#include <iostream>
#include <vector>
using namespace std;

int n = 5, m = 5;

vector<vector<int>> board = {
    {0,0,0,0,0},
    {0,1,1,1,0},
    {0,1,0,1,0},
    {0,1,1,1,0},
    {0,0,0,0,0}
};

vector<vector<int>> visited(5, vector<int>(5, 0));

int dx[4] = {0, 0, -1, 1};
int dy[4] = {-1, 1, 0, 0};

void dfs(int y, int x) {
    visited[y][x] = 1;

    for(int i = 0; i < 4; i++) {
        int ny = y + dy[i];
        int nx = x + dx[i];

        cout << "검사: " << ny << " " << nx << "\n";

        // 틀린 조건
        if(nx >= 0 || ny >= 0 || nx < n || ny < m) {
            cout << "continue 걸림\n";
            continue;
        }

        if(visited[ny][nx]) continue;

        dfs(ny, nx);
    }
}

int main() {
    dfs(0, 0);
}