		for j in range(13):t=(j*10+k)%13;e[t]+=d[j];e[t]%=10**9+7
	d=e
print(d[5])

Fixed code:
d=[1]+[0]*12
for c in input():
	e=[0]*13
	for k in([c],range(10))[c>'9']:
		for j in range(13):t=(j*10+int(k))%13;e[t]+=d[j];e[t]%=10**9+7
	d=e
print(d[5])
Buggy code:
import sys
sys.setrecursionlimit(10**7)
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x) - 1 for x in sys.stdin.readline().split()]
def LF(): return [float(x) for x in sys.stdin.readline().split()]
def LS(): return sys.stdin.readline().split()
def II(): return int(sys.stdin.readline())
def SI(): return sys.stdin.readline().strip()
INF = 10 ** 18
MOD = 10 ** 9 + 7

debug = True
debug = False

def dprint(*objects):
    if debug == True:
        print(*objects)

def solve():
    S = SI()
    #S = S[::-1]
    N = len(S)
    dp = [[0 for j in range(13)] for i in range(N)]
 
    for i in range(N,0,-1):
        c = S[i]
        if i == 0:
            if c == '?':
                for j in range(10):
                    dp[i][j] = 1
            else:
                dp[i][int(c)] = 1
        else:
            for k in range(13):
                if c == '?':
                    for j in range(10):
                        amari = (j * pow(10, i, 13))
                        dp[i][k] = (dp[i][k] + dp[i-1][(k-amari)%13]) % MOD
                else:
                    amari = (int(c) * pow(10, i, 13))
                    dp[i][k] += (dp[i][k] + dp[i-1][(k-amari) % 13]) % MOD
 
    dprint(dp)
    print(dp[N-1][5])

solve()

Fixed code:
import sys
sys.setrecursionlimit(10**7)
def LI(): return [int(x) for x in sys.stdin.readline().split()]
def LI_(): return [int(x) - 1 for x in sys.stdin.readline().split()]
def LF(): return [float(x) for x in sys.stdin.readline().split()]
def LS(): return sys.stdin.readline().split()
def II(): return int(sys.stdin.readline())
def SI(): return sys.stdin.readline().strip()
INF = 10 ** 18
MOD = 10 ** 9 + 7

debug = True
debug = False

def dprint(*objects):
    if debug == True:
        print(*objects)

def solve():
    S = SI()
    N = len(S)
    S = reversed(S)
    dp = [[0 for j in range(13)] for i in range(N)]
 
    for i, es in enumerate(S):
        c = es
        if i == 0:
            if c == '?':
                for j in range(10):
                    dp[i][j] = 1
            else:
                dp[i][int(c)] = 1
        else:
            if c == '?':
                for j in range(10):
                    amari = (j * pow(10, i, 13)) % 13
                    for k in range(13):
                        dp[i][k] = (dp[i][k] + dp[i-1][(k-amari)%13]) % MOD
            else:
                amari = (int(c) * pow(10, i, 13)) % 13
                for k in range(13):
                    dp[i][k] += (dp[i][k] + dp[i - 1][(k-amari) % 13]) % MOD
 
    dprint(dp)
    print(dp[N-1][5])


solve()
Buggy code:
s = input()[::-1]
m = 13
mod = 10**9+7

r = [1]
for i in range(10**5):
    r.append(r[-1]*10 % mod)

dp = [0]*m
dp[0] = 1
for i, c in enumerate(s):
    nxt = [0]*m
    if c == "?":
        for j in range(m):
            for k in range(10):
                nxt[(j+k*r[i])%m] += dp[j]
                nxt[(j+k*r[i])%m] %= mod
    else:
        n = int(c)
        for j in range(m):
            nxt[(j+n*r[i])%m] += dp[j]
            nxt[(j+n*r[i])%m] %= mod
    dp = nxt
print(dp[5])



