http://acm.hdu.edu.cn/showproblem.php?pid=4450
侮辱人的智商的题目
代码:
#include<iostream> #include<cstdio> #include<cstring> #include<cmath> #include<algorithm> #include<vector> #include<set> #include<queue> #include<stack> #include<map> #include<string> #include<iomanip> using namespace std; #define LL long long const int INF=0x5fffffff; const double FINF=1e9; const LL MOD=365*24*60*60; const int N=100005; int main() { //freopen("data.txt","r",stdin); int n; while(cin>>n) { if(!n) break; int ans=0; for(int i=0;i<n;++i) { int tmp; cin>>tmp; ans+=tmp*tmp; } cout<<ans<<endl; } return 0; }