poj 2959(水题,注意是直径和球球之间距离)
作者:互联网
#include<iostream> #include<cmath> using namespace std; #define PI 3.14159265 int main(){ double D,d,s; int n,result; scanf("%d",&n); while(n--){ scanf("%lf%lf%lf",&D,&d,&s); result = floor(PI/(PI/2-acos((d+s)/(D-d)))); printf("%d\n",result); } return 0; }
标签:lf%,include,水题,球球,scanf,int,poj,result,PI 来源: https://www.cnblogs.com/stevenzrx/p/15620824.html