Harryxun/testdata huggingface dataset:
Buggy python submission (verdict: Runtime Error):
l = [1]
p = [1]
N, X = map(int, input().split())
for i in range(N):
    l.append(l[i] * 2 + 3)
    p.append(p[i] * 2 + 1)


def calc(n, x):
    if l[n] <= x:
        return p[n]
    if x == 0 or x == 1:
        return 0
    if x <= l[n] // 2:
        return calc(n - 1, x - 1)
    elif x == l[n] // 2 + 1:
        return p[n - 1] + 1
    else:
        return p[n - 1] + 1 + calc(n - 1, x - (l[n - 1] + 2))


print(calc(N, X))


Fixed submission:
c='Christmas'
for i in range(25-int(input())):
	c+=' Eve'
print(c)
Buggy python submission (verdict: Runtime Error):
n=int(imput())
l=[int(input()) for i in range(n)]
print(sum(l)-max(l)//2)

Fixed submission:
n=int(input())
l=[int(input()) for i in range(n)]
print(sum(l)-max(l)//2)
Buggy python submission (verdict: Runtime Error):
l=[1]
p=[1]
N,X=map(int,input().split())
for i in range(N):
    l.append(l[i]*2+3)
    p.append(p[i]*2+1)
def calc(n,x):
    if n==0 and x==1:
        return 1
    if x==0 or x==1:
        return 0
    if x<=l[n]//2:
        return calc(n-1,x-1)
    elif x==l[n]//2+1:
        return p[n-1]+1
    else:
        return p[n-1]+1+calc(n-1,x-(l[n-1]+2))

print(calc(N,X))

Fixed submission:
l = [1]
p = [1]
N, X = map(int, input().split())
for i in range(N):
    l.append(l[i] * 2 + 3)
    p.append(p[i] * 2 + 1)


def calc(n, x):
    if l[n] <= x:
        return p[n]
    if x == 0 or x == 1:
        return 0
    if x <= l[n] // 2:
        return calc(n - 1, x - 1)
    elif x == l[n] // 2 + 1:
        return p[n - 1] + 1
    else:
        return p[n - 1] + 1 + calc(n - 1, x - (l[n - 1] + 2))

print(calc(N, X))
Buggy python submission (verdict: Runtime Error):
if input() == '1':
	print('Hello world')
else:
	print(int(input())+int(input())))

Fixed submission:
if input() == '1':
	print('Hello World')
else:
	print(int(input())+int(input()))
Buggy python submission (verdict: Time Limit Exceeded):
import itertools
n,m=map(int,input().split())
mv=m
l=[]
for i in range(2,int(m**0.5)+1):
	while m%i==0:
		l.append(i)
		m//=i
if m>1:l.append(m)
elif m==1 and l is None:l.append(1)

comb=set()
for i in range(len(l)+1):
	for x in itertools.combinations(l,i):
		comb.add(x)
		
ans=1
for i in comb:
	res=1
	for j in i:
		res*=j
	if res<=mv//n:
		ans=max(ans,res)
print(ans)

Fixed submission:
n,m=map(int,input().split())
divis=[]
for i in range(1,int(m**0.5)+1):
	if m%i==0:
		divis.append(i)
		if i!=m//i:
			divis.append(m//i)
ans=1
for i in divis:
	if i<=m//n:
		ans=max(ans,i)
print(ans)
Buggy python submission (verdict: Runtime Error):
import sys
from functools import reduce
sys.setrecursionlimit(1000000)
n,m=map(int,input().split())
dic=dict()
sqrm=int(m**0.5)
for i in range(2,sqrm+1):
    if m%i==0:dic[i]=0
    while m%i==0:
        dic[i]+=1
        m//=i
if m>sqrm:dic[m]=1
ans=1
def comb(a,b):
    p=1
    for i in range(a,a-b,-1):
        p*=i
    for i in range(2,b+1):
        p//=i
    return p
l=[comb(i+n-1,i) for i in dic.values()]
print(reduce(lambda x,y: x*y%1000000007, l))



