diff --git a/src/week2/BOJ1325/BOJ1325_V1.cpp b/src/week2/BOJ1325/BOJ1325_V1.cpp
new file mode 100644
index 0000000..770fb0e
--- /dev/null
+++ b/src/week2/BOJ1325/BOJ1325_V1.cpp
@@ -0,0 +1,50 @@
+#include <bits/stdc++.h>
+using namespace std;
+int visited[10000];
+vector<vector<int>> relation;
+int N,M;
+int max_cnt = -1;
+vector<int> ret;
+
+int dfs(int here) {
+    visited[here] = 1;
+    int ret = 1;
+
+    for (int i : relation[here]) {
+        if (visited[i]) continue;
+        ret += dfs(i);
+    }
+
+    return ret;
+}
+
+int main() {
+
+    cin >> N >> M;
+    relation = vector<vector<int>>(N+1);
+
+    for (int i = 0; i < M; i++) {
+        int A,B;
+        cin >> A >> B;
+        relation[B].push_back(A);
+    }
+
+    for (int i = 1; i <= N; i++) {
+        fill(visited, visited + N + 1, 0);
+        int cnt = dfs(i);
+        if (cnt > max_cnt) {
+            ret.clear();
+            max_cnt = cnt;
+            ret.push_back(i);
+        } else if (cnt == max_cnt) {
+            ret.push_back(i);
+        }
+    }
+
+    for (int i : ret) {
+        cout << i << " ";
+    }
+
+
+    return 0;
+}
\ No newline at end of file