Fixed code:
s = input()[::-1]
m = 13
mod = 10**9+7

r = [1]
for i in range(10**5):
    r.append(r[-1]*10 % m)

dp = [0]*m
dp[0] = 1
for i, c in enumerate(s):
    nxt = [0]*m
    if c == "?":
        for j in range(m):
            for k in range(10):
                nxt[(j+k*r[i])%m] += dp[j]
                nxt[(j+k*r[i])%m] %= mod
    else:
        n = int(c)
        for j in range(m):
            nxt[(j+n*r[i])%m] += dp[j]
            nxt[(j+n*r[i])%m] %= mod
    dp = nxt
print(dp[5])
Buggy code:
def inpl(): return list(map(int, input().split()))

MOD = 10**9 + 7
S = input()[::-1]
x = 1

DP = [0]*13
DP[0] = 1
for i in range(len(S)):
    DP2 = [0]*13
    if S[i] != "?":
        s = int(S[i])
        for i in range(13):
            DP2[(i + s*x)%13] = DP[i]%MOD
    else:
        for j in range(10):
            for i in range(13):
                DP2[(i + j*x)%13] = (DP2[(i + j*x)%13] + DP[i])%MOD
    x = x*10%MOD
    DP = DP2

print(DP[5]%MOD)


Fixed code:
def inpl(): return list(map(int, input().split()))

MOD = 10**9 + 7
S = input()[::-1]
x = 1

DP = [0]*13
DP[0] = 1
for i in range(len(S)):
    DP2 = [0]*13
    if S[i] != "?":
        s = int(S[i])
        for i in range(13):
            DP2[(i + s*x)%13] = DP[i]%MOD
    else:
        for j in range(10):
            for i in range(13):
                DP2[(i + j*x)%13] = (DP2[(i + j*x)%13] + DP[i])%MOD
    x = x*10%13
    DP = DP2

print(DP[5]%MOD)
Buggy code:
mod = 10 ** 9 + 7

S = input()

dp = [0] * 13

dp[0] = 1

l = len(S)

for i in S:
    nextdp = [0] * 13
    if i == "?":
        for k in range(10):
            for j in range(13):
                nextdp[((j * 10) + k) % 13] += dp[j]
                # nextdp[((j * 10) + k) % 13] %= mod

    else:
        k = int(i)
        for j in range(13):
            nextdp[((j * 10) + k) % 13] += dp[j]
            # nextdp[((j * 10) + k) % 13] %= mod

for i in range(13):
    dp[i] %= mod

print(dp[5])

Fixed code:
mod = 10 ** 9 + 7

S = input()

dp = [0] * 13

dp[0] = 1

l = len(S)

for i in S:
    nextdp = [0] * 13
    if i == "?":
        for k in range(10):
            for j in range(13):
                nextdp[((j * 10) + k) % 13] += dp[j]
                # nextdp[((j * 10) + k) % 13] %= mod

    else:
        k = int(i)
        for j in range(13):
            nextdp[((j * 10) + k) % 13] += dp[j]
            # nextdp[((j * 10) + k) % 13] %= mod

    dp = [nextdp[i] % mod for i in range(13)]

    # for i in range(13):
    #     dp[i] = nextdp[i] % mod

print(dp[5])
Buggy code:
port sys
 
 
def solve():
    input = sys.stdin.readline
    mod = 10 ** 9 + 7
    s = str(input().rstrip('\n'))
    ls = [[0] * 13 for _ in range(len(s))]
    for i in range(len(s)):
        if i == 0:
            if s[-i-1] == "?":
                for j in range(10):
                    ls[i][j] += 1
            else:
                ls[i][int(s[-i-1])] += 1
        else:
            mult = pow(10, i, 13)
            if s[-i-1] == "?":
                for j in range(13):
                    for k in range(10):
                        ls[i][(k * mult + j) % 13] += ls[i-1][j]
            else:
                st = int(s[-i-1])
                for j in range(13):
                    ls[i][(st * mult + j) % 13] += ls[i-1][j]
        for j in range(13):
            ls[i][j] = ls[i][j] % mod
    print(ls[-1][5])
 
 
if __name__ == '__main__':
    solve()

