44113

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
44113	tangjunze	求1+2+3+...	C++	Accepted	0 MS	240 KB	139	2024-03-29 14:53:32

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