41672

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
41672	lmz120809	求1+2+3+...	C++	Accepted	0 MS	240 KB	148	2024-02-23 09:02:29

#include<iostream> using namespace std; int main() { int n,sum=0; cin>>n; for(int i=1;i<=n;i++){ sum+=i; } cout<<sum; return 0; }