00003031.txt

C++经典算法.rar很经典的

Problem Id:1045  User Id:00003031 
Memory:36K  Time:10MS 
Language:C++  Result:Accepted

Source 
#include <iostream.h> 
#include <math.h> 
#include <iomanip.h> 

double r,c,vs,angle; 
double w,vr; 

int main() 
{ 
    double temp; 
    cout.setf(ios::fixed); 
    cout.precision(3); 
    int n; 
    cin>>vs>>r>>c; 
    cin>>n; 
    for(int j=0;j<n;j++) 
    { 
        cin>>w; 
        temp=r*c*w; 
        angle=atan(1/temp); 
        vr=temp*sin(w)*vs/(temp*sin(angle+w)-cos(angle+w)); 
        cout<<vr<<endl; 
    } 
    return 0; 
}