Fixed submission:
from functools import reduce
n,m=map(int,input().split())
dic=dict()
p=2
while m>=p*p:
    if m%p==0:
        dic[p]=0
        while m%p==0:
            dic[p]+=1
            m//=p
    p+=1
if m!=1:
    if m not in dic.keys():
        dic[m]=0
    dic[m]+=1
def comb(a,b):
    p=1
    for i in range(a,a-b,-1):
        p*=i
    for i in range(2,b+1):
        p//=i
    return p
l=[comb(i+n-1,i) if 1 not in dic.keys() else 1 for i in dic.values() ]
ans=1
for i in l:
    ans=ans*i%1000000007
print(ans)
Buggy python submission (verdict: Runtime Error):
n=int(input())
absn=abs(n)
sign=[1,-1]

b,cnt=1,0
while b<absn*2:
    b*=2
    cnt+=1
ans=[]
while cnt >= 0:
    sub=n-b*sign[cnt%2]
    if abs(sub)<abs(b) or abs(sub)<=abs(n):
        ans.append("1")
        n=sub
    else:
        ans.append("0")
    b//=2
    cnt-=1
for i in range(3):
    if ans[i]=="1":break
print("".join(ans[i::]))



Fixed submission:
n=int(input())
ans=[]
if n%2==1:
    ans.append("1")
    n-=1
else:ans.append("0")
n//=2
while n!=0:
    ans.append("1") if n%2==1 else ans.append("0")
    n//=-2
print("".join(ans[::-1]))
Buggy python submission (verdict: Time Limit Exceeded):
n=int(input())
l=list(map(int,input().split()))
l=[x-i-1 for i,x in enumerate(l)]
ans=10**9
for i in l:
    cal=[abs(x-i) for x in l]
    ans=min(ans,sum(cal))
print(ans)

Fixed submission:
n=int(input())
l=list(map(int,input().split()))
l=sorted([x-i-1 for i,x in enumerate(l)])
x=l[n//2]
print(sum([abs(i-x) for i in l]))
Buggy python submission (verdict: Runtime Error):
n=int(input())
l=list(map(int,input().split()))
print('Four' if 'Y' in l else 'Three')

Fixed submission:
n=int(input())
l=list(map(str,input().split()))
print('Four' if 'Y' in l else 'Three')
Buggy python submission (verdict: Runtime Error):
n=int(input())
p=(0,0)
now=0
for _ in range(2):
    t,x,y=map(int,input().split())
    mov=abs(x-p[0])+abs(y-p[1])
    if t-now<mov or (t-now-mov)%2==1:
        print("No")
        break
else:print("Yes")

Fixed submission:
n=int(input())
p=(0,0)
now=0
for _ in range(n):
    t,x,y=map(int,input().split())
    mov=abs(x-p[0])+abs(y-p[1])
    if t-now<mov or (t-now-mov)%2==1:
        print("No")
        break
    p=(x,y)
    now=t
else:print("Yes")
Buggy python submission (verdict: Runtime Error):
s=list(input())
t=list(input())
if len(s)<len(t):print('UNRESTORABLE')
else:
	for i in range(len(s)-len(t)+1):
		for j in range(len(t)):
			if s[i+j] not in ['?',t[j]]:break
		else:
			s[i:i+len(t)]=t
			break
	else:
		print('UNRESTORABLE')
        exit()
print(''.join(s).replace('?','a'))

Fixed submission:
s=list(input())[::-1]
t=list(input())[::-1]
if len(s)<len(t):print('UNRESTORABLE')
else:
	for i in range(len(s)-len(t)+1):
		for j in range(len(t)):
			if s[i+j] not in ['?',t[j]]:break
		else:
			s[i:i+len(t)]=t
			break
	else:
		print('UNRESTORABLE')
		exit()
	print(''.join(s[::-1]).replace('?','a'))
Buggy python submission (verdict: Runtime Error):
a=list(map(int,input().split()))
if a[0] == a[1]:
	print(a[2])
else:
	if a[0] == a[2]:
		print(a[1])
	else:
		ptint(a[0])

Fixed submission:
a=list(map(int,input().split()))
if a[0] == a[1]:
	print(a[2])
else:
	if a[0] == a[2]:
		print(a[1])
	else:
		print(a[0])
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(r,x,s):
	ed[x-1]=1
	for i in g[x]:
		if i!=r and s!={x,i} and ed[i-1]==0:dfs(x,i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(0,i+1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)

Fixed submission:
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(x,s):
	ed[x-1]=1
	for i in g[x]:
		if s!={x,i} and ed[i-1]==0:dfs(i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(r,x,s):
	ed[x-1]=1
	for i in g[x]:
		if i!=r and s!={x,i}:dfs(x,i,s)
cnt=0
for i in side:
	ed=[0]*n
	dfs(0,1,set(i))
	if 0 in ed:cnt+=1
print(cnt)

