C. New Year and the Sphere Transmission

#include <iostream>

using namespace std;

int main()
{
    int x = 2, n, i, S = 0, copie, m;
    cin >> n;
    copie = (n * (n + 1)) / 2;
    cout << copie << " ";
    for(i = 2; i < n - 1; i++){
        S = 1;
        m = 1;
        m = m + x;
        while( m != 1 ){
            S += m;
            m += x;
            if( m > n ){
                m = m - n;
            }
        }
        x++;
        if( S < copie ){
            cout << S << " ";
            copie = S;
        }
    }
    cout << 1;
}