Questions

Easy

• 219. Contains Duplicate II
• 1876. Substrings of Size Three with Distinct Characters

Medium

• 3. Longest Substring Without Repeating Characters
• 220. Contains Duplicate III
• 395. Longest Substring with At Least K Repeating Characters
• 438. Find All Anagrams in a String
• 1004. Max Consecutive Ones III
• 1151. Minimum Swaps to Group All 1's Together
• 1423. Maximum Points You Can Obtain from Cards
• 1438. Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
• 1477. Find Two Non-overlapping Sub-arrays Each With Target Sum
• 1658. Minimum Operations to Reduce X to Zero
• 1695. Maximum Erasure Value
• 1696. Jump Game VI
• 1838. Frequency of the Most Frequent Element
• 1839. Longest Substring Of All Vowels in Order
• 1888. Minimum Number of Flips to Make the Binary String Alternating