Buggy python submission (verdict: Runtime Error):
import math as math

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
for i in range(math.ceil(N/2)+1,N):
    ANS[i] = A[i]

fnum=math.ceil(N/2)
for i in range(fnum,-1,-1):
    j = i + 1
    tsum=A[i]
    for k in range(j,N+1,j):
        tsum+=ANS[k-1]
    ANS[i]=tsum%2

#print(ANS)
anslist=[]
for i in range(N):
    if ANS[i]==1:
        anslist.append(i+1)
 
print(len(anslist))
for s in anslist:
    print(s, end =" ")



Fixed submission:
import math as math

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
for i in range(math.floor(N/2)+1,N):
    ANS[i] = A[i]

fnum=math.floor(N/2)
for i in range(fnum,-1,-1):
    j = i + 1
    tsum=A[i]
    for k in range(j,N+1,j):
        tsum+=ANS[k-1]
    ANS[i]=tsum%2

#print(ANS)
anslist=[]
for i in range(N):
    if ANS[i]==1:
        anslist.append(i+1)
 
print(len(anslist))
for s in anslist:
    print(s, end =" ")

Buggy python submission (verdict: Time Limit Exceeded):
def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    return divisors

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)

ansList = []
for i in range(len(A),0,-1):
    if(ANS[i-1]%2!=A[i-1]):
        tList = make_divisors(i)
        for j in tList:
            ANS[j-1]+=1
        ansList.append(i)
print(len(ansList))

for i in ansList:
    print(i, end=" ")


Fixed submission:
import math as math

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
for i in range(math.floor(N/2)+1,N):
    ANS[i] = A[i]

fnum=math.floor(N/2)
for i in range(fnum,-1,-1):
    j = i + 1
    tsum=A[i]
    for k in range(j,N+1,j):
        tsum+=ANS[k-1]
    ANS[i]=tsum%2

#print(ANS)
anslist=[]
for i in range(N):
    if ANS[i]==1:
        anslist.append(i+1)
 
print(len(anslist))
for s in anslist:
    print(s, end =" ")

Buggy python submission (verdict: Time Limit Exceeded):
def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    divisors.sort()
    return divisors

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
sum=0
ansList = []
for i in range(len(A),0,-1):
    if(ANS[i-1]%2!=A[i-1]):
        tList = make_divisors(i)
        for j in tList:
            ANS[j-1]+=1
        ansList.append(i)
print(len(ansList))

for i in ansList:
    print(i, end=" ")


Fixed submission:
import math as math

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
for i in range(math.floor(N/2)+1,N):
    ANS[i] = A[i]

fnum=math.floor(N/2)
for i in range(fnum,-1,-1):
    j = i + 1
    tsum=A[i]
    for k in range(j,N+1,j):
        tsum+=ANS[k-1]
    ANS[i]=tsum%2

#print(ANS)
anslist=[]
for i in range(N):
    if ANS[i]==1:
        anslist.append(i+1)
 
print(len(anslist))
for s in anslist:
    print(s, end =" ")

Buggy python submission (verdict: Time Limit Exceeded):
def make_divisors(n):
    divisors = []
    for i in range(1, int(n**0.5)+1):
        if n % i == 0:
            divisors.append(i)
            if i != n // i:
                divisors.append(n//i)

    divisors.sort()
    return divisors

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
sum=0
ansList = []
for i in range(len(A),0,-1):
    if(ANS[i-1]%2!=A[i-1]):
        tList = make_divisors(i)
        for j in tList:
            ANS[j-1]+=1
        sum+=1
        ansList.append(i)
ansList.sort()
#print("")
#print(A)
#print(ANS)
print(sum)
for i in ansList:
    print(i, end=" ")

Fixed submission:
import math as math

N = int(input())
A = list(map(int, input().split()))
ANS = [0]*len(A)
for i in range(math.floor(N/2)+1,N):
    ANS[i] = A[i]

fnum=math.floor(N/2)
for i in range(fnum,-1,-1):
    j = i + 1
    tsum=A[i]
    for k in range(j,N+1,j):
        tsum+=ANS[k-1]
    ANS[i]=tsum%2

#print(ANS)
anslist=[]
for i in range(N):
    if ANS[i]==1:
        anslist.append(i+1)
 
print(len(anslist))
for s in anslist:
    print(s, end =" ")