Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
import numpy as np
h,w,n = map(int, input().split())
a = [0]*n
b = [0]*n
for i in range(n):
    a[i],b[i] = map(int, input().split())
    a[i] -= 1; b[i] -= 1
    
## 左上のマスを(0,0)とする
## 正方形の左上のマスを(j,i)とする
sq = [[0]*(w-2) for i in range(h-2)] 

for x in range(n):
    for k in range(3):
        for l in range(3):
            i = a[x]-k ; j = b[x]-l
            if i<0 or i+3>h or j<0 or j+3>w:
                continue
            sq[i][j] += 1

sq = np.array(sq)

for j in range(10):
    print(np.count_nonzero(sq == j))

Fixed submission:
from collections import defaultdict
d = defaultdict(int)

h,w,n = map(int, input().split())
a = [0]*n
b = [0]*n
for i in range(n):
    a[i],b[i] = map(int, input().split())
    a[i] -= 1; b[i] -= 1
    
## 左上のマスを(0,0)とする
## 正方形の左上のマスを(j,i)とする
sq_i = []
sq_j = []

for x in range(n):
    for k in range(3):
        for l in range(3):
            i = a[x]-k ; j = b[x]-l
            if i<0 or i+3>h or j<0 or j+3>w:
                continue
            d[(j,i)] += 1

ans =[0]*10
for k,v in d.items():
    ans[v] += 1
ans[0] = (h-2)*(w-2)-sum(ans)

for i in range(10):
    print(ans[i])
Buggy python submission (verdict: Runtime Error):
import numpy as np
n = int(input())
if n != 1:
  arr = np.asarray([[int(x) for x in input().split()]])
  arrT = arr.T
  eye = np.eye(n)
  ans = np.count_nonzero(arrT % arr + eye == 0, axis=1)
  ans = np.count_nonzero(ans == 0)
  print(ans)
else:
  print(input())

Fixed submission:
l = input().split()
ans = l.index('0') + 1
print(ans)
Buggy python submission (verdict: Runtime Error):
def resolve():
    n = int(input())
    woker = list(map(int, input().split()))
    woker_count = collections.Counter(woker)
    for i in range(n):
        print(woker_count[i + 1])


resolve()

Fixed submission:
import collections


def resolve():
    n = int(input())
    woker = list(map(int, input().split()))
    woker_count = collections.Counter(woker)
    for i in range(n):
        print(woker_count[i + 1])


resolve()

Buggy python submission (verdict: Time Limit Exceeded):
def resolve():
    n = int(input())
    woker = list(map(int, input().split()))
    for i in range(n):
        print(woker.count(i + 1))


resolve()

Fixed submission:
import collections


def resolve():
    n = int(input())
    woker = list(map(int, input().split()))
    woker_count = collections.Counter(woker)
    for i in range(n):
        print(woker_count[i + 1])


resolve()

Buggy python submission (verdict: Time Limit Exceeded):
def resolve():
    n = int(input())
    woker = list(map(int, input().split()))
    for i in range(n):
        print(woker.count(i + 1))


resolve()

Fixed submission:
import collections


def resolve():
    n = int(input())
    woker = list(map(int, input().split()))
    woker_count = collections.Counter(woker)
    for i in range(n):
        print(woker_count[i + 1])


resolve()
Buggy python submission (verdict: Runtime Error):
def main():
    n = int(input())
    s = input()

    if n % 2 == 1:
        print("No")
        return

    if s[:len(s)/2] == s[len(s)/2:]:
        print("Yes")
    else:
        print("No")


if __name__ == '__main__':
    main()


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

    if n % 2 == 1:
        print("No")
        return

    if s[:len(s)//2] == s[len(s)//2:]:
        print("Yes")
    else:
        print("No")


if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
    for s in [-1, +1]:
        
        a = X + s * d
        if p.count(a) == 0:
            print(a)
            exit(0)


Fixed submission:
x1,x2,x3,x4,x5=map(int,input().split())
a=[]
a.append(x1)
a.append(x2)
a.append(x3)
a.append(x4)
a.append(x5)
for i in range(5):
    if a[i]==0:
        print(i+1)

Buggy python submission (verdict: Runtime Error):
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
    for s in [-1, +1]:
            a = X + s * d
			if p.count(a) == 0:
				print(a)
				exit(0)


