Run ID Author Problem Lang Verdict Score Time Memory Code Length Submit Time
314195 胡芷萱 NOIP2015 普及:第一题 金币 C++ Accepted 100 0 MS 272 KB 181 2024-12-12 17:11:59

Tests(10/10):


#include<iostream> using namespace std; int main() { long k,n=1,sum=0; cin>>k; while (n<=k) { sum+=n*n; k=k-n; n=n+1; } sum+=k*n; cout<<sum; return 0; }


Judgement Protocol: