Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin/env python3
from sys import stdin


def solve(tc):
    s = stdin.readline().strip()
    k = int(stdin.readline().strip())

    n = len(s)
    li = [list() for i in range(26)]
    for i in range(n):
        li[ord(s[i])-ord('a')].append(i)
    
    p = 0
    while len(li[p])==0:
        p += 1
    
    ans = set()
    while len(ans)<k and p<26:
        for i in range(n):
            for j in range(len(li[p])):
                b = li[p][j]
                e = min(n, li[p][j] + i + 1)
                ans.add(s[b:e])
        p += 1
    lans = list(ans)
    lans.sort()
    print(lans[k-1])
    pass


LOCAL_TEST = not __debug__
if LOCAL_TEST:
    infile = __file__.split('.')[0] + "-test.in"
    stdin = open(infile, 'r')

tcs = (int(stdin.readline().strip()) if LOCAL_TEST else 1)
tc = 1
while tc <= tcs:
    solve(tc)
    tc += 1

Fixed submission:
#!/usr/bin/env python3
from sys import stdin


def solve(tc):
    s = stdin.readline().strip()
    k = int(stdin.readline().strip())

    n = len(s)
    li = [list() for i in range(26)]
    for i in range(n):
        li[ord(s[i])-ord('a')].append(i)
    
    p = 0
    while len(li[p])==0:
        p += 1
    
    ans = set()
    while len(ans)<k and p<26:
        for i in range(k):
            for j in range(len(li[p])):
                b = li[p][j]
                e = min(n, li[p][j] + i + 1)
                ans.add(s[b:e])
        p += 1
    lans = list(ans)
    lans.sort()
    print(lans[k-1])
    # print(lans[k-1])
    pass


LOCAL_TEST = not __debug__
if LOCAL_TEST:
    infile = __file__.split('.')[0] + "-test.in"
    stdin = open(infile, 'r')

tcs = (int(stdin.readline().strip()) if LOCAL_TEST else 1)
tc = 1
while tc <= tcs:
    solve(tc)
    tc += 1
Buggy python submission (verdict: Runtime Error):
S = input()
T = input()

if len(S)+1 == len(T):
  print('Yes')
else"
  print('No')

Fixed submission:
S = input()
T = input()

if ((len(S)+1) == len(T)) and S == T[:-1]:
  print('Yes')
else:
  print('No')
Buggy python submission (verdict: Time Limit Exceeded):
import collections

N, X, Y = map(int, input().split())
x = X-1
y = Y-1
dist = dict()
for i in range(N-1):
    for j in range(i+1, N):
        dist_ = min(abs(j-i), abs(x-i) + 1 + abs(j-y), abs(y-i) +1 + abs(j - x))
        dist[i, j] = dist_

out = collections.Counter(dist.values())
for i in range(N-1):
    print(out[i+1])



Fixed submission:
N, X, Y = map(int, input().split())
x = X-1
y = Y-1
dist = [0] * N
for i in range(N-1):
    for j in range(i+1, N):
        dist_ = min(abs(j-i), abs(x-i) + 1 + abs(j-y), abs(y-i) +1 + abs(j - x))
        dist[dist_] += 1
for i in range(N-1):
    print(dist[i+1])
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int, input().split()))
A_set = list(set(A))
Ad = {a_set: A.count(a_set) for a_set in A_set}
score_sum = sum([(x>1) * x * (x-1) / 2 for x in list(Ad.values())])
Ad_score = {ad_key: score_sum - (ad_value -1) * (ad_value > 0) for ad_key, ad_value in Ad.items()}
A_out = [str(int(Ad_score[a])) for a in A]

print('\n'.join(A_out))


Fixed submission:
N, M = map(int, input().split())
print(int((N!=0) * N * (N-1)/2 + (M!=0) * M *(M-1)/2))
Buggy python submission (verdict: Time Limit Exceeded):
K = int(input())

a = 7
p = -1
ans = 0

while True:
    t = a % K
    ans += 1
    if t == 0:
        print(ans)
        break
    if t == p:
        print(-1)
        break
    a = 10*t + 7
    p = t


Fixed submission:
K = int(input())

a = 7
p = {}
ans = 0

while True:
    t = a % K
    ans += 1
    if t == 0:
        print(ans)
        break
    if t in p:
        print(-1)
        break
    a = 10*t + 7
    p[t] = 1
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int,input().split()))

A.sort(reverse = True)
circle = [A[0]]
ans = 0

for i in range(1,N):
    max = 0
    l = len(circle)
    for j in range(l):
        if max < min(circle[j],circle[(j+1)%l]):
            ins = j
            max = min(circle[j],circle[(j+1)%l])
    circle.insert(ins,A[i])
    ans += max

print(ans)


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

A.sort(reverse = True)


ans2 = A[0]
cnt = 0
j = 1
for i in range(1,N-1):
    if cnt == 2:
        j += 1
        cnt = 0
    ans2 += A[j]
    cnt += 1

print(ans2)
Buggy python submission (verdict: Time Limit Exceeded):
import queue

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

if N!=0:
    p = list(map(int,input().split()))
else:
    p=[]

q = queue.Queue()

q.put(X)

while True:
    t = q.get()
    if t in p:
        q.put(t-1)
        q.put(t+1)
    else:
        print(t)
        break


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

if N!=0:
    p = list(map(int,input().split()))
else:
    p=[]

d = {n: 1 for n in p}

a = X
b = X
while True:
    if d.get(a) != 1:
        print(a)
        break
    elif d.get(b) != 1:
        print(b)
        break
    else:
        a -= 1
        b += 1
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict

N,K = map(int,input().split())
A = list(map(int,input().split()))

dict = defaultdict(lambda: 0)
dict[1] = 1
next = A[0]

for k in range(1,K+1):
    if dict[next] !=0:
        roop_start = dict[next]
        roop_end = k
        break
    dict[next] = k+1
    next = A[next-1]

roop = roop_end - roop_start + 1
teleport = roop_start + (K - roop_start)%roop

next = 1
for i in range(teleport):
    next = A[next-1]

print(next)    


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

town = [0 for i in range(N+1)]

def next(A,now):
    return(A[now-1])

now = 1
i = 0
while True:
    if town[now] != 0:
        roop_start = town[now]
        roop_end = i
        break
    town[now] = i+1
    now = next(A,now)
    i += 1

roop = roop_end - roop_start + 1
teleport = min(roop_start + (K - roop_start)%roop,K)

now = 1
for i in range(teleport):
    now = next(A,now)

print(now)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int,input().split()))

cnt = 0

for i in range(N-1):
    for j in range(i+A[i]+1,N):
        if j-i == A[i]+A[j]:
            cnt += 1

print(cnt)


Fixed submission:
from collections import defaultdict

N = int(input())
A = list(map(int,input().split()))

cnt = 0
L = defaultdict(lambda: 0)
R = defaultdict(lambda: 0)

for i in range(N):
    L[i+A[i]] += 1
    R[i-A[i]] += 1

for key in L:
    cnt += L[key] * R[key]


print(cnt)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
A = list(map(int,input().split()))

cnt = 0

for i in range(N-1):
    for j in range(i+1,N):
        if j-i == A[i]+A[j]:
            cnt += 1

print(cnt)


Fixed submission:
from collections import defaultdict

N = int(input())
A = list(map(int,input().split()))

cnt = 0
L = defaultdict(lambda: 0)
R = defaultdict(lambda: 0)

for i in range(N):
    L[i+A[i]] += 1
    R[i-A[i]] += 1

for key in L:
    cnt += L[key] * R[key]


print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())

goods = []

for i in range(N):
    S = input()
    if S not in goods:
        goods.append(S)

print(len(goods))    