Fixed submission:
x1,x2,x3,x4,x5=map(int,input().split())
a=[]
a.append(x1)
a.append(x2)
a.append(x3)
a.append(x4)
a.append(x5)
for i in range(5):
    if a[i]==0:
        print(i+1)

Buggy python submission (verdict: Runtime Error):
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
    for s in [-1, +1]:
            a = X + s * d
if p.count(a) == 0:
	print(a)
exit(0)


Fixed submission:
x1,x2,x3,x4,x5=map(int,input().split())
a=[]
a.append(x1)
a.append(x2)
a.append(x3)
a.append(x4)
a.append(x5)
for i in range(5):
    if a[i]==0:
        print(i+1)
Buggy python submission (verdict: Runtime Error):
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
    for s in [-1, +1]:
            a = X + s * d
if p.count(a) == 0:
print(a)
exit(0)


Fixed submission:
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
    for s in [-1, +1]:
        
        a = X + s * d
        if p.count(a) == 0:
            print(a)
            exit(0)

Buggy python submission (verdict: Runtime Error):
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
for s in [-1, +1]:
a = X + s * d
if p.count(a) == 0:
print(a)
exit(0)


Fixed submission:
X, N = map(int, input().split())
p = list(map(int, input().split()))
for d in range(X + 1):
    for s in [-1, +1]:
        
        a = X + s * d
        if p.count(a) == 0:
            print(a)
            exit(0)
Buggy python submission (verdict: Time Limit Exceeded):
def D():
    n, k = map(int, input().split())
    a = list(map(int, input().split()))
    next = a[0]
    path = [0]
    while not next in path:
        k -= 1
        if k==0:
            print(next)    
            break
        path.append(next)
        next = a[next - 1]
    if k!=0:
        cyclic = path[path.index(next):]
        print(cyclic[k%(len(cyclic))-1])

D()

Fixed submission:
def D():
    n, k = map(int, input().split())
    a = list(map(int, input().split()))
    next = a[0]
    path = [1]
    visited = [True] + [False]*(n-1)
    while not visited[next-1]:
        k -= 1
        if k==0:
            print(next)    
            break
        path.append(next)
        visited[next-1] = True 
        next = a[next-1]
    if k!=0:
        cyclic = path[path.index(next):]
        print(cyclic[k%(len(cyclic))-1])

D()
Buggy python submission (verdict: Time Limit Exceeded):
def D():
    s = input()
    sketa = len(s)
    ans = 0
    mods = [0]*2019
    mods[0] = 1
    for i in range(1,sketa+1):
        mod = int(s[-i:])%2019
        ans += mods[mod]
        mods[mod] += 1
    print(ans)
D()


Fixed submission:
def D():
    s = input()
    mods = [0]*2019
    mods[0] = 1
    mod = 0
    for i, element in enumerate(s[::-1]):
        mod += int(element)*pow(10,i,2019)
        mods[mod%2019] += 1
    print(sum(map(lambda x:int(x*(x-1)/2), mods)))
D()

Buggy python submission (verdict: Time Limit Exceeded):
def D():
    s = input()
    sketa = len(s)
    ans = 0
    mods = {0:1}
    for i in range(1,sketa+1):
        mod = int(s[-i:])%2019
        try:
            ans += mods[mod]    
            mods[mod] += 1
        except KeyError:
            mods[mod] = 1
    print(ans)
D()


Fixed submission:
def D():
    s = input()
    mods = [0]*2019
    mods[0] = 1
    mod = 0
    for i, element in enumerate(s[::-1]):
        mod += int(element)*pow(10,i,2019)
        mods[mod%2019] += 1
    print(sum(map(lambda x:int(x*(x-1)/2), mods)))
D()

Buggy python submission (verdict: Time Limit Exceeded):
def D():
    s = input()
    sketa = len(s)
    ans = 0
    mods = {0:1}
    for i in range(1,sketa+1):
        mod = int(s[-i:])%2019
        if mod in mods.keys():
            ans += mods[mod]
            mods[mod] += 1
        else:
            mods[mod] = 1
    print(ans)
D()


