妈妈生的

wa了一个，坑定不是我的问题（

#include <iostream>
using namespace std;
int n = 10, m = 10;
char mp[55][55];
bool vis[55][55];
int dir[4][2] = {-1, 0, 0, -1, 0, 1, 1, 0};
bool flag;
bool check(int x, int y){
	if(x < 1) return 0;
	if(x > n) return 0;
	if(y < 1) return 0;
	if(y > m) return 0;
	if(vis[x][y]) return 0;
	if(mp[x][y] == '#') return 0;
	return 1;
}
int xz, yz;
void dfs(int x, int y){
	if(x == xz && y == yz){
		flag = 1;
		return;
	}
	vis[x][y] = 1;
	for(int i = 0; i < 4; i++){
		int xx = x + dir[i][0];
		int yy = y + dir[i][1];
		if(check(xx, yy)){
			dfs(xx, yy);
			
		}
		//vis[xx][yy] = 0;
	}
}

int main(){
	for(int i = 1; i <= 10; i++){
		for(int j = 1; j <= 10; j++){
			cin >> mp[i][j];
            if(mp[i][j] == '%') xz = i, yz = j;
		}
	}dfs(1, 1);
	if(flag) cout << "欧了";
	else cout << "不";
	
	return 0;
	
}