Jan 5, 2026
[Medium] 215. Kth Largest Element in an Array
leetcodemediumarrayheapquickselectdivide-and-conquer
Jan 5, 2026
Minimal, copy-paste C++ for min/max heap, K-way merge, top K, and two heaps. See also Data Structures for heap patterns.
leetcodetemplatesheappriority-queue
Jan 4, 2026
[Medium] 53. Maximum Subarray
leetcodemediumarraydynamic-programminggreedydivide-and-conquer
Jan 4, 2026
[Medium] 376. Wiggle Subsequence
leetcodemediumarraydynamic-programminggreedy
Jan 4, 2026
[Medium] 1605. Find Valid Matrix Given Row and Column Sums
leetcodemediumarraymatrixgreedy
Jan 4, 2026
[Medium] 1400. Construct K Palindrome Strings
leetcodemediumstringgreedyhash-table
Jan 4, 2026
[Medium] 1247. Minimum Swaps to Make Strings Equal
leetcodemediumstringmathgreedy
Jan 4, 2026
[Medium] 1029. Two City Scheduling
leetcodemediumarraygreedysorting
Jan 4, 2026
[Hard] 135. Candy
leetcodehardarraygreedy
Jan 4, 2026
[Easy] 1710. Maximum Units on a Truck
leetcodeeasyarraygreedysorting