So i wrote a small and basic program where i had to read n, a and b.
In the program i am supposed to find how to write n as a sum of numbers that are equal to a or b.
But the number of a’s should be maximum. Now when i tried to read the numbers n, a and be with cin it kept reading n.(I introduced a number and pressed enter and it was still waiting for a prompt infinitely)

So here is my program:

#include <iostream>
using namespace std;

int n, a, b, nrb;

int main() {
    cin >> n;
    while(n % a != 0) {
        n -= b;
        nrb++;
    }
    for(int i = a; i <= n; i++) {
        cout << a << ' ';
    }
    for(int i = 1; i <= nrb; i++) {
        cout << b << ' ';
    }
}