Fixed submission:
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(x,s):
	ed[x-1]=1
	for i in g[x]:
		if s!={x,i} and ed[i-1]==0:dfs(i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(r,x,s):
	ed[x-1]=1
	for i in g[x]:
		if i!=r and s!={x,i}:dfs(x,i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(0,1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)

Fixed submission:
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(x,s):
	ed[x-1]=1
	for i in g[x]:
		if s!={x,i} and ed[i-1]==0:dfs(i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(r,x,s):
	ed[x-1]=1
	for i in g[x]:
		if i!=r and s!={x,i}:dfs(x,i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(0,i+1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)

Fixed submission:
n,m=map(int,input().split())
g=[list() for _ in range(n+1)]
side=[list(map(int,input().split())) for i in range(m)]
for a,b in side:
	g[a].append(b)
	g[b].append(a)
cnt=0
def dfs(x,s):
	ed[x-1]=1
	for i in g[x]:
		if s!={x,i} and ed[i-1]==0:dfs(i,s)
cnt=0
for i in range(m):
	ed=[0]*n
	dfs(1,set(side[i]))
	if 0 in ed:cnt+=1
print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
N=int(input())
for h in range(1,3501):
	for n in range(1,3501):
		tmp=4*h*n-N*n-N*h
		if tmp==0:continue
		w=N*n*h/tmp
		if 1<=w<=3500 and w==int(w):
			print(h,n,int(w))
			exit()
		

Fixed submission:
N=int(input())
for h in range(1,3501):
	for n in range(1,3501):
		tmp=4*h*n-N*n-N*h
		if tmp==0:continue
		w=N*n*h/tmp
		if 1<=w<=3500 and w==int(w):
			print(h,n,int(w))
			exit()
Buggy python submission (verdict: Runtime Error):
A,B,C,D,E,F=map(int,input().split())
ans=(0,0,0)
F+=1
E=100*E/(100+E)
for a in range(0,F,A*100):
	for b in range(0,F-a,B*100):
		for c in range(0,F-a-b,C):
          	if a==0 and b==0:break
			for d in range(0,F-a-b-c,D):
				s=a+b+c+d
				e=100*(c+d)/s
				if ans[2]< e <= E:
					ans=(s,c+d,e)
				elif e>E:break
print(ans[0],ans[1])


Fixed submission:
A,B,C,D,E,F=map(int,input().split())
ans=[100,-1]
e=E/(100+E)
W=[a+b for a in range(0,F+1,100*A) for b in range(0,F+1,100*B) if a!=0 or b!=0]
for w in W:
    for c in range(0,F-w+1,C):
        for d in range(0,F-w-c+1,D):
            s=c+d
            if w+s>F or s/(w+s)>e:break
            elif ans[1]/ans[0]<s/(w+s)<=e:
                ans=[w+s,s]
print(ans[0],ans[1])
Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
l=[set(map(int,input().split())) for _ in range(m)]
S=set()
G=set()
for x in l:
	if 1 in x:S.add(max(x))
	elif n in x:G.add(min(x))
S=sorted(S)
G=sorted(G)
i=0
Glen=len(G)
for x in S:
	if i==Glen:break
	elif G[i]<x:
		while i<Glen and G[i]<x:
			i+=1
	if x==G[i]:
		print('POSSIBLE')
		exit()
print('IMPOSSIBLE')

Fixed submission:
n,m=map(int,input().split())
l=[set(map(int,input().split())) for _ in range(m)]
S=set()
G=set()
for x in l:
	if 1 in x:S.add(max(x))
	elif n in x:G.add(min(x))
S=sorted(S)
G=sorted(G)
i=0
Glen=len(G)
for x in S:
	if i==Glen:break
	elif G[i]<x:
		while i<Glen and G[i]<x:
			i+=1
	if i<Glen and x==G[i]:
		print('POSSIBLE')
		exit()
print('IMPOSSIBLE')

Buggy python submission (verdict: Time Limit Exceeded):
n,m=map(int,input().split())
l=[set(map(int,input().split())) for _ in range(m)]
S=set()
G=set()
for x in l:
	if 1 in x:S=S|x
	elif n in x:G=G|x
print('POSSIBLE' if len(S&G)>0 else 'IMPOSSIBLE')

