- 146. LRU Cache https://leetcode.com/problems/lru-cache/description/
- 1. Two Sum https://leetcode.com/problems/two-sum/description/
- 200. Number of Islands https://leetcode.com/problems/number-of-islands/description/
- 3. Longest Substring Without Repeating Characters https://leetcode.com/problems/longest-substring-without-repeating-characters/description/
- 767. Reorganize String https://leetcode.com/problems/reorganize-string/description/
- 207. Course Schedule https://leetcode.com/problems/course-schedule/description/
- 49. Group Anagrams https://leetcode.com/problems/group-anagrams/description/
- 347. Top K Frequent Elements https://leetcode.com/problems/top-k-frequent-elements/description/
- 2357. Make Array Zero by Subtracting Equal Amounts https://leetcode.com/problems/make-array-zero-by-subtracting-equal-amounts/description/
- 15. 3Sum https://leetcode.com/problems/3sum/description/
- 23. Merge k Sorted Lists https://leetcode.com/problems/merge-k-sorted-lists/description/
- 3455. Shortest Matching Substring https://leetcode.com/problems/shortest-matching-substring/description/
- 121. Best Time to Buy and Sell Stock https://leetcode.com/problems/best-time-to-buy-and-sell-stock/description/
- 3459. Length of Longest V-Shaped Diagonal Segment https://leetcode.com/problems/length-of-longest-v-shaped-diagonal-segment/description/
- 210. Course Schedule II https://leetcode.com/problems/course-schedule-ii/description/
- 238. Product of Array Except Self https://leetcode.com/problems/product-of-array-except-self/description/
- 42. Trapping Rain Water https://leetcode.com/problems/trapping-rain-water/description/
- 56. Merge Intervals https://leetcode.com/problems/merge-intervals/description/
- 4. Median of Two Sorted Arrays https://leetcode.com/problems/median-of-two-sorted-arrays/
- 53. Maximum Subarray https://leetcode.com/problems/maximum-subarray/