diff --git a/hanbkim/bfs/7576.cpp b/hanbkim/bfs/7576.cpp
new file mode 100644
index 0000000..c90730c
--- /dev/null
+++ b/hanbkim/bfs/7576.cpp
@@ -0,0 +1,69 @@
+#include <iostream>
+#include <algorithm>
+#include <queue>
+#include <tuple>
+
+int map[1000][1000];
+int visit[1000][1000];
+std::queue<std::tuple<int, int, int> > queue;
+
+int dy[] = {1, -1, 0, 0};
+int dx[] = {0, 0, 1, -1};
+
+int	bfs(int N, int M)
+{
+	int day = 0;
+	while (!queue.empty())
+	{
+		std::tuple<int, int, int> next = queue.front();
+		queue.pop();
+		day = std::get<2>(next);
+		for (int i = 0; i < 4; ++i)
+		{
+			int ny = std::get<0>(next) + dy[i];
+			int nx = std::get<1>(next) + dx[i];
+			if (ny < 0 || ny >= N || nx < 0 || nx >= M)
+				continue ;
+			if (visit[ny][nx] || map[ny][nx] == -1)
+				continue;
+			visit[ny][nx] = true;
+			map[ny][nx] = 1;
+			queue.push(std::make_tuple(ny, nx, std::get<2>(next) + 1));
+		}
+	}
+	return day;
+}
+
+int main()
+{
+	int	N, M;
+
+	std::cin >> M >> N;
+	for (int i = 0; i < N; ++i)
+	{
+		for (int j = 0; j < M; ++j)
+		{
+			std::cin >> map[i][j];
+			if (map[i][j] == 1)
+			{
+				queue.push(std::make_tuple(i, j, 0));
+				visit[i][j] = true;
+			}
+		}
+	}
+
+	int day = bfs(N, M);
+	for (int i = 0; i < N; ++i)
+	{
+		for (int j = 0; j < M; ++j)
+		{
+			if (map[i][j] == 0)
+			{
+				std::cout << -1 << '\n';
+				return 0;
+			}
+
+		}
+	}
+	std::cout << day << '\n';
+}