21130

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
21130	xingru	剪绳子	C++	Accepted	0 MS	240 KB	149	2023-06-23 15:08:11

#include<bits/stdc++.h> using namespace std; int main(){ int c,a=2; cin>>c; for(int i=0;i<c-1;i++){ a=a*2; } cout<<a+1; return 0; }