Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
37329 IKUN(ZHC) 求1+2+3+... C++ Accepted 0 MS 252 KB 122 2024-01-20 10:55:06

Tests(1/1):

#include<bits/stdc++.h> using namespace std; int main(){ int n,s; cin>>n; s=(1+n)*n/2; cout<<s; return 0; }

Judgement Protocol: