46692

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
46692	zhouhuanyu 玙静	求和	C++	Accepted	0 MS	248 KB	151	2024-05-05 09:17:37

#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n; int n1 = n - 1; int n2 = n + 1; cout << n1 + n2; return 0; }