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1. 문제 링크 https://leetcode.com/problems/restore-ip-addresses/ 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 주어진 숫자열을 이용하여 유효한 IP 주소로 복원하는 문제 IP 주소는 네 개의 정수로 이루어져 있으며, 각 정수는 0에서 255 사이의 값이어야 함 이때 각 정수는 0으로 시작하면 안됨...

1. 문제 링크 https://leetcode.com/problems/decode-ways/description/ Decode Ways - LeetCode Can you solve this real interview question? Decode Ways - A message containing letters from A-Z can be encoded into numbers using the following mapping: 'A' -> "1" 'B' -> "2" ... 'Z' -> "26" To decode an encoded message, all the digits must be grouped then leetcode.com 2. 문제 설명 주어진 숫자 문자열을 알파벳으로 디코딩하는 방법의 수를 찾..

1. 문제 링크 https://leetcode.com/problems/search-in-rotated-sorted-array-ii/ Search in Rotated Sorted Array II - LeetCode Can you solve this real interview question? Search in Rotated Sorted Array II - There is an integer array nums sorted in non-decreasing order (not necessarily with distinct values). Before being passed to your function, nums is rotated at an unknown pivot leetcode.com 2. 문제 설명 오..

1. 문제 링크 https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/ Remove Duplicates from Sorted Array II - LeetCode Can you solve this real interview question? Remove Duplicates from Sorted Array II - Given an integer array nums sorted in non-decreasing order, remove some duplicates in-place [https://en.wikipedia.org/wiki/In-place_algorithm] such that each unique elemen leetcode.com..

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/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 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..