It's a little bit easier to learn every day. A simple C language program, used to review C language, the code is easy to understand. If you have any questions, please don't hesitate to comment.

/*******************************************
Write a push box program with the simplest C language statement.
********************************************/
#include <stdio.h>  
#include <conio.h>
#include<stdlib.h> 

int map[9][11] = {
    {0,1,1,1,1,1,1,1,1,1,0},  //0 for open space
    {0,1,0,0,0,1,0,0,0,1,0},  //1 represents the wall
    {0,1,0,4,4,4,4,4,0,1,0},  //3 for destination
    {0,1,0,4,0,4,0,4,0,1,1},  //4 for box
    {0,1,0,0,0,0,0,0,4,0,1},  //5 representatives 
    {1,1,0,1,1,1,1,0,4,0,1},
    {1,0,8,3,3,3,3,1,0,0,1},  //2 3 4 5 6 7 8 9 1 0
    {1,0,3,3,3,3,3,0,0,1,1},
    {1,1,1,1,1,1,1,1,1,1,0} };

//Map / / 2D array + switch()
void DrawMap()
{
    //Traverse 2D array / / 0 print space / / 1 wall / / 3 destination / / what structure?
    for (int i = 0; i < 9; i++)
    {
        for (int j = 0; j < 11; j++)
        {
            //if  else  switch
            switch (map[i][j])
            {
            case 0:
                printf("  ");
                break;
            case 1:
                printf("■");
                break;
            case 3:
                printf("☆");
                break;
            case 4:
                printf("□");
                break;
            case 5:
                printf("♀");  //5 person
                break;
            case 7:     //4 + 3 boxes in destination
                printf("★");
                break;
            case 8:     // 5 + 3 people in the destination?
                printf("♀");
                break;
            }
        }
        printf("\n");
    }
}


void PlayGame()
{
    int r, c;  //Human subscript//
    for (int i = 0; i < 9; i++)
    {
        for (int j = 0; j < 11; j++)
        {
            if (map[i][j] == 5||map[i][j]==8)   //i j person's subscript?
            {
                r = i;
                c = j;
            }
        }
    }

    char ch;  //Character variable
    ch = getch();  //Keyboard input saved to characters
    // Getch() getchar() receives keyboard characters
    // getch() receives directly without displaying palindromes getchar() displays palindromes and can modify the end of the enter key

    //Change different values according to different keys
    switch (ch)
    {
    case 'W':  //W A S D direction 72 80 75 77 virtual key value ASCII windowvk up VK tab VK return
    case 'w':
    case 72:
        if (map[r - 1][c] == 0|| map[r - 1][c] == 3) 
        {
            map[r - 1][c] += 5;
            map[r][c] -= 5;
        }
        else if (map[r - 1][c] == 4 || map[r - 1][c] == 7)
        {
            if (map[r - 2][c] == 0 || map[r - 2][c] == 3)
            {
                map[r - 2][c] += 4;
                map[r - 1][c] += 1;
                map[r][c] -= 5;
            }
        }



        break;

    case 'S':  //Confirm the function of enter key to return
    case 's':
    case 80:
        if (