hdu4450-Draw Something

http://acm.hdu.edu.cn/showproblem.php?pid=4450

不多说

// File Name: hdu4450.cpp// Author: bo_jwolf// Created Time: 2013年05月24日 星期五 14:33:25#include<vector>#include<list>#include<map>#include<set>#include<deque>#include<stack>#include<queue>#include<bitset>#include<algorithm>#include<functional>#include<numeric>#include<utility>#include<sstream>#include<iostream>#include<iomanip>#include<cstdio>#include<cmath>#include<cstdlib>#include<cstring>#include<ctime>using namespace std;int main(){int n ; int ans , a ;while( scanf( "%d" , &n ) != EOF && n){ans = 0 ;while( n-- ){scanf( "%d" ,&a ) ;ans += a * a ;}printf("%d\n",ans);}return 0;}