PKU Judge Online 3086 Triangular Sums

■3086 Triangular Sums

□Problem
省略．

□Solution
省略．

□Code

package p3086;

import java.util.*;
import java.lang.*;
import java.math.*;
import java.io.*;

import static java.lang.Math.*;
import static java.util.Arrays.*;

// AC
public class Main{

    Scanner sc=new Scanner(System.in);

    final int INF=Integer.MAX_VALUE;
    final double EPS=1e-9;

    void run(){
        int N=sc.nextInt();
        for(int k=1; k<=N; k++){
            int n=sc.nextInt();
            int ans=0;
            for(int i=1; i<=n; i++)
                ans+=i*(i+1)*(i+2)/2;
            println(k+" "+n+" "+ans);
        }
    }

    void print(String s){
        System.out.print(s);
    }

    void println(String s){
        System.out.println(s);
    }

    public static void main(String[] args){
        // System.setOut(new PrintStream(new BufferedOutputStream(System.out)));
        new Main().run();
    }
}