Run ID Author Problem Lang Verdict Time Memory Code Length Submit Time
1294 wsy18287021689 [在线测评解答教程] 求和 C++ Accepted 1 MS 252 KB 154 2022-11-24 22:06:46

Tests(10/10):


#include<bits/stdc++.h> using namespace std; int main() { int n; while (scanf("%d",&n)!=EOF) { printf("%d\n",n*(n+1)/2); } return 0; }


Judgement Protocol: