44648

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
44648	yuzhengxun	求1+2+3+...	C++	Accepted	0 MS	248 KB	148	2024-03-31 18:26:38

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