Fixed submission:
n,m=map(int,input().split())
l=[set(map(int,input().split())) for _ in range(m)]
S=set()
G=set()
for x in l:
	if 1 in x:S.add(max(x))
	elif n in x:G.add(min(x))
S=sorted(S)
G=sorted(G)
i=0
Glen=len(G)
for x in S:
	if i==Glen:break
	elif G[i]<x:
		while i<Glen and G[i]<x:
			i+=1
	if i<Glen and x==G[i]:
		print('POSSIBLE')
		exit()
print('IMPOSSIBLE')

Buggy python submission (verdict: Runtime Error):
n,m=map(int,input().split())
l=[set(map(int,input().split())) for _ in range(m)]
S=set()
G=set()
for x in l:
	if 1 in x:S=S+x
	elif n in x:G=G+x
print('POSSIBLE' if len(S&G)>0 else 'IMPOSSIBLE')

Fixed submission:
n,m=map(int,input().split())
l=[set(map(int,input().split())) for _ in range(m)]
S=set()
G=set()
for x in l:
	if 1 in x:S.add(max(x))
	elif n in x:G.add(min(x))
S=sorted(S)
G=sorted(G)
i=0
Glen=len(G)
for x in S:
	if i==Glen:break
	elif G[i]<x:
		while i<Glen and G[i]<x:
			i+=1
	if i<Glen and x==G[i]:
		print('POSSIBLE')
		exit()
print('IMPOSSIBLE')
Buggy python submission (verdict: Runtime Error):
a,b=map(int,input().split())
if not (a%3orb%3or(a+b)%3):
  print('Possible')
else:
  print('Impossible')

Fixed submission:
a,b=map(int,input().split())
if not (a%3 and b%3 and (a+b)%3):
  print('Possible')
else:
  print('Impossible')
Buggy python submission (verdict: Runtime Error):
a,b,c=map(int,input().split())
print('delicious' if c<b else 'safe' if c-b<a else 'dengerous'))

Fixed submission:
a,b,c=map(int,input().split())
print('delicious' if c<=b else 'safe' if c-b<=a else 'dangerous')

Buggy python submission (verdict: Runtime Error):
a,b,c=map(int,input().split())
print('delicious' if b<c else 'safe' if c-b<a else 'dengerous'))

Fixed submission:
a,b,c=map(int,input().split())
print('delicious' if c<=b else 'safe' if c-b<=a else 'dangerous')
Buggy python submission (verdict: Runtime Error):
n=int(input())
s=[int(input()) for i in range(n)]
ten=[]
p=[]
for x in s:
    if x%10==0:ten.append(x)
    else:p.append(x)
ten=sum(ten)
if len(p)==0:print(0)
else:
	p=sorted(p)
    Sum=sum(p)
    print(Sum+ten-p[0] if Sum%10==0 else Sum+ten)

Fixed submission:
n=int(input())
s=[int(input()) for i in range(n)]
ten=[]
p=[]
for x in s:
    if x%10==0:ten.append(x)
    else:p.append(x)
ten=sum(ten)
if len(p)==0:print(0)
else:
    p=sorted(p)
    Sum=sum(p)
    print(Sum+ten-p[0] if Sum%10==0 else Sum+ten)
Buggy python submission (verdict: Time Limit Exceeded):
k,s=map(int,input().split())
cnt=0
for i in range(s+1):
	for j in range(i,s+1):
		if i<=k and j-i<=k and s-j<=k:
			cnt+=1
print(cnt)
		

Fixed submission:
k,s=map(int,input().split())
cnt=0
for i in range(s+1):
    if i>k:
        break
    cnt+= max(0,min(i+k,s)-max(s-k,i)+1)
print(cnt)

Buggy python submission (verdict: Runtime Error):
k,s=map(int,input().split())
cnt=0
for i in range(s+1):
	for j in range(i,s+12 2):
		if i<=k and j-i<=k and s-j<=k:
			cnt+=1
print(cnt)
		

Fixed submission:
k,s=map(int,input().split())
cnt=0
for i in range(s+1):
    if i>k:
        break
    cnt+= max(0,min(i+k,s)-max(s-k,i)+1)
print(cnt)
Buggy python submission (verdict: Time Limit Exceeded):
a,b,x=map(int,input().split())
c=0
for i in range(a,b+1):
	if i%x==0:
		c+=1
print(c)

Fixed submission:
a,b,x=map(int,input().split())
print(b//x-(a-1)//x)
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

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

    for _ in range(min(30,K)):
        B = [0] * (N + 1)
        for i,a in enumerate(A):
            B[max(i - a,0)] += 1
            B[min(i + a + 1,N)] -= 1
        for i in range(N):
            B[i + 1] += B[i]
        A = B
    print(' '.join(map(str,A[:-1])))            
if __name__ == '__main__':
    main()

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

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

    for _ in range(min(100,K)):
        B = [0] * (N + 1)
        for i,a in enumerate(A):
            B[max(i - a,0)] += 1
            B[min(i + a + 1,N)] -= 1
        for i in range(N):
            B[i + 1] += B[i]
        A = B
    print(' '.join(map(str,A[:-1])))            
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(10000000)
MOD = 998244353
INF = 10 ** 15

def main():
    N,S = map(int,input().split())
    A = list(map(int,input().split()))

    dp = [[0]*(1 + S) for _ in range(N + 1)]
    dp[0][0] = pow(2,N,MOD)
    inv2 = pow(2,MOD - 2,MOD)
    for i,a in enumerate(A):
        for j in range(a):
            dp[i + 1][j] = dp[i][j]
        for j in range(a,S + 1):
            dp[i + 1][j] = (dp[i][j] + dp[i][j - a] * inv2)%MOD
    print(dp[N][S])
if __name__ == '__main__':
    main()

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
MOD = 998244353
INF = 10 ** 15

def main():
    N,S = map(int,input().split())
    A = list(map(int,input().split()))

    dp = [[0]*(1 + S) for _ in range(N + 1)]
    dp[0][0] = pow(2,N,MOD)
    inv2 = pow(2,MOD - 2,MOD)
    for i,a in enumerate(A):
        for j in range(S + 1):
            if j < a:
                dp[i + 1][j] = dp[i][j]
            else:
                dp[i + 1][j] = (dp[i][j] + dp[i][j - a] * inv2)%MOD
    print(dp[N][S])
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Runtime Error):
import sys
sys.setrecursionlimit(100000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():  
    N,K = map(int,input().split())
    A = list(map(int,input().split()))
    A = [a - 1 for a in A]
    X = K.bit_length()
    to = [[-1] * X for _ in range(N)]
    for i,a in enumerate(A):
        to[i][0] = a
    for i in range(X - 1):
        for j in range(N):
            to[j][i + 1] = to[to[j][i]][i]
    now = 0
    i = 0
    while K > 0:
        if K&1:
            now = to[now][i]
        i += 1
        K >>= 1
    print(now + 1)
if __name__ == '__main__':
    main()

Fixed submission:
import sys
sys.setrecursionlimit(100000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():
    s = input()
    t = input()
    if s == t[:-1] and len(t) == len(s) + 1:
        print('Yes')
    else:
        print('No')
         
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(100000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():  
    N,K = map(int,input().split())
    A = list(map(int,input().split()))
    A = [a - 1 for a in A]
    X = K.bit_length()
    to = [[-1] * X for _ in range(N)]
    for i,a in enumerate(A):
        to[i][0] = a
    for i in range(X - 1):
        for j in range(N):
            to[j][i + 1] = to[to[j][i]][i]
    now = 0
    i = 0
    while K > 0:
        if K&1:
            now = to[now][i]
        i += 1
        K >>= 1
    print(now + 1)
if __name__ == '__main__':
    main()

Fixed submission:
import sys
sys.setrecursionlimit(100000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():  
    N,K = map(int,input().split())
    A = list(map(int,input().split()))
    A = [a - 1 for a in A]
    visited = {0}
    loop = [0]
    now = 0
    while A[now] not in visited:
        now = A[now]
        visited.add(now)
        loop.append(now)
    
    for i,s in enumerate(loop):
        if s == A[now]:
            X = loop[:i]
            loop = loop[i:]
            break
    if K < len(X):
        print(X[K] + 1)
    else:
        K -= len(X)
        K %= len(loop)
        print(loop[K] + 1)
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
MOD = 10 ** 9 + 7
INF = 10 ** 10
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)

def main():
    s = int(input())

    power = 10
    dic = [0] * 2019
    dic[0] = 1
    for _ in range(len(str(s))):
        x = s%power%2019
        dic[x] += 1
        power *= 10
    
    ans = 0
    for v in dic:
        ans += v*(v - 1)//2
    print(ans)
if __name__ == '__main__':
    main()

