★★ MediumDynamic ProgrammingLeetCodeOptimized Space Complexity Leetcode # 740. Delete and Earn 2023/08/08 A1go
★★ MediumDynamic ProgrammingLeetCodeOptimized Space Complexity Leetcode # 79. Perfect Squares 2023/08/05 A1go
★★ MediumBacktrackingCombinationDynamic ProgrammingLeetCodeMemoizationRecursion Leetcode # 17. Letter Combinations of a Phone Number 2023/08/03 A1go
★★★ HardDynamic ProgrammingLeetCodeOptimized Space Complexity Leetcode # 2361. Minimum Costs Using the Train Line 2023/08/02 A1go
★★ MediumBacktrackingLeetCodeMemoizationPermutationRecursion Leetcode # 46. Permutations 2023/08/02 A1go
★★ MediumDynamic ProgrammingLeetCodeOptimized Space Complexity Leetcode # 712. Minimum ASCII Delete Sum for Two Strings 2023/07/31 A1go
★★ MediumArrayDynamic ProgrammingLeetCode Leetcode # 2799. Count Complete Subarrays in an Array 2023/07/30 A1go