Fixed submission:
from collections import defaultdict

N = int(input())

goods = defaultdict(lambda: 0)

for i in range(N):
    S = input()
    goods[S] = 0

print(len(goods))
Buggy python submission (verdict: Runtime Error):
N = int(input())
A = list(map(int,input().split()))

DP = [[-10**9 for i in range((N+1)//2)] for i in range(N)]

DP[0][0] = A[0]
for i in range(1,N):
    DP[i][0] = max(DP[i-1][0],A[i])

for i in range(1,N//2-1):
    DP[2*i][i] = DP[2*(i-1)][i-1] + A[2*i]

for i in range(3,N):
    for j in range(i//2-1,(i+1)//2):
        DP[i][j] = max(DP[i-1][j],DP[i-2][j-1]+A[i])

print(DP[N-1][N//2-1])


Fixed submission:
N = input()
if '7' in N:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Time Limit Exceeded):
import math

K = int(input())

def gcd_(a,b,c):
    t = math.gcd(a,b)
    return(math.gcd(t,c))


sum = 0

for a in range(1,K+1):
    for b in range(1,K+1):
        for c in range(1,K+1):
            sum += gcd_(a,b,c)

print(sum)            


Fixed submission:
import math

K = int(input())

gcd2 = [[0 for i in range(K)] for i in range(K)]

for i in range(K):
    for j in range(K):
        gcd2[i][j] = math.gcd(i+1,j+1)

sum = 0
for i in range(K):
    for j in range(K):
        for k in range(K):
            sum += math.gcd(gcd2[i][j],k+1)

print(sum)
Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = input()

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        for k in range(j+1,N):
            if j-i == k-j and S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)                


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

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        k = 2*j - i
        if k >= N:
            break
        else:
            if S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = input()

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        for k in range(j+1,N):
            if j-i == k-j and S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)                


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

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        k = 2*j - i
        if k >= N:
            break
        else:
            if S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = input()

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        for k in range(j+1,N):
            if j-i == k-j and S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)                


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

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        k = 2*j - i
        if k >= N:
            break
        else:
            if S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)

Buggy python submission (verdict: Time Limit Exceeded):
N = int(input())
S = input()

cnt = 0
for i in range(N):
#    print('i={}'.format(i))
    for j in range(i+1,N):
#        print('j={}'.format(j))
        if S[i] != S[j]:
            for k in range(j+1,N):
#                print(k)
                if S[i] != S[k] and S[j] != S[k]:
                    if j-i != k-j:
                        cnt +=1

print(cnt)


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

#条件1を満たす(i,j,k)の組→R,G,Bの選び方
r,g,b = S.count('R'),S.count('G'),S.count('B')

ans = r*g*b

for i in range(N):
    for j in range(i+1,N):
        k = 2*j - i
        if k >= N:
            break
        else:
            if S[i]!=S[j] and S[i]!=S[k] and S[j]!=S[k]:
                ans -= 1

print(ans)
Buggy python submission (verdict: Runtime Error):
from collections import defaultdict
N,X,Y = map(int,input().split())

k = defaultdict(lambda: 0)

for i in range(N-1):
    for j in range(i+1,N):
        dist = min( j-i , abs(X-1-i)+1+abs(Y-1-j) , abs(Y-1-i)+1+abs(X-1-j) )
        k[dist] += 1

for i in range(1,N+1):
    print(k[i])


Fixed submission:
S = input()

if S[2]==S[3] and S[4]==S[5]:
    print('Yes')
else:
    print('No')
Buggy python submission (verdict: Time Limit Exceeded):
N,X,Y = map(int,input().split())

k = [0 for i in range(N-1)]

for i in range(N-1):
    for j in range(i+1,N):
        dist = min( j-i , abs(X-1-i)+1+abs(Y-1-j) , abs(Y-1-i)+1+abs(X-1-j) )
        k[dist-1] += 1

print('\n'.join(map(str,k)))


