Nov 24, 2025
Minimal, copy-paste Python for permutations, combinations, subsets, combination sum, grid pathfinding, and constraint satisfaction (N-Queens, Sudoku).
leetcodetemplatesbacktracking
Nov 24, 2025
Minimal, copy-paste C++ for two pointers, sliding window, prefix sum, binary search, and matrix operations. See also Arrays & Strings and Search.
leetcodetemplatesarraymatrix
Nov 20, 2025
[Medium] 200. Number of Islands
leetcodealgorithmmediumcppdfsgraphmatrixproblem-solving
Nov 18, 2025
[Medium] 969. Pancake Sorting
leetcodealgorithmmediumcpparraysortingproblem-solving
Nov 18, 2025
[Medium] 49. Group Anagrams
leetcodealgorithmmediumcppstringhash-tableproblem-solving
Nov 18, 2025
[Medium] 45. Jump Game II
leetcodealgorithmmediumcpparraygreedyproblem-solving
Nov 18, 2025
[Medium] 2. Add Two Numbers
leetcodealgorithmmediumcpplinked-listrecursionproblem-solving
Nov 18, 2025
[Medium] 198. House Robber
leetcodealgorithmmediumcppdynamic-programmingdpproblem-solving
Nov 18, 2025
[Easy] 509. Fibonacci Number
leetcodealgorithmeasycppdynamic-programmingrecursionproblem-solving
Nov 18, 2025
[Easy] 203. Remove Linked List Elements
leetcodealgorithmeasycpplinked-listiterationproblem-solving