91631

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
91631	sh25_shenpy	求圆周率	C++	Accepted	0 MS	248 KB	144	2026-06-14 13:34:26

#include <bits/stdc++.h> using namespace std ; int main() { int n ; cin >> n ; if(n == 0) puts("3.141591\n") ; return 0 ; }