正方形的面积与圆的面积比较2021.8.14

wuyiting1030

#include<iostream>
using namespace std;
int a,b;
float c,d;
int main(){
cin>>a>>b;
a=b;
c=(a/4)*(a/4);
d=(b/3.14/2)*(b/3.14/2)*3.14;
if(c>d)cout<<"正";
else cout<<"圆";
return 0;
}