一个简单的彩票中奖程序

import java.util.*; import java.math.*; public class BigIntegerTest { public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.print("hihhsdckncd"); int k = in.nextInt(); System.out.print("hcdhchdocicd "); int n = in.nextInt(); BigInteger lotteryOdds = BigInteger.valueOf(1); for(int i = 1;i <= k;i++) lotteryOdds = lotteryOdds.multiply(BigInteger.valueOf(n -i + 1)).divide(BigInteger.valueOf(i)); System.out.println("you odds are 1 in" + lotteryOdds +".Good luck"); } }