yeah

#include <iostream>
#include <fstream>
#include <ctime>
#include <cstdlib>
using namespace std;
ofstream ofs("problema.in");
int main()
{
    double d=clock();
    int minim=-100, maxim=100, n=1000000;
    srand(time(NULL));
    ofs<<n<<"\n";
    for(int i=0; i<n; i++)
    {
        int l = rand()*rand();
        l=minim+l%(maxim-minim+1);
        ofs<<l<<" ";
    }
    cout<<(clock()-d)/CLOCKS_PER_SEC<<"s";
}