Fixed submission:
def D():
    s = input()
    mods = [0]*2019
    mods[0] = 1
    mod = 0
    for i, element in enumerate(s[::-1]):
        mod += int(element)*pow(10,i,2019)
        mods[mod%2019] += 1
    print(sum(map(lambda x:int(x*(x-1)/2), mods)))
D()

Buggy python submission (verdict: Time Limit Exceeded):
def D():
    s = input()
    sketa = len(s)
    ans = 0
    for keta in range(4, sketa):
        for j in range(sketa-keta+1):
            if int(s[j: j+keta])%2019==0:
                ans += 1
    print(ans)
D()

Fixed submission:
def D():
    s = input()
    mods = [0]*2019
    mods[0] = 1
    mod = 0
    for i, element in enumerate(s[::-1]):
        mod += int(element)*pow(10,i,2019)
        mods[mod%2019] += 1
    print(sum(map(lambda x:int(x*(x-1)/2), mods)))
D()
Buggy python submission (verdict: Time Limit Exceeded):
def my_code():
    n = int(input())
    a = list(map(int,input().split()))
    for i in range(1, n+1):
        print(a.count(i))

my_code()


Fixed submission:
def my_code():
    n = int(input())
    a = [0]*n
    # a = list(map(int,input().split()))
    for i in list(map(int, input().split())):
        a[i-1] += 1
    print(*a,sep="\n")

my_code()
Buggy python submission (verdict: Time Limit Exceeded):
def D():
    n = int(input())
    s = input()
    r, g, b = [], [], []
    for i in range(n):
        if s[i]=="R": r.append(i)
        elif s[i]=="G": g.append(i)
        else: b.append(i)
    ans = 0
    for i in r:
        for j in g:
            for k in b:
                if abs(i-j) != abs(k-j) and abs(i-k)!=abs(k-j) and abs(j-i)!=abs(k-i):
                    ans += 1
    print(ans)

D()

Fixed submission:
def D():
    n = int(input())
    s = input()
    r,g,b = [],[],[]
    for i in range(n):
        if s[i]=="R": r.append(i)
        elif s[i]=="G": g.append(i)
        else: b.append(i)
    ans = len(r)*len(g)*len(b)
    for i in range(n):
        for j in range(i,n):
            if j + (j-i) >= n: continue
            if s[i]!=s[j] and s[i]!=s[2*j-i] and s[j]!=s[2*j-i]:
                ans -= 1
    print(ans)

D()
Buggy python submission (verdict: Runtime Error):
from math import gcd, floor, ceil
def lcd(x, y):
    return x*y//gcd(x,y)
def C():
    a,b,c,d = list(map(int, input().split()))
    c_divide = b//c - (a-1)//c
    d_divide = b//d - (a-1)//d
    cd_lcd = lcd(c,d)
    lcd_divide = b//cd_lcd - (a-1)//cd_lcd
    print(b-a+1 - c_divide - d_divide + lcd_divide)
C()


Fixed submission:
def gcd(x, y):
  while y!=0:
    x, y = y, x%y
  return x
def lcd(x, y):
    return x*y//gcd(x,y)
def C():
    a,b,c,d = list(map(int, input().split()))
    c_divide = b//c - (a-1)//c
    d_divide = b//d - (a-1)//d
    cd_lcd = lcd(c,d)
    lcd_divide = b//cd_lcd - (a-1)//cd_lcd
    print(b-a+1 - c_divide - d_divide + lcd_divide)
C()
Buggy python submission (verdict: Runtime Error):
#coding:utf-8

def funuke():
    N = input()
    strs = []
    for n in range(N):
        input_lines = input()
        strs.append(list(input_lines))
    result = strs[0]
    for n in range(1,N):
        result = duplicate(result, strs[n])
    result.sort()
    print("".join(result))

def duplicate(xs,ys):
    result = []
    for x in xs:
        if x in ys:
            result.append(x)
            ys.remove(x)
    return result


if __name__=="__main__":
    funuke()

Fixed submission:
def funuke():                                   
    N = int(raw_input())                        
    strs = []                                   
    for n in range(N):                          
        input_lines = raw_input()               
        strs.append(list(input_lines))          
    result = strs[0]                            
    for n in range(1,N):                        
        result = duplicate(result, strs[n])     
    result.sort()                               
    print("".join(result))                      
                                                
def duplicate(xs,ys):                           
    result = []                                 
    for x in xs:                                
        if x in ys:                             
            result.append(x)                    
            ys.remove(x)                        
    return result                               
                                                
