# Random Walk/이진훈

---
```~cpp
#include <iostream>
#include <ctime>
using namespace std;

const int Arsize = 3;
int pan[3][3] =	{
{0,0,0},
{0,0,0},
{0,0,0}
};

int count = 1;
int count00 = 0;
int count01 = 0;
int count02 = 0;
int count10 = 0;
int count11 = 0;
int count12 = 0;
int count20 = 0;
int count21 = 0;
int count22 = 0;

int countz();

void main()
{
srand(time(0));
int x = rand()%3;
int y = rand()%3;
int a = 0 , b = 0;
int z = countz();
while(z)
{
x = x+a;
y = y+b;
pan[x][y] = 1;
do
{
a = rand()%3 - 1;
b = rand()%3 - 1;
if (a == 0 && b == 0)
continue;
else if ((x+a >= 0 && x+a < 3) && (y+b >= 0 && y+b < 3))
{
if (x+a == 0 && y+b == 0)
count00++;
else if (x+a == 0 && y+b == 1)
count01++;
else if (x+a == 0 && y+b == 2)
count02++;
else if (x+a == 1 && y+b == 0)
count10++;
else if (x+a == 1 && y+b == 1)
count11++;
else if (x+a == 1 && y+b == 2)
count12++;
else if (x+a == 2 && y+b == 0)
count20++;
else if (x+a == 2 && y+b == 1)
count21++;
else if (x+a == 2 && y+b == 2)
count22++;
break;
}
}while(true);
count++;
z = countz();
}
for (int i = 0;i<3;i++)//출력부..
{
for (int k = 0;k<3;k++)
cout << pan[i][k];
cout << endl;
}
cout << count00 << " " << count01 << " " << count02 << endl;
cout << count10 << " " << count11 << " " << count12 << endl;
cout << count20 << " " << count21 << " " << count22 << endl;
}

int countz()//빈칸없나 체크하는 함수.
{
int k = 0;
for (int i = 0;i<3;i++)
for(int j = 0;j<3;j++)
{
if (pan[i][j] == 0)
k++;
}
return k;
}
```
---