Random Walk/문원명

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

int end(int aBoard[][5]); 
void output(int aBoard[][5]); 


void main() 
{ 
        int board[5][5]; 
        srand(time(0));  
        int setX = rand() %5; 
        int setY = rand() %5; 
        int answer,go,x,y; 
      
        for(int i = 0; i < 5; i++) 
                for(int j = 0; j < 5; j++) 
                        board[i][j]=0; 
        board[setX][setY] += 1; 
        x = setX; 
        y = setY; 
         
        do 
        { 
               
				go = rand() % 8;
				switch(go)
				{
					case 0 : 
						x--;
						y++;
						if(x == -1)
							x += 2;
						if(y == 5)
							y -= 2;
						break;
					case 1 :
						y++;
						if(y == 5)
							y -= 2;
						break;
					case 2 : 
						x++;
						y++;
						if(x == 5)
							x -= 2;
						if(y == 5)
							y -= 2;
					case 3 :
						x--;
						if(x == -1)
							x += 2;
						break;
					case 4 :
						x++;
						if(x == 5)
							x -= 2;
						break;
					case 5 :
						x--;
						y--;
						if(x == -1)
							x += 2;
						if(y == -1)
							y += 2;
						break;
					case 6 :
						y--;
						if(y == -1)
							y += 2;
						break;
					case 7 :
						x++;
						y--;
						if(x == 5)
							x -= 2;
						if(y == -1)
							y += 2;
				}
                board[y][x] += 1; 
                
                answer = end(board); 
        }while(answer == 1); 
        output(board); 
} 

 
int end(int aBoard[][5]) 
{ 
        int find = 0; 
        find = 0; 
        int aAnswer; 
        for(int m = 0 ; m < 5 ; m++) 
                for(int n = 0 ; n < 5 ;n++) 
                        if (aBoard[m][n] == 0) 
                                find++;                                                 //0이 있으면 카운트 
        if (find != 0) aAnswer = 1;                                             //0이 있으면 1 리턴 
        else aAnswer = 0; 
        return aAnswer; 
} 
         
void output(int aBoard[][5]) 
{ 
        for(int s = 0 ; s < 5 ; s++) 
        { 
                for(int t = 0 ; t < 5 ;t++) 
                { 
                        cout << aBoard[s][t] << "\t"; 
                } 
                cout << endl; 
        } 
        cout << endl; 
}