Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
59455 王一涵（吃土豆长大的马铃薯） 求1+2+3+... C++ Accepted 0 MS 248 KB 170 2024-12-26 16:40:31

Tests(1/1):

#include<bits/stdc++.h> using namespace std; int lj(int n){ if(n==1) return 1; return lj(n-1)+n; } int main(){ int n; cin>>n; cout<<lj(n); return 0; }

Judgement Protocol: