Buggy python submission (verdict: Runtime Error):
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    if one_pop_count != 0:
        one_mod = (one_mod *2 + int(b))%one_pop_count
        zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220000
for i in range(1, 220000):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220000
zero_pow2 = [1]*220000
for i in range(1, 220001):
    if one_pop_count != 0:
        one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
        zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        if one_pop_count != 0:
            nxt = one_mod
            nxt -= one_pow2[i]
            nxt %= one_pop_count
            print(f[nxt]+1)
        else:
            print(0)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)

Fixed submission:
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    if one_pop_count != 0:
        one_mod = (one_mod *2 + int(b))%one_pop_count
    zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220001
for i in range(1, 220001):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220001
zero_pow2 = [1]*220001
for i in range(1, 220001):
    if one_pop_count != 0:
        one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
    zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        if one_pop_count != 0:
            nxt = one_mod
            nxt -= one_pow2[i]
            nxt %= one_pop_count
            print(f[nxt]+1)
        else:
            print(0)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)

Buggy python submission (verdict: Runtime Error):
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    if one_pop_count != 0
        one_mod = (one_mod *2 + int(b))%one_pop_count
        zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220000
for i in range(1, 220000):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220000
zero_pow2 = [1]*220000
for i in range(1, 220001):
    if one_pop_count != 0
        one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
        zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        if one_pop_count != 0
            nxt = one_mod
            nxt -= one_pow2[i]
            nxt %= one_pop_count
            print(f[nxt]+1)
        else:
            print(0)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)

Fixed submission:
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    if one_pop_count != 0:
        one_mod = (one_mod *2 + int(b))%one_pop_count
    zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220001
for i in range(1, 220001):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220001
zero_pow2 = [1]*220001
for i in range(1, 220001):
    if one_pop_count != 0:
        one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
    zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        if one_pop_count != 0:
            nxt = one_mod
            nxt -= one_pow2[i]
            nxt %= one_pop_count
            print(f[nxt]+1)
        else:
            print(0)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)

Buggy python submission (verdict: Runtime Error):
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    one_mod = (one_mod *2 + int(b))%one_pop_count
    zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220001
for i in range(1, 220001):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220001
zero_pow2 = [1]*220001
for i in range(1, 220001):
    one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
    zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        nxt = one_mod
        nxt -= one_pow2[i]
        nxt %= one_pop_count
        print(f[nxt]+1)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)
        
    
    

Fixed submission:
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    if one_pop_count != 0:
        one_mod = (one_mod *2 + int(b))%one_pop_count
    zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220001
for i in range(1, 220001):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220001
zero_pow2 = [1]*220001
for i in range(1, 220001):
    if one_pop_count != 0:
        one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
    zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        if one_pop_count != 0:
            nxt = one_mod
            nxt -= one_pow2[i]
            nxt %= one_pop_count
            print(f[nxt]+1)
        else:
            print(0)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)

Buggy python submission (verdict: Runtime Error):
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    one_mod = (one_mod *2 + int(b))%one_pop_count
    zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220000
pop_count = [0]*220000
for i in range(1, 220000):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220000
zero_pow2 = [1]*220000
for i in range(1, 220000):
    one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
    zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        nxt = one_mod
        nxt -= one_pow2[i]
        nxt %= one_pop_count
        print(f[nxt]+1)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)

Fixed submission:
n = int(input())
x = input()

original_pop_count = x.count('1')
one_pop_count = original_pop_count - 1
zero_pop_count = original_pop_count + 1

one_mod = 0
zero_mod = 0
for b in x:
    if one_pop_count != 0:
        one_mod = (one_mod *2 + int(b))%one_pop_count
    zero_mod = (zero_mod *2 + int(b))%zero_pop_count

f = [0]*220001
pop_count = [0]*220001
for i in range(1, 220001):
    pop_count[i] = pop_count[i//2] + i%2
    f[i] = f[i%pop_count[i]] + 1

one_pow2 = [1]*220001
zero_pow2 = [1]*220001
for i in range(1, 220001):
    if one_pop_count != 0:
        one_pow2[i] = one_pow2[i-1] *2 % one_pop_count
    zero_pow2[i] = zero_pow2[i-1] *2 % zero_pop_count

for i in range(n-1, -1, -1):
    if x[n-1-i] == '1':
        if one_pop_count != 0:
            nxt = one_mod
            nxt -= one_pow2[i]
            nxt %= one_pop_count
            print(f[nxt]+1)
        else:
            print(0)

    if x[n-1-i] == '0':
        nxt = zero_mod
        nxt += zero_pow2[i]
        nxt %= zero_pop_count
        print(f[nxt]+1)