문제 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, typically using all the original letters exactly once. 문자열 문자열의 배열이 주어지면, 아나그램을 함께 그룹화합니다. 답변은 임의의 순서로 반환할 수 있습니다. 아나그램(Anagram)은 다른 단어나 구문의 글자를 재정렬하여 만들어진 단어나 구를 말합니다. 예시 Example 1: Input: strs = [..

문제 A company has n employees with a unique ID for each employee from 0 to n - 1. The head of the company is the one with headID. Each employee has one direct manager given in the manager array where manager[i] is the direct manager of the i-th employee, manager, [headID] = -1. Also, it is guaranteed that the subordination relationships have a tree structure. The head of the company wants to info..

문제 https://leetcode.com/problems/next-greater-element-iii/ Next Greater Element III - LeetCode 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 Given a positive integer n, find the smallest integer which has exactly the same digits existing in the integer n and is greater in value than n. If..

문제 https://leetcode.com/problems/next-greater-element-ii/ Next Greater Element II - LeetCode 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 Given a circular integer array nums (i.e., the next element of nums[nums.length - 1] is nums[0]), return the next greater number for every element in ..

문제 Given an n-ary tree, return the level order traversal of its nodes' values. Nary-Tree input serialization is represented in their level order traversal, each group of children is separated by the null value (See examples). n-ary 트리가 지정된 경우 해당 노드 값의 수준 순서 통과를 반환합니다. Nary-Tree 입력 직렬화는 레벨 순서 순회(traversal)로 표현되며, 각 자식 그룹은 null 값으로 구분됩니다(예제 참조). 예시 Example 1: Input: root = [1,null,3,2,4,null,5,6] ..

문제 https://leetcode.com/problems/arithmetic-subarrays/ Arithmetic Subarrays - LeetCode 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 A sequence of numbers is called arithmetic if it consists of at least two elements, and the difference between every two consecutive elements is the same. M..

문제 https://leetcode.com/problems/k-closest-points-to-origin/submissions/ K Closest Points to Origin - LeetCode 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 Given an array of points where points[i] = [xi, yi] represents a point on the X-Y plane and an integer k, return the k closest point..

문제 https://leetcode.com/problems/spiral-matrix/submissions/ Spiral Matrix - LeetCode 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 Given an m x n matrix, return all elements of the matrix in spiral order. m x n 행렬이 주어지면 행렬의 모든 요소를 나선형 순서로 반환합니다. 예시 Example 1: Input: matrix = [[1,2,3],[4,5..