44649

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
44649	zhangchunhong	求1+2+3+...	C++	Accepted	0 MS	236 KB	167	2024-03-31 18:27:16

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