This commit is contained in:
Fengyi Chen
2024-05-14 22:28:09 +08:00
parent 4d5ff00243
commit 4b8c0c58eb
11 changed files with 298 additions and 11 deletions

View File

@ -0,0 +1,10 @@
#include <iostream>
using namespace std;
int main()
{
double a;
cin >> a ;
printf("%.2lf", a * a / 4);
return 0;
}