2016秋季练习

来源：LightOJ1024

Java学习一个

import java.util.*; 
import java.math.*;  
import java.io.*;
public class Main{
    public static void main(String args[]){
        Scanner input = new Scanner(System.in);
        int n;
        BigInteger du;
        int T,nc = 1;
        T = input.nextInt();
        while(T>0){
            T--;
            n = input.nextInt();
            BigInteger start = BigInteger.ONE;
            for(int i=0;i