package com.jishu.array;
import java.util.Arrays;
public class arrayDemo04 {
public static void main(String[] args) {
//1.创建一个 二维数组 11*11 0:没有棋子 ,1:黑棋, 2白棋
int[][] array1=new int[11][11];
array1[1][2] =1;
array1[2][3] =1;
System.out.println("输出原始数据");
for (int[] ints : array1) {
for (int anInt : ints) {
System.out.print(anInt+"\t");
}
System.out.println();
}
//转换为稀疏数组
//获取有效值的个数
int sum=0;
for (int i = 0; i < 11; i++) {
for (int j = 0; j < 11; j++) {
if(array1[i][j]!=0){
sum++;
}
}
}
System.out.println("=======================================");
System.out.println("输出有效值"+sum);
//2.创建一个稀疏数组
int[][] array2 = new int[sum+1][3];
array2[0][0] =11;
array2[0][1] = 11;
array2[0][2] = sum;
//遍历二维数组 将非零的值 存放在稀疏数组中
int count=0;
for (int i = 0; i <array1.length ; i++) {
for (int j = 0; j < array1[i].length ; j++) {
if(array1[i][j]!=0){
count++;
array2[count][0]=i;
array2[count][1]=j ;
array2[count][2]=j ;
}
}
}
//输出稀疏数组
System.out.println("输出稀疏数组");
for (int i = 0; i <array2.length ; i++) {
System.out.println(array2[i][0]+
"\t"+array2[i][1]+ "\t"+array2[i][2]+ "\t");
}
}
}