mathquiz.cpp

#include <random>
#include <iostream>

using namespace std;
random_device dev;
int sets=5;

void mathquiz()
{
    std::mt19937 rng(dev());
    std::uniform_int_distribution<std::mt19937::result_type> distxx(0,99);
    int var[sets][4],tally=0;
    for(int i=0; i<sets; i++)
    {
        var[i][0]=distxx(rng);
        var[i][1]=distxx(rng);
        var[i][2]=var[i][0]+var[i][1];
        cout<<var[i][0] << " + " << var[i][1] << " = ";
        cin >> var[i][3];
        if(var[i][2] == var[i][3])
                {
                        tally++;
                }
        cout << endl;

    }
    cout << tally << " out of " << sets << " were answered correctly. " << endl;
}

int main()
{
    mathquiz();
    return 0;
}