diff --git a/contents/algorithms/array.md b/contents/algorithms/array.md
index 95475bdf..b7186c9b 100644
--- a/contents/algorithms/array.md
+++ b/contents/algorithms/array.md
@@ -47,3 +47,4 @@ When you are given two arrays to process, it is common to have one index per arr
 - [Search in Rotated Sorted Array](https://leetcode.com/problems/search-in-rotated-sorted-array/)
 - [3Sum](https://leetcode.com/problems/3sum/)
 - [Container With Most Water](https://leetcode.com/problems/container-with-most-water/)
+- [Sliding Window Maximum](https://leetcode.com/problems/sliding-window-maximum/)