Fixed code:
import sys
 
 
def solve():
    input = sys.stdin.readline
    mod = 10 ** 9 + 7
    s = str(input().rstrip('\n'))
    ls = [[0] * 13 for _ in range(len(s))]
    for i in range(len(s)):
        if i == 0:
            if s[-i-1] == "?":
                for j in range(10):
                    ls[i][j] += 1
            else:
                ls[i][int(s[-i-1])] += 1
        else:
            mult = pow(10, i, 13)
            if s[-i-1] == "?":
                for j in range(13):
                    for k in range(10):
                        ls[i][(k * mult + j) % 13] += ls[i-1][j]
            else:
                st = int(s[-i-1])
                for j in range(13):
                    ls[i][(st * mult + j) % 13] += ls[i-1][j]
        for j in range(13):
            ls[i][j] = ls[i][j] % mod
    print(ls[-1][5])
 
 
if __name__ == '__main__':
    solve()
Buggy code:
MOD = 10 ** 9 + 7

S = input().strip()
N = 13

dp = [0] * N
dp[0] = 1

for i in range(len(S)):
  next_dp = [0] * N
  c = S[i]
  if c == '?':
    for j in range(10):
      for k in range(N):
        next_dp[(k * i + j) % N] += dp[k]
        next_dp[(k * i + j) % N] %= MOD
  else:
    j = int(c)
    for k in range(N):
      next_dp[(k * i + j) % N] += dp[k]
      next_dp[(k * i + j) % N] %= MOD

  dp = next_dp

print(dp[5])

Fixed code:
MOD = 10 ** 9 + 7

S = input().strip()
#S = '?' * (10 ** 5)
N = 13

dp = [0] * N
dp[0] = 1

for i in range(len(S)):
  next_dp = [0] * N
  c = S[i]
  if c == '?':
    for k in range(10):
      for j in range(N):
        next_dp[(j * 10 + k) % N] += dp[j]
        next_dp[(j * 10 + k) % N] %= MOD
  else:
    k = int(c)
    for j in range(N):
      next_dp[(j * 10 + k) % N] += dp[j]
      next_dp[(j * 10 + k) % N] %= MOD

  dp = next_dp

print(dp[5])
Buggy code:
s = input().strip()

DIV = 10**9 + 7
new = list(range(13))
old = None

if s[-1] == '?':
    old = [int(t < 10) for t in range(13)]
else:
    old = [int(t == int(c)) for t in range(13)]

digit = 10
for i, c in enumerate(reversed(s[:-1])):
    for j in range(13):
        new[j] = 0
    if c == '?':
        for m in range(10):
            for mod, cnt in enumerate(old):
                shifted = (mod + m * digit) % 13
                new[shifted] += cnt
    else:
        c = int(c)
        for mod, cnt in enumerate(old):
            shifted = (mod + c * digit) % 13
            new[shifted] += cnt
    for j in range(13):
        new[j] %= DIV
    new, old = old, new
    digit = (digit * 10) % 13

print(old[5])

Fixed code:
s = input().strip()

DIV = 10**9 + 7
new = list(range(13))
old = None

c = s[-1]
if c == '?':
    old = [int(t < 10) for t in range(13)]
else:
    c = int(c)
    old = [int(t == c) for t in range(13)]

digit = 10
for i, c in enumerate(reversed(s[:-1])):
    for j in range(13):
        new[j] = 0
    if c == '?':
        for m in range(10):
            for mod, cnt in enumerate(old):
                shifted = (mod + m * digit) % 13
                new[shifted] += cnt
    else:
        c = int(c)
        for mod, cnt in enumerate(old):
            shifted = (mod + c * digit) % 13
            new[shifted] += cnt
    for j in range(13):
        new[j] %= DIV
    new, old = old, new
    digit = (digit * 10) % 13

print(old[5])
Buggy code:
s = input()
mod = 10 ** 9 + 7

dp = [0] * 13
for c in s:
  tmp = dp[:]
  if c == '?':
    dp = [0] * 13
    for n in range(10):
      for i in range(13):
        dp[(10 * i + n) % 13] += tmp[i]
  else:
    n = int(c)
    for i in range(13):
      dp[(10 * i + n) % 13] = tmp[i]
print(dp[5])

