Run ID:92358

提交时间:2024-10-01 09:43:51

#include<iostream> using namespace std; int main(){ cout<<3.1415926*1*1<<endl; cout<<3.1415926*3*3<<endl; cout<<3.1415926*5*5<<endl; cout<<3.1415926*7*7<<endl; cout<<3.1415926*9*9<<endl; return 0; }