giúp e với ạ !

em xin cảm ơn

#include <bits/stdc++.h>
using namespace std;
long long n, s, dem, ma[1000];
int main() 
{
    cin >> s;
    while(s--)
    {
        cin >> n;
        if(sqrt(n) == trunc(sqrt(n))) 
        {
            ma[dem] = n;
            dem++;
        }
    }
    cout << "Mang co " << dem << " so chinh phuong do la cac so: ";
    for(int a = 0; a < dem; a++)
        cout << ma[a] << " ";
    return 0;
}

$#khanhtaon$

import sys

sys.stdin = open('BAI03.INP', 'r')

sys.stdout = open('BAI03.OUT', 'w')

from math import sqrt 

def kt(n):

    if n < 0:  return False    

    return int(sqrt(n)) * int(sqrt(n)) == n

N = int(input())

a = [int(x) for x in input().split()]

d = 0

for i in a:

    if kt(i):

        d += 1

print(f"Mang co {d} so chinh phuong, do la cac so:", end = ' ')

for k in a:

    if kt(i):

        print(k, end = ' ')