                                                
if __name__=="__main__":                        
    funuke()
Buggy python submission (verdict: Runtime Error):
for i in range(5):
  if int(input()) == 0:
    print(i + 1)

Fixed submission:
arr = input().split();
for i in range(5):
	if(int(arr[i]) == 0): print(i + 1)
Buggy python submission (verdict: Runtime Error):
import math

N = int(input())
M = int(input())


def combinations_count(n, r):
    if n <= 1:
        return 0
    else:
        return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

n = combinations_count(N, 2)
m = combinations_count(M, 2)

print(n+m)

Fixed submission:
import math

N,M = map(int,input().split())



def combinations_count(n, r):
    if n <= 1:
        return 0
    else:
        return math.factorial(n) // (math.factorial(n - r) * math.factorial(r))

n = combinations_count(N, 2)
m = combinations_count(M, 2)

print(n+m)
Buggy python submission (verdict: Runtime Error):
X,K = int(input())

if K >== 500*X:
    print("yes")
else:
    print("No")

Fixed submission:
K,X = map(int,input().split())

if X <= 500*K:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
import math

A, B = map(int,input().split())

def lcm(A, B):
    return (A * B) // math.gcd(A, B)

print(lcm(A, B))

Fixed submission:
import fractions

A, B = map(int,input().split())

def lcm(A, B):
    return (A * B) // fractions.gcd(A, B)

print(lcm(A, B))
Buggy python submission (verdict: Runtime Error):
N = int(input())
M = [x*y for y in range(1,10) for x in range(1,10)]

if N in M:
    print('Yes')     
else:
    print('No')  

Fixed submission:
A,B = map(int,input().split())

if A >= 10 or B >= 10:
    print(-1)
else:
    print(A*B)
Buggy python submission (verdict: Runtime Error):
N = int(input())
S = list(input())

num = 1
ans = 1
for i in S:
    if i == S[num]:
        continue
    else:
        ans += 1
print(ans)

Fixed submission:
N = int(input())
S = list(input())

ans = 1
for i in range(N):
    if i == N - 1:
        print(ans)
    elif S[i] == S[i + 1]:
        i += 1
        continue
    else:
        ans += 1
        i += 1
Buggy python submission (verdict: Runtime Error):
S = str(input())

num = 0
for i in range(len(S)):
    if i % 2 == 0:
        if S[i] == "L":
            num += 1
    else:
        if s[i] == "R":
            num += 1

if num == 0:
    print("Yes")
else:
    print("No")

Fixed submission:
S = str(input())

num = 0
for i in range(len(S)):
    if i % 2 == 0:
        if S[i] == "L":
            num += 1
    else:
        if S[i] == "R":
            num += 1

if num == 0:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
S = list(input())

num = 0
for i in range(len(S)):
    if i % 2 == 0:
        if S[i] == "L":
            num += 1
    else:
        if s[i] == "R":
            num += 1

if num != 0:
    print("No")
else:
    print("Yes")

Fixed submission:
S = str(input())

num = 0
for i in range(len(S)):
    if i % 2 == 0:
        if S[i] == "L":
            num += 1
    else:
        if S[i] == "R":
            num += 1

if num == 0:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
S = list(input())

if S[0] == "L" and S[2] == "L":
    print("No")
elif S[1] == "R" and S[3] == "R":
    print("No")
else:
    print("Yes")

Fixed submission:
S = str(input())

num = 0
for i in range(len(S)):
    if i % 2 == 0:
        if S[i] == "L":
            num += 1
    else:
        if S[i] == "R":
            num += 1

if num == 0:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
S = list(input())

if S[0] == "L" or S[2] == "L":
    print("No")
elif S[1] == "R" or S[3] == "R":
    print("No")
else:
    print("Yes")

Fixed submission:
S = str(input())

num = 0
for i in range(len(S)):
    if i % 2 == 0:
        if S[i] == "L":
            num += 1
    else:
        if S[i] == "R":
            num += 1

if num == 0:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
N = int(input())
N = int(input())
H = list(map(int, input().split()))
 
ans = 0
tmp = 0
for i in range(N-1):
	if H[i] >= H[i+1]:
		tmp += 1
	else:
		if ans < tmp:
			ans = tmp
		tmp = 0
if ans < tmp:
	ans = tmp
 
print(ans)

