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1. 문제 링크 https://leetcode.com/problems/group-anagrams/ Group Anagrams - LeetCode Can you solve this real interview question? Group Anagrams - Given an array of strings strs, group the anagrams together. You can return the answer in any order. An Anagram is a word or phrase formed by rearranging the letters of a different word or phrase leetcode.com 2. 문제 설명 문자열로 구성된 array strs가 주어졌을 때, anagrams로..

1. 문제 링크 https://leetcode.com/problems/permutations-ii Permutations II - LeetCode Can you solve this real interview question? Permutations II - Given a collection of numbers, nums, that might contain duplicates, return all possible unique permutations in any order. Example 1: Input: nums = [1,1,2] Output: [[1,1,2], [1,2,1], [2,1,1]] leetcode.com 2. 문제 설명 이전 46. Permutations와 유사하게, nums라는 array가 ..

1. 문제 링크 https://leetcode.com/problems/jump-game-ii/ Jump Game II - LeetCode Can you solve this real interview question? Jump Game II - You are given a 0-indexed array of integers nums of length n. You are initially positioned at nums[0]. Each element nums[i] represents the maximum length of a forward jump from index i. In other wo leetcode.com 2. 문제 설명 길이가 n인 정수로 구성된 array인 nums가 주어졌을 때, nums[i..

1. 문제 링크 https://leetcode.com/problems/count-and-say Count and Say - LeetCode Can you solve this real interview question? Count and Say - The count-and-say sequence is a sequence of digit strings defined by the recursive formula: * countAndSay(1) = "1" * countAndSay(n) is the way you would "say" the digit string from countAndSay(n-1 leetcode.com 2. 문제 설명 count-and-say sequence는 재귀적인 공식에 의해 정의된 숫..

1. 문제 링크 LeetCode - The World's Leading Online Programming Learning Platform Divide Two Integers - LeetCode Can you solve this real interview question? Divide Two Integers - Given two integers dividend and divisor, divide two integers without using multiplication, division, and mod operator. The integer division should truncate toward zero, which means losing it leetcode.com 2. 문제 설명 정수의 나눗셈 후 소..

1. 문제 링크 https://leetcode.com/problems/remove-linked-list-elements/ Remove Linked List Elements - LeetCode Can you solve this real interview question? Remove Linked List Elements - Given the head of a linked list and an integer val, remove all the nodes of the linked list that has Node.val == val, and return the new head. Example 1: [https://assets.leetcode. leetcode.com 2. 문제 설명 연결 리스트 head와 va..

1. 문제 링크 https://leetcode.com/problems/happy-number/ Happy Number - LeetCode Can you solve this real interview question? Happy Number - Write an algorithm to determine if a number n is happy. A happy number is a number defined by the following process: * Starting with any positive integer, replace the number by the sum of the squar leetcode.com 2. 문제 설명 주어진 수가 happy 넘버인지 따져서 True, False 반환 여기서 h..

1. 문제 링크 https://leetcode.com/problems/generate-parentheses Generate Parentheses - LeetCode Can you solve this real interview question? Generate Parentheses - Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. Example 1: Input: n = 3 Output: ["((()))","(()())","(())()","()(())","()()()"] Exa leetcode.com 2. 문제 설명 주어진 n쌍의 괄호로, 올바르게 구성된 괄호의 모든 조..