Fixed submission:
MOD = 10 ** 9 + 7
INF = 10 ** 10
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)

def main():
    s = input()

    power = 1
    dic = [0] * 2019
    dic[0] = 1
    x = 0
    dic1 = {i:j for i,j in zip('0123456789',range(10))}
    for i in range(len(s)-1,-1,-1):
        x += power * dic1[s[i]]
        x %= 2019
        dic[x] += 1
        power *= 10
        power %= 2019
    
    ans = 0
    for v in dic:
        ans += v*(v - 1)//2
    print(ans)
if __name__ == '__main__':
    main()

Buggy python submission (verdict: Time Limit Exceeded):
MOD = 10 ** 9 + 7
INF = 10 ** 10
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)

def main():
    s = int(input())

    power = 10
    dic = {i:0 for i in range(2019)}
    dic[0] = 1
    for _ in range(len(str(s))):
        x = s%power%2019
        dic[x] += 1
        power *= 10
    
    ans = 0
    for v in dic.values():
        ans += v*(v - 1)//2
    print(ans)
if __name__ == '__main__':
    main()

Fixed submission:
MOD = 10 ** 9 + 7
INF = 10 ** 10
import sys
sys.setrecursionlimit(100000000)
dy = (-1,0,1,0)
dx = (0,1,0,-1)

def main():
    s = input()

    power = 1
    dic = [0] * 2019
    dic[0] = 1
    x = 0
    dic1 = {i:j for i,j in zip('0123456789',range(10))}
    for i in range(len(s)-1,-1,-1):
        x += power * dic1[s[i]]
        x %= 2019
        dic[x] += 1
        power *= 10
        power %= 2019
    
    ans = 0
    for v in dic:
        ans += v*(v - 1)//2
    print(ans)
if __name__ == '__main__':
    main()
Buggy python submission (verdict: Time Limit Exceeded):
import sys
sys.setrecursionlimit(10000000)
MOD = 998244353
INF = 10 ** 15

def main():
    N,S = map(int,input().split())
    A = list(map(int,input().split()))

    before = [0] * (1 + S)
    before[0] = 1
    ans = 0
    for a in A:
        now = [0] * (1 + S)
        for i in range(S + 1):
            now[i] += before[i]
            if i + a <= S:
                now[i + a] += before[i]
                now[i + a] %= MOD
        now[0] += 1
        ans += now[S]
        ans %= MOD
        before = now
    print(ans)
if __name__ == '__main__':
    main()

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
MOD = 998244353
INF = 10 ** 15

def main():
    N,S = map(int,input().split())
    A = list(map(int,input().split()))

    before = [0] * (1 + S)
    before[0] = 1
    ans = 0
    for a in A:
        now = [0] * (1 + S)
        for i in range(S + 1):
            now[i] += before[i]
            if i + a <= S:
                now[i + a] += before[i]
                now[i + a] %= MOD
        now[0] += 1
        ans += now[S]
        ans %= MOD
        before = now
    print(ans)
if __name__ == '__main__':
    main()

Buggy python submission (verdict: Runtime Error):
import sys 
MOD = 10**9 +7
INF = 10**5

def main():
    n,s = map(int,input().split())
    a = list(map(int,input().split()))

    dp = [[0] * (s + 1) for _ in range(n + 1)]
    for i in range(n):
        num = a[i]
        for j in range(1,s + 1):
            dp[i + 1][j] = dp[i][j] + dp[i][j - a[i]]
    
    print(dp[-1][-1])
if __name__=='__main__':
    main()

Fixed submission:
import sys
sys.setrecursionlimit(10000000)
MOD = 998244353
INF = 10 ** 15

def main():
    N,S = map(int,input().split())
    A = list(map(int,input().split()))

    before = [0] * (1 + S)
    before[0] = 1
    ans = 0
    for a in A:
        now = [0] * (1 + S)
        for i in range(S + 1):
            now[i] += before[i]
            if i + a <= S:
                now[i + a] += before[i]
                now[i + a] %= MOD
        now[0] += 1
        ans += now[S]
        ans %= MOD
        before = now
    print(ans)
if __name__ == '__main__':
    main()