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/**
* @version 1.00 11 Mar 1997
* @author Cay Horstmann
*/
import java.math.BigInteger;
public class BigIntegerTest {
public static BigInteger lotteryOdds(int high, int number) {
BigInteger r = new BigInteger("1");
int i;
for (i = 1; i <= number; i++) {
r = r.multiply(BigInteger.valueOf(high)).divide(
BigInteger.valueOf(i));
high--;
}
return r;
}
public static void main(String[] args) {
int numbers = 100;
//("How many numbers do you need to draw?");
int topNumber = 100;
//"What is the highest number you can draw?");
BigInteger oddsAre = lotteryOdds(topNumber, numbers);
System.out.println("Your odds are 1 in " + oddsAre + ". Good luck!");
}
}
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