if(argc < 2) { cout<<"Please input the number of circle points"<<endl; }

int npoints = atoi(argv[1]); int circle_count = 0;

srand(time(NULL));

double xValue, yValue; for(int i = 0; i < npoints; i++) { //Generate random numbers xValue = (double) rand()/RAND_MAX; yValue = (double) rand()/RAND_MAX;

if(sqrt((xValue*xValue)+(yValue*yValue)) <= 1) { circle_count++; } }

double pi, ds;

cout<<circle_count<<"/"<<npoints<<endl; ds = (double)circle_count/npoints; cout<<ds<<endl; pi = ((4.0)*ds);

cout<<"PI = "<< pi <<endl;

return 0;