public class YangHui {

public static void main(String[] args) {

int yh[][] = new int[10][10];

for(int i = 0 ; i < yh.length ; i++) {

for(int j = 0 ; j <= i ; j++) {

if(j == 0 || i == j) {

yh[i][j] = 1;

}else{

yh[i][j] = yh[i-1][j] + yh[i-1][j-1];

}

System.out.print(yh[i][j]+"\t");

}

System.out.println();

}

}

}