Data structures and algorithms
Word Search
Word Search: Given an m x n grid of characters board and a string word, return true if word exists in the grid.
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Data structures and algorithms
Combination Sum III
Combination Sum III: Find all valid combinations of k numbers that sum up to n such that the following conditions are true:
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Data structures and algorithms
Combination Sum II
Combination Sum II: Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate numbers sum to target.
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Data structures and algorithms
Combination Sum
Combination Sum: Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target.
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Data structures and algorithms
Combinations
Combinations: Given two integers n and k, return all possible combinations of k numbers chosen from the range [1, n].
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Data structures and algorithms
Permutations II
Permutations II: Given a collection of numbers, nums, that might contain duplicates, return *all possible unique permutations in any order*.
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After investing countless hours in courses, books, and guides, as well as honing my skills on LeetCode, we came to the realization that interview preparation can be an incredibly time-consuming process, not to mention the stress of actually passing the interviews.
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