Fixed code:
s = input()
mod = 10 ** 9 + 7

dp = [1] + [0] * 12
for c in s:
  tmp = dp[:]
  if c == '?':
    dp = [0] * 13
    for n in range(10):
      for i in range(13):
        index = (10 * i + n) % 13
        dp[index] = (dp[index] + tmp[i]) % mod
  else:
    n = int(c)
    for i in range(13):
      dp[(10 * i + n) % 13] = tmp[i]
print(dp[5])
Buggy code:
mod=10**9+7
S=input()
dp=[0]*13
dp[0]=1

for s in S:
    prev=[x for x in dp]
    if s=='?':
        nx=range(10)
    else:
        nx=[int(s)]
    for i in range(13):
        for j in nx:
            dp[(10*i+j)%13]+=prev[i]
    dp=[x%mod for x in dp]
print(dp[5])

Fixed code:
mod=10**9+7
S=input()
dp=[0]*13
dp[0]=1

for s in S:
    prev=[x for x in dp]
    dp=[0]*13
    if s=='?':
        nx=range(10)
    else:
        nx=[int(s)]
    for i in range(13):
        for j in nx:
            dp[(10*i+j)%13]+=prev[i]
    dp=[x%mod for x in dp]
print(dp[5])
Buggy code:
import sys

def main():
	input = sys.stdin.readline

	s = list(input())

	dp = [[0 for _ in range(13)]for _ in range(len(s)+1)]
	MOD = 10**9+7
	if s[-1] == '?':
		for i in range(10):
			dp[1][i] = 1
	else:
		dp[1][int(s[-1])] = 1

	for i in range(1,len(s)):
		if s[-i-1] != '?':
			num = (int(s[-i-1]) * (10**i)) % 13
			for j in range(13):
				dp[i+1][j] = dp[i][(13-num+j)%13]
				dp[i+1][j] % MOD
		else:
			for j in range(10):
				num = j * (10**i) % 13
				for k in range(13):
					dp[i+1][k] += dp[i][(13-num+k)%13]
					dp[i+1][k] % MOD

	print(dp[len(s)][5] % MOD)

if __name__ == '__main__':
	main()

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

def main():

	#s = tuple(input())
	s = input()
	length = len(s)

	dp = [[0]*13 for _ in range(length)]
	MOD = 10**9+7
	if s[-1] == '?':
		for i in range(10):
			dp[0][i] = 1
	else:
		dp[0][int(s[-1])] = 1

	num = 1
	for i in range(1,length):
		num = (10*num) % 13
		if s[-i-1] != '?':
			num2 = num * int(s[-i-1]) % MOD
			for j in range(13):
				dp[i][(num2+j)%13] = dp[i-1][j] % MOD
		else:
			for j in range(10):
				for k in range(13):
					dp[i][(num*j+k)%13] += dp[i-1][k] % MOD

	print(dp[-1][5] % MOD)

if __name__ == '__main__':
	main()
Buggy code:
def main():
	readline = sys.stdin.readline
	s = tuple(input())
	length = len(s)

	dp = [[0 for _ in range(13)]for _ in range(length+1)]
	MOD = 10**9+7
	if s[-1] == '?':
		for i in range(10):
			dp[1][i] = 1
	else:
		dp[1][int(s[-1])] = 1

	for i in range(1,length):
		if s[-i-1] != '?':
			num = (int(s[-i-1]) * (10**i)) % 13
			for j in range(13):
				dp[i+1][j] = dp[i][(13-num+j)%13]
				dp[i+1][j] %= MOD
		else:
			num = (10**i) % 13
			a = 0
			for j in range(10):
				for k in range(13):
					dp[i+1][k] += dp[i][(13-a+k)%13]
					dp[i+1][k] %= MOD
				a += num

	print(dp[length][5] % MOD)

if __name__ == '__main__':
	main()

Fixed code:
def main():
	import sys
	readline = sys.stdin.readline

	#s = tuple(input())
	s = input().rstrip()
	n = len(s)

	dp = [[0]*13 for _ in range(n)]
	MOD = 10**9+7

	if s[-1] == '?':
		for i in range(10):
			dp[0][i] = 1
	else:
		dp[0][int(s[-1])] = 1

	a = 1
	for i in range(1,n):
		a = 10 * a % 13
		if s[-(i+1)] != '?':
			num = int(s[-(i+1)])
			for j in range(13):
				dp[i][(a*num+j)%13] += dp[i-1][j] % MOD
		else:
			for j in range(10):
				for k in range(13):
					dp[i][(a*j+k)%13] += dp[i-1][k] % MOD

	print(dp[-1][5] % MOD)

if __name__ == '__main__':
	main()
Buggy code:


