오답
#include <iostream>
#include <vector>
#include <string>
#include <sstream>
#include <vector>
#include <string>
#include <queue>
using namespace std;
int n, m;
int map[10][10];
int result = 0;
int dx[4] = { -1,1,0,0 };
int dy[4] = { 0,0,-1,1 };
int visited[100][100] = { 0 };
vector<pair<int, int>> safe_zone;
vector<pair<int, int>> imfact_zone;
vector<pair<int, int>> walls;
void searchimfactzone(int a, int b) {
if (visited[a][b] == 1) {
return;
}
priority_queue<pair<int, int>> q;
q.push(make_pair(a, b));
while (!q.empty()) {
int x = q.top().first;
int y = q.top().second;
visited[x][y] = 1;
q.pop();
for (int i = 0; i < 4; i++) {
int nx = dx[i] + x;
int ny = dy[i] + y;
if (0 <= nx && nx < n && 0 <= ny && ny < m && map[nx][ny] == 0 && visited[nx][ny] == 0 && map[nx][ny] !=1) {
map[nx][ny] = 2;
q.push(make_pair(nx, ny));
}
}
}
}
void searchsafezone(int a, int b) {
if (visited[a][b] == 1) {
return;
}
priority_queue<pair<int, int>> q;
q.push(make_pair(a, b));
while (!q.empty()) {
int x = q.top().first;
int y = q.top().second;
visited[x][y] = 1;
q.pop();
if (map[x][y] == 0) {
cout << x << " " << y << "구역 비감염 구역" << endl;
result++;
}
for (int i = 0; i < 4; i++) {
int nx = dx[i] + x;
int ny = dy[i] + y;
if (0 <= nx && nx < n && 0 <= ny && ny < m && map[nx][ny] == 0 && visited[nx][ny] == 0 && map[nx][ny] != 1) {
q.push(make_pair(nx, ny));
}
}
}
}
void input() {
cin >> n >> m;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
int a;
cin >> a;
if (a == 0) {
safe_zone.push_back(make_pair(i, j));
}
else if (a == 1) {
walls.push_back(make_pair(i, j));
}
else if (a == 2) {
imfact_zone.push_back(make_pair(i, j));
}
}
}
}
void bfs() {
for (int i = 0; i < imfact_zone.size(); i++) {
int x = imfact_zone[i].first;
int y = imfact_zone[i].second;
searchimfactzone(x, y);
}
memset(visited, 0, size(visited));
for (int i = 0; i < safe_zone.size(); i++) {
int x = safe_zone[i].first;
int y = safe_zone[i].second;
searchsafezone(x, y);
}
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
input();
bfs();
cout << result;
return 0;
}