1)#include <iostream>using namespace std;void draw_square(int n){ for(int y = 0; y < n; y++) { for (int x = 0; x < n; x++) cout << "*"; cout << endl; }}int main(){ int n; cin >> n; draw_square(n); return 0;}2)#include <iostream>using namespace std;void drawNumbers(int a){ while(a > 0) { cout << a%10 << endl; a /= 10; }}int main(){ int a; cin >> a; drawNumbers(a); return 0;}3)#include <iostream>using namespace std;int main(){ //можно гораздо быстрей, но мне лень int a; cin >> a; for(int i = 1; i <= a; i++) if(a%i==0) cout << i << " "; return 0;}4)#include <iostream>using namespace std;void procedure(int a){ int b = a; int c = 1; while(b > 0) {c *= 10; b/=10;} while(c > 1) { cout << (a%c)/(c/10) << endl; c /= 10; }}int main(){ int a; cin >> a; procedure(a); return 0;}