#include <vector>

struct spin {bool up; bool down;}
struct entangled_spin {bool up_1; bool up_2; bool down_1; bool down_2; }

struct state { double prob_up; double prob_down; }
struct entangled_state {}




spin measure (particle measured) {

}


int main(int argc, char const *argv[])
{

    std::vector<spin> v;
    spin electron_spin;
    spin positron_spin;


    \\ uncorrelated measurements
    for (int trial=1; trial<=1000; trial++) {
        particle positron;
        particle electron;
        measure_spin(positron)
    }

    \\ entangled measurements
    for (int trial=1; trial<=1000; trial++) {
        entangled_pair pair = new entangled_pair(
            particle position, 
            particle electron);
        measure_spin(positron)
    }

    return 0;


//=============================================================================