1.6) Find Combination Sum to Target
Given an array of distinct integers candidates and a target integer target, return all possible combinations of candidates where the chosen numbers sum to target. You may use the same…
Backtracking
1.5) Palindrome Partitioning of String
Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s.
1.4) Letter Combinations of a Phone Number
Given a string containing digits from 2 to 9 inclusive, return all possible letter combinations that the number could represent on a telephone keypad. The mapping of digits to letters…
1.3) Return all possible Permutations
Given a collection of distinct integers, nums, return all possible permutations of the integers.
1.2) Subsets
Given a set of distinct integers nums, return all possible subsets (the power set) of the set.