72695

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
72695	sh25_zhuwy	分苹果	C++	Accepted	0 MS	244 KB	151	2025-11-02 13:52:09

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