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推了半天,水过了,64题纪念//============================================================================
// Name : main1045.cpp
// Author :
// Version :
// Copyright : Your copyright notice
// Description : Hello World in C++, Ansi-style
//============================================================================
#include <iostream>
#include <cmath>
#include <stdio.h>
using namespace std;
int main() {
double C, R, VS;
int n;
cin >> VS >> R >> C >> n;
for(int i = 0; i < n; i++){
double W;
cin >> W;
double V2 = R*C*W*VS/(R*R*C*C*W*W+1)/sin(atan(1/R/C/W));
printf("%.3lf\n", V2);
}
//cout << "!!!Hello World!!!" << endl; // prints !!!Hello World!!!
return 0;
}
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