Fixed submission:
N = int(input())
H = list(map(int, input().split()))
 
ans = 0
tmp = 0
for i in range(N-1):
	if H[i] >= H[i+1]:
		tmp += 1
	else:
		if ans < tmp:
			ans = tmp
		tmp = 0
if ans < tmp:
	ans = tmp
 
print(ans)
Buggy python submission (verdict: Runtime Error):
n = int(input())
a = list(map(int,input().split()))
 
a.sort()
for i in range(n-1):
    a[i+1] = (a[i] + a[i+1]) / 2
 
print(a[-1])

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

if a >= 3200:
    print(s)
else:
    print("red")
Buggy python submission (verdict: Runtime Error):
if A == 1 and B == 1:
    print(2)
elif A>0 and B>0 or A<0 and B==0:
    print(A*B)
elif A>=0 and B<0 or A==0 and B<0:
    print(A-B)
else:
    print(A+B)

Fixed submission:
A,B = map(int,input().split())

if A == 1 and B == 1:
    print(2)
elif A > 1 and B == 1:
    print(A+B)
elif A == 1 and B > 1:
    print(A+B)
elif A < 0 and B < 0:
    print(A*B)
elif A > 0 and B <= 0:
    print(A-B)
elif A <= 0 and B > 0:
    print(A+B) 
else:
    print(A*B)
Buggy python submission (verdict: Runtime Error):
N = int(input()) 
A = list(map(int,input().split())) 
B = list(map(int,input().split())) 

ans = 0 
for i in range(N): 
    d = min(A[i], B[i]) 
    ans += d 
    A[i] -= d 
    B[i] -= d 
    d = min(A[i + 1], B[i]) 
    ans += d A[i + 1] -= d 
    B[i] -= d print(ans)
print(ans)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
ans = 0
 
for i in range(N):
    k = B[i] - A[i]
    if k > 0:
        ans += A[i]
        A[i] = 0 
        if A[i+1] < k:
            ans += A[i+1]
            A[i+1] = 0
        else:
            ans += k
            A[i+1] -= k
    else:
        ans += B[i]
        A[i] =- k

print(ans)

Buggy python submission (verdict: Runtime Error):
N = int(input()) A = list(map(int,input().split())) B = list(map(int,input().split())) ans = 0
for i in range(N): d = min(A[i], B[i])
ans += d
A[i] -= d
B[i] -= d
d = min(A[i + 1], B[i])
ans += d
A[i + 1] -= d
B[i] -= d

print(ans)

Fixed submission:
N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
ans = 0
 
for i in range(N):
    k = B[i] - A[i]
    if k > 0:
        ans += A[i]
        A[i] = 0 
        if A[i+1] < k:
            ans += A[i+1]
            A[i+1] = 0
        else:
            ans += k
            A[i+1] -= k
    else:
        ans += B[i]
        A[i] =- k

print(ans)
Buggy python submission (verdict: Runtime Error):
A=list(input().split())

if A[0]==A[1] and A[2]==A[3]:
    print("Yes")
elif A[0]==A[2] and A[1]==A[3]:
    print("Yes")
elif A[0]==A[3] and A[1]==A[2]:
    print("Yes")
else:
    print("No")

Fixed submission:
A=list(map(str,input()))

if A[0]==A[1] and A[0]==A[2] and A[0]==A[3]:
    print("No")
elif A[0]==A[1] and A[2]==A[3]:
    print("Yes")
elif A[0]==A[2] and A[1]==A[3]:
    print("Yes")
elif A[0]==A[3] and A[1]==A[2]:
    print("Yes")
else:
    print("No")

Buggy python submission (verdict: Runtime Error):
A=list(map(int,input()))

if A[0]==A[1] and A[2]==A[3]:
    print("Yes")
elif A[0]==A[2] and A[1]==A[3]:
    print("Yes")
elif A[0]==A[3] and A[1]==A[2]:
    print("Yes")
else:
    print("No")

