Răspuns:
3.#include <iostream>
using namespace std;
int main()
{
int n = 0;
cin >> n;
cout << n;
return 0;
}
4.#include <iostream>
int x = -1, maxim = -1;
while( x != 0 )
cin >> x;
if( x > maxim )
maxim = x;
cout << maxim;
Explicație:
