yanghui.java

JAVA 经典编程实例 JAVA 经典编程实例 JAVA 经典编程实例

class Yanghui
{
	public static void main (String args[])
	{
		int i,j;
		int yhlevel=10;
		int yanghui[][];
		System.out.println("杨晖三角形:");
		//动态配置内存空间
		yanghui=new int[yhlevel][];
		for(i=0;i<yanghui.length;i++)
			yanghui[i]=new int[i+1];
		//计算杨晖三角形
		yanghui[0][0]=1;
		for (i=1; i<yanghui.length;i++)
		{
			yanghui[i][0]=1;
			for(j=1;j<yanghui[i].length-1;j++)
				yanghui[i][j]=yanghui[i-1][j-1]+yanghui[i-1][j];
			yanghui[i][yanghui[i].length-1]=1;
		}
		//输出杨晖三角形
		for (i=0; i<yanghui.length;i++)
		{
			for(j=0;j<yanghui[i].length;j++)
				System.out.print(yanghui[i][j]+" ");
			System.out.println();
		}
	}
}