2641.txt

来自「北大ACM题目例程 详细的解答过程 程序实现 算法分析」· 文本 代码 · 共 27 行

Problem Id:2641  User Id:fzk 
Memory:40K  Time:0MS
Language:C++  Result:Accepted

Source 

#include "stdio.h"
#include "math.h"

int main( )
{
	int a, b, s, n, m;
	double x, y;
	
	while( scanf( "%d %d %d %d %d", &a, &b, &s, &m, &n ) )
	{
		if( a == 0 )
			break;
		x = b*n;
		y = a*m;
		printf( "%.2lf %.2lf\n", atan2( x, y )/acos(-1)*180, sqrt( x*x + y*y ) / s );
	}
	
	return 0;
}