Zad 3 losowość

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main()

{

    int suma=0;
    int a=10;
    int b=20;
    srand(time(NULL));
    for(int i=0;i<100;i++){
        cout<<a+rand()%(b-a+1)<<endl;
        suma=suma+(a+rand()%(b-a+1));
    }
    cout<<suma<<endl;
    return 0;
}