7235

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
7235	huangshengxuan	剪绳子	C++	Accepted	0 MS	248 KB	171	2023-02-02 11:39:43

#include<bits/stdc++.h> using namespace std; int main() { int n,sum=2; cin>>n; if(n>0){ sum+=2*n-1; cout<<sum; } else{ cout<<sum; } return 0; }