[Solved] IF statement and rand() function not working properly. (C++)

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The value output by your first rand() call:

cout << (rand()%6) << endl ;

is not the same as the value tested in your second call:

if((rand()%6) <= 3) {

You cannot infer the later from the former. To get a grasp of it, replace your if test with:

const int alea = rand() % 6;
std::cout << "alea = " << alea << "\n";
if (alea <= 3) {
    std::cout << "way\n";
}

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solved IF statement and rand() function not working properly. (C++)