Problem p02609 (python)

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

N = int(input())
X = input()
Xint = int(X, 2)
Xcount = X.count("1")

"""
0010
1010 10(mod2) -> 0
i = n-1の時だけ +1
0011 -> 3 -> 1->0
0110 -> 6(mod2) -> 0
"""

if Xcount == 1:
    for i in range(N):
        if X[i] == "1":
            print(0)
        elif i == N-1:
            print(2)
        else:
            print(1)
    exit()

Modplus, Modminus = Xint%(Xcount+1), Xint%(Xcount-1)

def f(x):
    if x == 0:
        return 0
    return f(x%bin(x).count("1"))+1

for i in range(N):
    if X[i] == "1":
        print(1+f((Modminus-pow(2, N-1-i, Xcount-1))%(Xcount-1)))
    else:
        print(1+f((Modplus+pow(2, N-1-i, Xcount+1))%(Xcount+1)))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline

N = int(input())
X = input()
Xint = int(X, 2)
Xcount = X.count("1")

"""
0010
1010 10(mod2) -> 0
i = n-1の時だけ +1
0011 -> 3 -> 1->0
0110 -> 6(mod2) -> 0
"""

if C == 1:
    for i in range(N):
        if X[i] == "1":
            print(0)
        elif i == N-1:
            print(2)
        else:
            print(1)
    exit()

Modplus, Modminus = Xint%(Xcount+1), Xint%(Xcount-1)

def f(x):
    if x == 0:
        return 0
    return f(x%bin(x).count("1"))+1

for i in range(N):
    if X[i] == "1":
        print(1+f((Modminus-pow(2, N-1-i, Xcount-1))%(Xcount-1)))
    else:
        print(1+f((Modplus+pow(2, N-1-i, Xcount+1))%(Xcount+1)))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
#N, K = (int(i) for i in input().split())
#B = [int(x) for x in input().split()]
#A = [[int(i) for i in input().split()] for i in range(N)]


def my_popcount(n):
    c = (n & 0x5555555555555555) + ((n>>1) & 0x5555555555555555)
    c = (c & 0x3333333333333333) + ((c>>2) & 0x3333333333333333)
    c = (c & 0x0f0f0f0f0f0f0f0f) + ((c>>4) & 0x0f0f0f0f0f0f0f0f)
    c = (c & 0x00ff00ff00ff00ff) + ((c>>8) & 0x00ff00ff00ff00ff)
    c = (c & 0x0000ffff0000ffff) + ((c>>16) & 0x0000ffff0000ffff)
    c = (c & 0x00000000ffffffff) + ((c>>32) & 0x00000000ffffffff)
    return c


def f(x, cur):
    #print(x, cur)
    cnt = cur
    tmp = x
    while tmp:
        tmp = tmp%my_popcount(tmp)
        cnt +=1
    return cnt


N = int(input())
X = input()

Xint = int(X, 2)
popcountX = X.sum()
#print("test", Xint, popcountX)
plus = Xint%(popcountX+1)
minus = 0
if popcountX != 1:
    minus = Xint%(popcountX-1)

X = list(X)
for i in range(N):
    if X[i] == "0":
        #print("arg", Xint%(popcountX+1), (2**(N-1-i))%(popcountX+1))
        print(f((plus + (2**(N-1-i))%(popcountX+1))%(popcountX+1), 1))
    else:
        if popcountX == 1:
            print(0)
        else:
            print(f((minus - (2**(N-1-i))%(popcountX-1))%(popcountX-1), 1))

Buggy submission (verdict: Runtime Error):
import sys
input = sys.stdin.readline
#N, K = (int(i) for i in input().split())
#B = [int(x) for x in input().split()]
#A = [[int(i) for i in input().split()] for i in range(N)]


def f(x, cur):
    #print(x, cur)
    if x == 0:
        return cur
    return f(x%bin(x).count("1"), cur+1)

N = int(input())
X = input()

Xint = int(X, 2)
popcountX = X.count("1")
#print("test", Xint, popcountX)
plus = Xint%(popcountX+1)
minus = Xint%(popcountX-1)

for i in range(N):
    if X[i] == "0":
        #print("arg", Xint%(popcountX+1), (2**(N-1-i))%(popcountX+1))
        print(f((plus + (2**(N-1-i))%(popcountX+1))%(popcountX+1), 1))
    else:
        if popcountX == 1:
            print(0)
        else:
            print(f((minus - (2**(N-1-i))%(popcountX-1))%(popcountX-1), 1))