leno23 · leno23 · May 17, 2026
diff --git a/leetcode-videos/2210-2219/2210-count-hills-and-valleys-in-an-array.mp4 b/leetcode-videos/2210-2219/2210-count-hills-and-valleys-in-an-array.mp4
diff --git a/leetcode-videos/2210-2219/2211-count-collisions-on-a-road.mp4 b/leetcode-videos/2210-2219/2211-count-collisions-on-a-road.mp4
diff --git a/leetcode-videos/2210-2219/2212-maximum-points-in-an-archery-competition.mp4 b/leetcode-videos/2210-2219/2212-maximum-points-in-an-archery-competition.mp4
diff --git a/leetcode-videos/2210-2219/2213-longest-substring-of-one-repeating-character.mp4 b/leetcode-videos/2210-2219/2213-longest-substring-of-one-repeating-character.mp4
diff --git a/leetcode-videos/2210-2219/2214-minimum-health-to-beat-game.mp4 b/leetcode-videos/2210-2219/2214-minimum-health-to-beat-game.mp4
diff --git a/leetcode-videos/2210-2219/2215-find-the-difference-of-two-arrays.mp4 b/leetcode-videos/2210-2219/2215-find-the-difference-of-two-arrays.mp4
diff --git a/leetcode-videos/2210-2219/2216-minimum-deletions-to-make-array-beautiful.mp4 b/leetcode-videos/2210-2219/2216-minimum-deletions-to-make-array-beautiful.mp4
diff --git a/leetcode-videos/2210-2219/2217-find-palindrome-with-fixed-length.mp4 b/leetcode-videos/2210-2219/2217-find-palindrome-with-fixed-length.mp4
diff --git a/leetcode-videos/2210-2219/2218-maximum-value-of-k-coins-from-piles.mp4 b/leetcode-videos/2210-2219/2218-maximum-value-of-k-coins-from-piles.mp4
diff --git a/leetcode-videos/2210-2219/2219-maximum-sum-score-of-array.mp4 b/leetcode-videos/2210-2219/2219-maximum-sum-score-of-array.mp4
diff --git a/leetcode-videos/2210-2219/README.md b/leetcode-videos/2210-2219/README.md
@@ -0,0 +1,12 @@
+# LeetCode 2210-2219 题解视频
+
+- 2210. Count Hills and Valleys in an Array — `2210-count-hills-and-valleys-in-an-array.mp4`
+- 2211. Count Collisions on a Road — `2211-count-collisions-on-a-road.mp4`
+- 2212. Maximum Points in an Archery Competition — `2212-maximum-points-in-an-archery-competition.mp4`
+- 2213. Longest Substring of One Repeating Character — `2213-longest-substring-of-one-repeating-character.mp4`
+- 2214. Minimum Health to Beat Game — `2214-minimum-health-to-beat-game.mp4`
+- 2215. Find the Difference of Two Arrays — `2215-find-the-difference-of-two-arrays.mp4`
+- 2216. Minimum Deletions to Make Array Beautiful — `2216-minimum-deletions-to-make-array-beautiful.mp4`
+- 2217. Find Palindrome With Fixed Length — `2217-find-palindrome-with-fixed-length.mp4`
+- 2218. Maximum Value of K Coins From Piles — `2218-maximum-value-of-k-coins-from-piles.mp4`
+- 2219. Maximum Sum Score of Array — `2219-maximum-sum-score-of-array.mp4`