public class YangHui {
public static void main(String args[]) {
int r = 5
int a[][] = new int[r + 1][]
for (int i = 0i <= ri++) {
a[i] = new int[i + 1]
}
yanghui(a, r)
}
static void yanghui(int a[][], int r) {
for (int i = 0i <= ri++)
for (int j = 0j <= a[i].length - 1j++) {
if (i == 0 || j == 0 || j == a[i].length - 1)
a[i][j] = 1
else
a[i][j] = a[i - 1][j - 1] + a[i - 1][j]
}
for (int i = 0i <= ri++) {
for (int j = 0j <= a[i].length - 1j++)
System.out.print(a[i][j] + " ")
System.out.println()
}
}
}
public class y {public static void main(String[] args) {
int[][] a=new int[10][10]
for(int i=0i<10i++) {
for(int k = 0k <4*(10-1-i)k++)System.out.print(" ")
for(int j=0j<=ij++) {
if(j==0||i==j) a[i][j]=1
if(i<9) a[i+1][j+1]=a[i][j]+a[i][j+1]
System.out.printf("%4d",new Integer[]{new Integer(a[i][j])})
}
System.out.println()
}
}
}