Fixed submission:
from collections import defaultdict
N,X,Y = map(int,input().split())

k = defaultdict(lambda: 0)

for i in range(N-1):
    for j in range(i+1,N):
        dist = min( j-i , abs(X-1-i)+1+abs(Y-1-j) , abs(Y-1-i)+1+abs(X-1-j) )
        k[dist] += 1

for i in range(1,N):
    print(k[i])
Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
import sys


def solve(N: int, A: "List[int]"):
    A = sorted(A, reverse=True)

    i = 0
    while(pow(2,i)<N): i+=1
    # print(A)

    rem = N-2**(i-1)
    if rem%2 == 1: od = 1
    else: od = 0
    # print(A[:2**(i-2)])
    ans = sum(A[:2**(i-2)])*2 - A[0]
    # print(ans)
    # print(A[2**(i-2):2**(i-2)+rem//2])
    ans+= sum(A[2**(i-2):2**(i-2)+rem//2])*2
    # print(ans)

    if od:
        ans+= A[2**(i-2)+rem//2]
    print(ans)

    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()


Fixed submission:
#!/usr/bin/env python3
import sys


def solve(N: int, A: "List[int]"):
    A = sorted(A, reverse=True)
    if N==2:
        print(A[0])
        return

    i = 0
    while(pow(2,i)<N): i+=1
    # print(A)

    rem = N-2**(i-1)
    if rem%2 == 1: od = 1
    else: od = 0
    # print(A[:2**(i-2)])
    ans = sum(A[:2**(i-2)])*2 - A[0]
    # print(ans)
    # print(A[2**(i-2):2**(i-2)+rem//2])
    ans+= sum(A[2**(i-2):2**(i-2)+rem//2])*2
    # print(ans)

    if od:
        ans+= A[2**(i-2)+rem//2]
    print(ans)

    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin/env python3
import sys
from collections import deque


def solve(N: int, A: "List[int]"):
    s = sorted(A)
    s = deque(s)
    min_s = s[0]
    max_s = s[-1]
    lim = int(-(-max_s**0.5//1))+1
    if min_s == 1:
        print((A.count(1)==1)*1)
        return
    
    ans = 0
    # print(s)
    temp = s.popleft()
    ct = 1
    while (len(s)>0) and (s[0] == temp) :
        ct+=1
        temp = s.popleft()
    if ct==1: ans+=1
    # print(ct)
    # print(temp)
    while (len(s)>0):
        new_s = deque()
        while(len(s)>0):
            t = s.popleft()
            if t%temp!=0:
                new_s.append(t)
        s = new_s
        temp = s.popleft()
        ct = 1
        while (len(s)>0) and (s[0] == temp) :
            ct+=1
            temp = s.popleft()
        if ct==1: ans+=1
        # print(temp, s)
        
    print(ans + len(s))

    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()


Fixed submission:
#!/usr/bin/env python3
import sys
from collections import deque, Counter


def solve(N: int, A: "List[int]"):
    d_A = Counter(A)
    s = sorted(d_A.keys())
    if s[0] == 1:
        print((d_A[1] == 1)*1)
        return
    
    is_d = [0]*(2*10**6)

    for s_t in s:
        lim = 10**6 // s_t +1
        for i in range(1,lim):
            is_d[i*s_t] +=1
    
    ans = 0
    for s_t in s:
        if (d_A[s_t] == 1) and (is_d[s_t]==1):
            ans+=1
    print(ans)


        

    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
import sys


def solve(T: str):
    a = ""
    prev = ""
    for i in range(len(T)):
        t = T[i]
        if t == "?":
            if prev =="P":
                t="D"
            elif prev == "D":
                t="P"
            else:
                if T[i+1] == "D":
                    t="P"
                else:
                    t="D"
        a+=t
        prev = t
    print(a)
    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    T = next(tokens)  # type: str
    solve(T)

if __name__ == '__main__':
    main()


