文件目录

#include <iostream>
using namespace std;
int main()
{
    int n;
    cin >> n;
    for (int i = 1; i * i <= n; i++)
        cout << i * i << " ";
    return 0;
}
int ans1()
{
    bool m[1050] = {}; // 全设为false ，代表关门状态
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= n; j++)
            if (j % i == 0)
                m[j] = !m[j];
    for (int i = 1; i <= n; i++)
        if (m[i])
            cout << i << " ";
    return 0;
}