poj 1045 Bode Plot

#include <iostream>#include <stdio.h>#include <stdlib.h>#include <math.h>using namespace std;int n;double vs, r, c, w;int main(){     scanf("%lf%lf%lf%d", &vs, &r, &c, &n);     while (n--)     {         scanf("%lf", &w);         printf("%.3fn", r * c * w * vs * sqrt(1/(r*r*c*c*w*w + 1)));     }     return 0;}