Fixed submission:
#!/usr/bin/env python3
import sys


def solve(T: str):
    a = ""
    # prev = ""
    for i in range(len(T)):
        t = T[i]
        if t == "?":
            t="D"
        a+=t
        # prev = t
    print(a)
    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    T = next(tokens)  # type: str
    solve(T)

if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin/env python3
import sys


def solve(N: int, A: "List[int]"):
    if N==0:
        if A[0] == 1:
            print(1)
        else:
            print(-1) 
        return 
    
    prev = 0
    leafs = 0
    ans = 0
    for i, a in enumerate(A):
        leafs = leafs*2 + a
        rem = pow(2,i) - leafs
        k = min(rem,sum(A[i+1:]))
        # print(A[i+1:])
        # print(k)
        ans+=k
    # print(leafs)

    rem = pow(2,N) - leafs
    
    if rem<0:
        print(-1)
        return
    print(ans+sum(A))
    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N - 0 + 1)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()


Fixed submission:
#!/usr/bin/env python3
import sys


def solve(N: int, A: "List[int]"):
    if N==0:
        if A[0] == 1:
            print(1)
        else:
            print(-1) 
        return 
    
    s = [0]*(N+1)
    s[N] = A[N]
    for i in range(N-1, -1, -1):
        s[i] = s[i+1] + A[i] 

    leafs = 0
    ans = 0
    for i, a in enumerate(A):
        leafs = leafs*2 + a
        rem = pow(2,i) - leafs
        if i<N:
            # print(sum(A[i+1:]), s[i+1])
            k = min(rem, s[i+1])
            ans+=k
    # print(leafs)

    rem = pow(2,N) - leafs    
    if rem<0:
        print(-1)
        return
    print(ans+sum(A))
    return


# Generated by 1.1.7.1 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: int
    A = [int(next(tokens)) for _ in range(N - 0 + 1)]  # type: "List[int]"
    solve(N, A)

if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
#!/usr/bin/env python3
import sys

# Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    N = int(next(tokens))  # type: str
    K = (next(tokens))  # type: str
    g = set()
    for _ in range(N):
        d = int(next(tokens))
        g = g  or set([int(next(tokens)) for i in range(d)])

    print(N - len(g))    

    return


if __name__ == '__main__':
    main()


Fixed submission:
#!/usr/bin/env python3
import sys

# Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()

    N = int(next(tokens))  # type: str
    K = int(next(tokens))  # type: str
    # print(N, K)
    g = set()
    for _ in range(K):
        d = int(next(tokens))
        g = g | set([int(next(tokens)) for i in range(d)])

    print(N - len(g))    

    return


if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
#!/usr/bin/env python3
import sys


def solve(S: int):
    S =str(S)
    l = len(S)
    elds = [x*2019 for x in range(10000) if "0" not in str(x*2019)]
    # print(elds)
    s = S
    ans = []
    for t in range(5,9):
        for x in range(l-t+1):
            # print(s[x:x+t])           
            if int(s[x:x+t]) in elds:
                ans.append((x,x+t))

    p= [a_[0] for a_ in ans]
    q= [a_[1] for a_ in ans]
    
    print(len(ans)+len(set(p)&set(q)))
    

    return


# Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    S = int(next(tokens))  # type: int
    solve(S)

if __name__ == '__main__':
    main()


Fixed submission:
#!/usr/bin/env python3
import sys


def solve(S: int):
    S =str(S)[::-1]
    MOD = 2019
    mod_l = [int(0)]*2019
    mod_l[0] = 1
    prev = 0
    for x in range(len(S)):
        k = int(S[x]) * pow(10, x, MOD) % MOD + prev
        mod_l[k%2019] += 1
        prev = k%2019

    s = sum([x*(x-1)//2 for x in mod_l])
    print(s)
    return


# Generated by 1.1.6 https://github.com/kyuridenamida/atcoder-tools  (tips: You use the default template now. You can remove this line by using your custom template)
def main():
    def iterate_tokens():
        for line in sys.stdin:
            for word in line.split():
                yield word
    tokens = iterate_tokens()
    S = int(next(tokens))  # type: int
    solve(S)

if __name__ == '__main__':
    main()