Fixed submission:
A=list(map(str,input()))

if A[0]==A[1] and A[0]==A[2] and A[0]==A[3]:
    print("No")
elif A[0]==A[1] and A[2]==A[3]:
    print("Yes")
elif A[0]==A[2] and A[1]==A[3]:
    print("Yes")
elif A[0]==A[3] and A[1]==A[2]:
    print("Yes")
else:
    print("No")
Buggy python submission (verdict: Runtime Error):
N,L = list(map(int,input().split()))


i = 1
taste = []

while i <= N:
        taste.append(L + i - 1)
        i += 1


if L > 0 :
        print(sum(taste[1:N]))
elif L <= 0 and N + L < 0:
        print(sum(taste[0:N-1]))
elif L <= 0 and N + L >= 0:
        print(sum(taste[0:N-1]))

Fixed submission:
A = list(map(int,input()))


if A[0] == A[1] or A[1] == A[2] or A[2] == A[3]:
        print("Bad")
else:
        print("Good")

Buggy python submission (verdict: Runtime Error):
N,L = list(map(int,input().split()))


i = 1
taste = []

while i == N:
        taste.append(L + i - 1)
        i += 1

if L > 0 :
        print(sum(taste[1:N]))
elif L < N and N + L < 0:
        print(sum(taste[0:N-1]))
elif L <= 0 and N - L >= 0:
        print(sum(taste))


Fixed submission:
A = list(map(int,input()))


if A[0] == A[1] or A[1] == A[2] or A[2] == A[3]:
        print("Bad")
else:
        print("Good")
Buggy python submission (verdict: Runtime Error):
N = int(input())
W = map(int, input().split())
s1, s2 = 0, sum(W)
ans = sum(W)
for i in range(N):
	s1 += W[i]
	s2 -= W[i]
	ans = min(ans, abs(s1 - s2))
print(ans)

Fixed submission:
A=list(map(int, input().split()))


newlist = sorted(A)

sum = newlist[0] + newlist[1]

print(sum)

Buggy python submission (verdict: Runtime Error):
P = int(input())
Q = int(input())
R = int(input())

list = []

list = P,Q,R
newlist = sorted(list)

a = newlist[0] + newlist[1]
print(a)




Fixed submission:
A=list(map(int, input().split()))


newlist = sorted(A)

sum = newlist[0] + newlist[1]

print(sum)
Buggy python submission (verdict: Runtime Error):
A,B,K = map(int,input().split())

split_num = 1
split_num_list = []

for i in range(1,min(A,B)+1):
    if A % i == 0 and B % i == 0:
        split_num_list.append(i)
print(split_num_list[K])

Fixed submission:
A,B,K = map(int,input().split())


split_num_list = []

for i in range(1,min(A,B)+1):
    if A % i == 0 and B % i == 0:
        split_num_list.append(i)
split_num_list.sort(reverse=True)
print(split_num_list[K-1])
Buggy python submission (verdict: Time Limit Exceeded):
import sys
input = sys.stdin.readline

def main():
    s = input().strip()
    mod = [0] * 2019

    tmp = 0
    mod[tmp] += 1
    for i in range(len(s)-1, -1, -1):
        tmp = (tmp + pow(10, len(s) - i) * int(s[i])) % 2019
        mod[tmp] += 1
    ans = 0
    for i in range(2019):
        if mod[i] > 1:
            ans += (mod[i] * (mod[i] - 1)) // 2
    print(ans)


if __name__ == "__main__":
    main()

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

def main():
    s = input().strip()
    mod = [0] * 2019

    tmp = 0
    ten = 10
    mod[tmp] += 1
    for i in range(len(s)-1, -1, -1):
        tmp = (tmp + ten * int(s[i])) % 2019
        ten = (ten * 10) % 2019
        mod[tmp] += 1
    ans = 0
    for i in range(2019):
        if mod[i] > 1:
            ans += (mod[i] * (mod[i] - 1)) // 2
    print(ans)


if __name__ == "__main__":
    main()
Buggy python submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

def main():
    N = int(input())
    s = input().strip().split()
    for i in range(N):
        print(f"{s[0][i]}{s[1][i]}", end="")
    print()


if __name__ == "__main__":
    main()

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

def main():
    N = int(input())
    s = input().strip().split()
    for i in range(N):
        print(s[0][i], end="")
        print(s[1][i], end="")
    print()


if __name__ == "__main__":
    main()