diff --git a/src/week6/BOJ2670/BOJ2670_V1.cpp b/src/week6/BOJ2670/BOJ2670_V1.cpp
new file mode 100644
index 0000000..679962f
--- /dev/null
+++ b/src/week6/BOJ2670/BOJ2670_V1.cpp
@@ -0,0 +1,30 @@
+#include <bits/stdc++.h>
+using namespace std;
+double arr[10000];
+int main() {
+
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+    cout.tie(nullptr);
+
+    int N;
+    cin >> N;
+
+    for(int i=0; i<N; i++) {
+        cin >> arr[i];
+    }
+
+    double ret = arr[0];
+    double cur = arr[0];
+    for (int i=1; i<N; i++) {
+        if (cur * arr[i] < arr[i]) {
+            cur = arr[i];
+        } else {
+            cur *= arr[i];
+        }
+        ret = max(cur, ret);
+    }
+
+    cout << fixed << setprecision(3) << ret << '\n';
+    return 0;
+}