/*
程序的运行结果如下：
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1
1 10 45 120 210 252 210 120 45 10 1
*/
public class LotteryArray
{
public static void main(String[] args)
{
final int NMAX=10;
int[][] odds=new int[NMAX+1][];
for(int n=0;n<=NMAX;n++)
odds[n]=new int[n+1];
for(int n=0;n<odds.length;n++)//行
for(int k=0;k<odds[n].length;k++)
{
int lotteryOdds=1;
for(int i=1;i<=k;i++)
lotteryOdds=lotteryOdds*(n-i+1)/i;
odds[n][k]=lotteryOdds;
}
for(int[] row:odds)
{
for(int odd:row)
System.out.printf("%4d",odd);
System.out.println();
}
}
}