// [ub] C standard library headers in C++ are in the pattern of <c[library-name]> instead of <[library-name].h>
// stdlib.h -> cstdlib, stdio.h -> cstdio, etc.

#include <functional>
#include <iostream>
#include <random> // [ub] Using C++ random instead of old school C random
#include <string>

// [ub] Try not to import entire namespaces if you can get away with it (just specific things you're using)
using std::cout;
using std::endl;

class menstats { // [ub] You could call this MentalStats or something... it's 2019, we're not limited to 80 character line lengths anymore ;)

    //data for mental ability
public:
    // [ub] Is there a good reason for these to be publicly mutable? Also naming comment above applies here.
    int perce; //oblivious / keen eyed
    int spati; //bad spatial reasoning / good spatial reasoning
    int intel; //bad patern recog / good patern recog

    menstats(const std::function<int(void)> &randomizer) {
        perce = randomizer();
        spati = randomizer();
        intel = randomizer();
    }

    menstats (const std::function<int(void)> &fuzzer, const menstats &a, const menstats &b) {
        perce = (((a.perce + b.perce) / 2) + fuzzer());
        spati = (((a.spati + b.spati) / 2) + fuzzer());
        intel = (((a.intel + b.intel) / 2) + fuzzer());
    }
};

int main() {
    std::random_device device;
    std::default_random_engine generator{device()};

    std::uniform_int_distribution<int> distribution(1, 10);
    auto randomizer = std::bind(distribution, generator);

    std::uniform_int_distribution<int> fuzzyDistribution(0, 3);
    auto fuzzer = std::bind(fuzzyDistribution, generator);

    menstats one(randomizer);
    menstats two(randomizer);
    menstats three(fuzzer, one, two);

    cout << one.perce << endl;
    cout << one.spati << endl;
    cout << one.intel << endl;
    cout << two.perce << endl;
    cout << two.spati << endl;
    cout << two.intel << endl;
    cout << three.perce << endl;
    cout << three.spati << endl;
    cout << three.intel << endl;
    return 0;
}