CPlusPlus(CPP,c++) Programming Language Errors       

I had the code bellow returing this error
warning C4244: ‘argument’ : conversion from ‘time_t’ to ‘unsigned int’, possible loss of data
class quiz {
    public:
        int a,b;
public:
    int  Crandom(){
            srand(time(0));
            return rand() % 6 + …