用c++代码求解此题

#include <iostream>
using namespace std;
int main()
{
    int fwc=0;
    int qs = 0;
    int f = 0;
    while(fwc<50)
    {
        qs++;
        f=qs*2;
        if(f<8)
            fwc+=f;
        else
            fwc+=8;

    }
    cout<<qs<<","<<fwc<<endl;
    return 0;
}