提交时间:2020-07-27 21:15:59
运行 ID: 5172
#include<bits/stdc++.h> using namespace std; int main(){ int h,r,v,t; cin>>h>>r; v=3.14159269*h*r*r; if(20000/v==0){ t=20000/v; cout<<t; } else(20000/v!=0);{ t=20000/v+1; cout<<t; } return 0; }