ZZULIOJ 1002: 简单多项式求值 Java

http://acm.zzuli.edu.cn/problem.php?id=1002

//package com.company;
import java.util.*;
public class Main {

    public static void main(String[] args) {
        Scanner cin=new Scanner(System.in);
        int a=cin.nextInt();
        int ans;
        ans=2*a*a+a+8;
        System.out.printf("%d\n",ans);

    }
}