(AC)
s=input()
l=len(s)
mod = pow(10,9)+7

dp = [[0 for _ in range(13)] for _ in range(l+1)]
dp[0][0] = 1
keta = 1

for i in range(1,l+1):
	num = s[-i]
	if num == '?':
		for j in range(10):
			for k in range(13):
				dp[i][(j * keta + k) % 13] += dp[i-1][k] % mod
	else:
		num = int(num)
		for k in range(13):
			dp[i][(num * keta + k) % 13] += dp[i-1][k] % mod
	keta = keta*10  % 13
print(dp[l][5] % mod)

Fixed code:
s=input()
l=len(s)
mod = pow(10,9)+7

dp = [[0 for _ in range(13)] for _ in range(l+1)]
dp[0][0] = 1
keta = 1

for i in range(1,l+1):
	num = s[-i]
	if num == '?':
		for j in range(10):
			for k in range(13):
				dp[i][(j * keta + k) % 13] += dp[i-1][k] % mod
	else:
		num = int(num)
		for k in range(13):
			dp[i][(num * keta + k) % 13] += dp[i-1][k] % mod
	keta = keta*10  % 13
print(dp[l][5] % mod)
Buggy code:
MOD = 10 ** 9 + 7

s = str(input())
sl = list(s)
si = list(map(int,s))

cur = [0] * 13

if s[0] != "?":
    cur[si[0]] = 1
else:
    for j in range(10):
        cur[j] = 1

for i in range(1,len(s)):
    pre = cur[:]
    cur = [0] * 13
    if s[i] != "?":
        for j in range(13):
            q = (j * 10 + si[i]) % 13
            cur[q] += pre[j] % MOD
    else:
        for j in range(13):
            for k in range(10):
                p = (j * 10 + k) % 13
                cur[p] += pre[j] % MOD

print(cur[5] % MOD)

Fixed code:
MOD = 10 ** 9 + 7
 
s = str(input())
 
s = list(s)
 
cur = [0] * 13
 
if s[0] != "?":
    cur[int(s[0])] = 1
else:
    for j in range(10):
        cur[j] = 1
 
for i in range(1,len(s)):
    pre = cur[:]
    cur = [0] * 13
    if s[i] != "?":
        for j in range(13):
            q = (j * 10 + int(s[i])) % 13
            cur[q] += pre[j] % MOD
    else:
        for j in range(13):
            for k in range(10):
                p = (j * 10 + k) % 13
                cur[p] += pre[j] % MOD
 
print(cur[5] % MOD)
Buggy code:
S = [int(x) if x != '?' else - 1 for x in input()]
le=len(S)

dp = [[0]*13 for i in range(le+1)]
dp[0][0] = 1

i=0
for k in reversed(S):
    if k==-1:
        for s in range(10):
            for j in range(13):
                dp[i + 1][(s + j*10) % 13] += dp[i][j]%(10**9+7)

    else:
        k=int(k)
        for j in range(13):
            dp[i + 1][(j *10 + k) % 13] += dp[i][j]%(10**9+7)
        
    i += 1


print(dp[le][5]%(10**9+7))


Fixed code:
S = [int(x) if x != '?' else - 1 for x in input()]
le=len(S)

dp = [[0]*13 for i in range(le+1)]
dp[0][0] = 1

i=0
for k in S:
    if k==-1:
        for s in range(10):
            for j in range(13):
                dp[i + 1][(s + j*10) % 13] += dp[i][j]%(10**9+7)

    else:
        k=int(k)
        for j in range(13):
            dp[i + 1][(j *10 + k) % 13] += dp[i][j]%(10**9+7)
        
    i += 1


print(dp[le][5]%(10**9+7))
Buggy code:
r = int(input())
a = 3*a**2
print(a)

Fixed code:
r = int(input())
print(3*r**2)
Buggy code:
r = int(input())

print(3*4**2)

Fixed code:
r = int(input())
print(r**2 *3)