package com.ctgu.java.exer;
public class TestYangHui {
public static void main(String[] args){
int[][] yangHui = new int[13][];
for(int i = 0;i < yangHui.length;i++){
yangHui[i] = new int[i+1];
}
for(int i = 0; i <yangHui.length;i++){
for(int j = 0;j < yangHui[i].length;j++){
yangHui[i][0] = yangHui[i][i]=1;
if(i>1 && j >0 && j <i){
yangHui[i][j] = yangHui[i-1][j] + yangHui[i-1][j-1];
}
}
}
for(int i = 0 ;i <yangHui.length;i++){
for(int j = 0; j < yangHui[i].length;j++){
System.out.print(yangHui[i][j] + "\t");
}
System.out.println();
}
}
}
转载于:https://blog.51cto.com/9815936/1601171