yanghui.java

来自「java课件 java课件 java课件 java课件」· Java 代码 · 共 25 行

// YangHui.java
public class YangHui{
  public static void main(String args[]){
    int i,j;
    int yhlevel=20;
    int yanghui[][]=new int[yhlevel][];
    for(i=0;i<yanghui.length;i++)
      yanghui[i]=new int[i+1];

    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;
    }

    for(i=0;i<yanghui.length;i++){
      for(j=0;j<yanghui[i].length;j++)
       System.out.print(yanghui[i][j]+" ");
      System.out.println();
    }
  }
}