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1. 문제 링크 Word Search - LeetCode Word Search - LeetCode Can you solve this real interview question? Word Search - Given an m x n grid of characters board and a string word, return true if word exists in the grid. The word can be constructed from letters of sequentially adjacent cells, where adjacent cells are h leetcode.com 2. 문제 설명 board = [["A","B","C","E"],["S","F","C","S"],["A","D","E","E"]] ..

1. 문제 링크 https://leetcode.com/problems/subsets/ Subsets - LeetCode Can you solve this real interview question? Subsets - Given an integer array nums of unique elements, return all possible subsets (the power set). The solution set must not contain duplicate subsets. Return the solution in any order. Example 1: Input: n leetcode.com 2. 문제 설명 unique elements로 구성된 array nums가 주어졌을 때, 모든 가능한 subsets..

1. 문제 링크 https://leetcode.com/problems/edit-distance/ LeetCode - The World's Leading Online Programming Learning Platform Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 2. 문제 설명 두 개의 문자열(word1과 word2)이 주어졌을 때, 한 문자열을 다른 문자열로 변환하기 위해 필요한 최소 편집 연산의 수를 찾는 문제 가능한 연산은 세 가지로 삽입(Insert): 한 문자를 삽입..

1. 문제 링크 https://leetcode.com/problems/combinations/ Combinations - LeetCode Can you solve this real interview question? Combinations - Given two integers n and k, return all possible combinations of k numbers chosen from the range [1, n]. You may return the answer in any order. Example 1: Input: n = 4, k = 2 Output: [[1,2],[1,3 leetcode.com 2. 문제 설명 주어진 자연수 n과 k에 대해, 1부터 n까지의 숫자 중에서 중복과 순서 없이 k..

1. 문제 링크 https://leetcode.com/problems/sort-colors/ Sort Colors - LeetCode Can you solve this real interview question? Sort Colors - Given an array nums with n objects colored red, white, or blue, sort them in-place [https://en.wikipedia.org/wiki/In-place_algorithm] so that objects of the same color are adjacent, with the colors leetcode.com 2. 문제 설명 0,1,2 세 정수로 구성된 nums라는 array가 주어졌을 때, in-plac..

1. 문제 링크 Search a 2D Matrix - LeetCode Search a 2D Matrix - LeetCode Can you solve this real interview question? Search a 2D Matrix - You are given an m x n integer matrix matrix with the following two properties: * Each row is sorted in non-decreasing order. * The first integer of each row is greater than the last integer leetcode.com 2. 문제 설명 주어진 m x n 행렬(matrix)에 대해 target이 행렬 내에 존재하는지 여부를 판단..

1. 문제 링크 https://leetcode.com/problems/set-matrix-zeroes/ Set Matrix Zeroes - LeetCode Can you solve this real interview question? Set Matrix Zeroes - Given an m x n integer matrix matrix, if an element is 0, set its entire row and column to 0's. You must do it in place [https://en.wikipedia.org/wiki/In-place_algorithm]. Example 1: [https leetcode.com 2. 문제 설명 mxn 정수 매트릭스 matrix가 주어져있을 때, 만약 ele..

1. 문제 링크 https://leetcode.com/problems/gray-code/description/ Gray Code - LeetCode Can you solve this real interview question? Gray Code - An n-bit gray code sequence is a sequence of 2n integers where: * Every integer is in the inclusive range [0, 2n - 1], * The first integer is 0, * An integer appears no more than once in the sequence, leetcode.com 2. 문제 설명 n-bit gray code sequence는 아래 조건을 만족하..