# LeetCode 17. Letter Combinations of a Phone Number

Description https://leetcode.com/problems/letter-combinations-of-a-phone-number/description/ Given a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent. A mapping…

# LeetCode 90. Subsets II

Description https://leetcode.com/problems/subsets-ii/description/ Given a collection of integers that might contain duplicates, nums, return all possible subsets (the power set). Note: The solution…

# LeetCode 78. Subsets (Java)

LeetCode 78. Subsets (Java) Description https://leetcode.com/problems/subsets/description/ Given a set of distinct integers, nums, return all possible subsets (the power set). Note: The solution set…

# LeetCode 39. Combination Sum

Description https://leetcode.com/problems/combination-sum/description/ Given a set of candidate numbers (C) (without duplicates) and a target number (T), find all unique combinations in C where the candidate numbers…

# LeetCode 40. Combination Sum II

Description https://leetcode.com/problems/combination-sum-ii/description/ Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the…