| 229. Majority Element II | | | Solve | Medium | | |
| 299. Bulls and Cows | | | Solve | Medium | | |
| 347. Top K Frequent Elements | | | Solve | Medium | | |
| 451. Sort Characters By Frequency | | | Solve | Medium | | |
| 621. Task Scheduler | | | Solve | Medium | | |
| 692. Top K Frequent Words | | | Solve | Medium | | |
| 767. Reorganize String | | | Solve | Medium | | |
| 811. Subdomain Visit Count | | | Solve | Medium | | |
| 869. Reordered Power of 2 | | | Solve | Medium | | |
| 900. RLE Iterator | | | Solve | Medium | | |
| 923. 3Sum With Multiplicity | | | Solve | Medium | | |
| 945. Minimum Increment to Make Array Unique | | | Solve | Medium | | |
| 1010. Pairs of Songs With Total Durations Divisible by 60 | | | Solve | Medium | | |
| 1054. Distant Barcodes | | | Solve | Medium | | |
| 1079. Letter Tile Possibilities | | | Solve | Medium | | |
| 1090. Largest Values From Labels | | | Solve | Medium | | |
| 1198. Find Smallest Common Element in All Rows | | | Solve | Medium | | |
| 1267. Count Servers that Communicate | | | Solve | Medium | | |
| 1347. Minimum Number of Steps to Make Two Strings Anagram | | | Solve | Medium | | |
| 1366. Rank Teams by Votes | | | Solve | Medium | | |
| 1400. Construct K Palindrome Strings | | | Solve | Medium | | |
| 1419. Minimum Number of Frogs Croaking | | | Solve | Medium | | |
| 1481. Least Number of Unique Integers after K Removals | | | Solve | Medium | | |
| 1497. Check If Array Pairs Are Divisible by k | | | Solve | Medium | | |
| 1519. Number of Nodes in the Sub-Tree With the Same Label | | | Solve | Medium | | |
| 1612. Check If Two Expression Trees are Equivalent | | | Solve | Medium | | |
| 1657. Determine if Two Strings Are Close | | | Solve | Medium | | |
| 1726. Tuple with Same Product | | | Solve | Medium | | |
| 1737. Change Minimum Characters to Satisfy One of Three Conditions | | | Solve | Medium | | |
| 1775. Equal Sum Arrays With Minimum Number of Operations | | | Solve | Medium | | |
| 1781. Sum of Beauty of All Substrings | | | Solve | Medium | | |
| 1814. Count Nice Pairs in an Array | | | Solve | Medium | | |
| 1940. Longest Common Subsequence Between Sorted Arrays | | | Solve | Medium | | |
| 2001. Number of Pairs of Interchangeable Rectangles | | | Solve | Medium | - | |
| 2013. Detect Squares | | | Solve | Medium | | |
| 2023. Number of Pairs of Strings With Concatenation Equal to Target | | | Solve | Medium | | |
| 2029. Stone Game IX | | | Solve | Medium | | |
| 2067. Number of Equal Count Substrings | | | Solve | Medium | | |
| 2083. Substrings That Begin and End With the Same Letter | | | Solve | Medium | - | |
| 2131. Longest Palindrome by Concatenating Two Letter Words | | | Solve | Medium | | |
| 2150. Find All Lonely Numbers in the Array | | | Solve | Medium | | |
| 2168. Unique Substrings With Equal Digit Frequency | | | Solve | Medium | | |
| 2170. Minimum Operations to Make the Array Alternating | | | Solve | Medium | - | |
| 2182. Construct String With Repeat Limit | | | Solve | Medium | | |
| 2186. Minimum Number of Steps to Make Two Strings Anagram II | | | Solve | Medium | | |
| 2225. Find Players With Zero or One Losses | | | Solve | Medium | | |
| 2244. Minimum Rounds to Complete All Tasks | | | Solve | Medium | | |
| 2268. Minimum Number of Keypresses | | | Solve | Medium | | |
| 2275. Largest Combination With Bitwise AND Greater Than Zero | | | Solve | Medium | | |
| 2284. Sender With Largest Word Count | | | Solve | Medium | | |