48591

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
48591	menziyi	求1+2+3+...	C++	Accepted	0 MS	244 KB	152	2024-06-09 16:58:43

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