走迷宫

#include <stdio.h>
#include <stdlib.h>

void show(int a[10][10])
{
printf("----------------------------\n");
for (int i = 0; i < 10;i++)
{
for (int j = 0; j < 10;j++)
{
printf("%3d", a[i][j]);
}
printf("\n");
}
}

void main()
{
int a[10][10] = {
{,  0, 0, 2,  0,  0,  0,0,0,0 },
{ 0, 0, 2, 0 , 0, 0, 0, 0, 0,0 },
{ 0, 0, 2, 2, 2, 0, 0, 0, 0, 0 },
{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 0, 0, 2, 0, 0, 0, 0, 0 },
{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 },
{ 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 },
　　　　　　　　　　　　};
show(a);

int x, y;
x = 0;
y = 0;
a[x][y] = 1;

show(a);

while (1)
{

char ch = getchar();
getchar();//回车

switch (ch)
{
case 'a':
if (y - 1 >= 0 && a[x][y - 1]!=2)
{
int temp = a[x][y - 1];
a[x][y - 1] = a[x][y];
a[x][y] = temp;
y = y - 1;

}

break;
case 'd':
if (y + 1 <= 9 && a[x][y + 1] != 2)
{
int temp = a[x][y +1];
a[x][y + 1] = a[x][y];
a[x][y] = temp;
y = y + 1;

}

break;
case 'w':
if (x - 1 >= 0 && a[x-1][y ] != 2)
{
int temp = a[x-1][y];
a[x-1][y ] = a[x][y];
a[x][y] = temp;
x-=1;

}
break;
case 's':
if (x + 1 <= 9 && a[x + 1][y] != 2)
{
int temp = a[x + 1][y];
a[x + 1][y] = a[x][y];
a[x][y] = temp;
x += 1;

}

break;
default:
break;
}
show(a);

}

system("pause");

}