diff --git a/src/week3/BOJ9934/BOJ9934_V1.cpp b/src/week3/BOJ9934/BOJ9934_V1.cpp
new file mode 100644
index 0000000..e80bc00
--- /dev/null
+++ b/src/week3/BOJ9934/BOJ9934_V1.cpp
@@ -0,0 +1,41 @@
+#include <bits/stdc++.h>
+using namespace std;
+vector<vector<int>> ret;
+int inp_arr[1024];
+int k;
+void dfs(int size, int level, int idx) {
+    if(size == 0)
+        return;
+
+    int next_size = size/2;
+    int left = idx-next_size-1;
+    int right = idx+next_size+1;
+    ret[level+1].push_back(inp_arr[left]);
+    ret[level+1].push_back(inp_arr[right]);
+    dfs(next_size, level+1, left);
+    dfs(next_size, level+1, right);
+
+}
+int main() {
+
+    cin >> k;
+    int size = 1 << k;
+    size -=  1;
+    for (int i=0; i<size; i++) {
+        cin >> inp_arr[i];
+    }
+
+    ret.resize(k, vector<int>());
+    ret[0].push_back(inp_arr[size/2]);
+    dfs(size/2, 0, size/2);
+
+    for (int i=0; i<k; i++) {
+        size = ret[i].size();
+        for (int j=0; j<size; j++) {
+            cout << ret[i][j] << " ";
+        }
+        cout << '\n';
+    }
+
+    return 0;
+}
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