标签:void 表示 数据 zhang 经典 ++ script sys ring
package com.zhangwl.数据结构.稀疏数组;
/**
* @ClassName SparseArray
* @Description 棋盘游戏演示
* @Author zhangwl
* @Date 2019/10/10 22:54
* @Version 1.0
**/
public class SparseArray {
public static void main(String[] args) {
/*创建一个原始的二维数组11 * 11 ,0:表示没有棋子 ;1:表示黑子;2:表示蓝子*/
int[][] chessArr = new int[11][11];
chessArr[1][2] = 1;
chessArr[2][3] = 2;
System.out.println("原始的二维数组~~");
for (int[] row : chessArr) {
for (int data : row) {
System.out.printf("%d\t", data);
}
System.out.println();
}
System.out.println("************************二维数组转换为稀疏数组*********************************");
/*1、先遍历二位数组得到非0元素的个数*/
int sum = 0;
for (int i = 0; i < 11; i++) {
for (int j = 0; j < 11; j++) {
if (chessArr[i][j] != 0) {
sum++;
}
}
}
/*2、创建对应的稀疏数组*/
int[][] sparseArr = new int[sum + 1][3];
/*3、给稀疏数组赋值*/
//第一行
sparseArr[0][0] = 11;
sparseArr[0][1] = 11;
sparseArr[0][2] = sum;
int count = 0;
for (int i = 0; i < 11; i++) {
for (int j = 0; j < 11; j++) {
if (chessArr[i][j] != 0) {
count++;
sparseArr[count][0] = i;
sparseArr[count][1] = j;
sparseArr[count][2] = chessArr[i][j];
}
}
}
System.out.println("遍历稀疏数组~~");
for (int[] row : sparseArr) {
for (int data : row) {
System.out.printf("%d\t", data);
}
System.out.println();
}
System.out.println("************************稀疏数组转换为二维数组*********************************");
int rowLen = sparseArr[0][0];
int colLen = sparseArr[0][1];
int[][] origionChessArr = new int[rowLen][colLen];
System.out.println("输出恢复后的二维数组1~~");
for (int[] row : origionChessArr) {
for (int data : row) {
System.out.printf("%d\t", data);
}
System.out.println();
}
/*利用稀疏数组给原始数组进行赋值*/
for (int i = 1; i < sparseArr.length; i++) {
int tempRowLen = sparseArr[i][0];
int tempColLen = sparseArr[i][1];
int tempArrVal = sparseArr[i][2];
origionChessArr[tempRowLen][tempColLen] = tempArrVal;
}
System.out.println("输出恢复后的二维数组2~~");
for (int[] row : origionChessArr) {
for (int data : row) {
System.out.printf("%d\t", data);
}
System.out.println();
}
}
}
运行结果:
原始的二维数组~~
0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0
0 0 0 2 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
************************二维数组转换为稀疏数组*********************************
遍历稀疏数组~~
11 11 2
1 2 1
2 3 2
************************稀疏数组转换为二维数组*********************************
输出恢复后的二维数组1~~
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
输出恢复后的二维数组2~~
0 0 0 0 0 0 0 0 0 0 0
0 0 1 0 0 0 0 0 0 0 0
0 0 0 2 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0
标签:void 表示 数据 zhang 经典 ++ script sys ring
原文地址:https://www.cnblogs.com/sico/p/11651443.html