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1. 문제 링크 Pascal's Triangle - LeetCode Pascal's Triangle - LeetCode Can you solve this real interview question? Pascal's Triangle - Given an integer numRows, return the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers directly above it as shown: [https://upload.wikimedia.o leetcode.com 2. 문제 설명 파스칼 삼각형을 알아야 함 파스칼 삼각형은 가장 위 꼭대기에는 1, 그 다음 줄에는 1, 1이..

1. 문제 링크 https://leetcode.com/problems/path-sum/ Path Sum - LeetCode Can you solve this real interview question? Path Sum - Given the root of a binary tree and an integer targetSum, return true if the tree has a root-to-leaf path such that adding up all the values along the path equals targetSum. A leaf is a node with no ch leetcode.com 2. 문제 설명 이진 트리 root와, 정수 targetSum가 주어졌을 때, root에서 leaf로 이어..

1. 문제 링크 Minimum Depth of Binary Tree - LeetCode Minimum Depth of Binary Tree - LeetCode Can you solve this real interview question? Minimum Depth of Binary Tree - Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. Note: A leaf is a no leetcode.com 2. 문제 설명 이진 트리 구조가 주어졌을 때 Minimum Depth를..

1. 문제 링크 Convert Sorted Array to Binary Search Tree - LeetCode Convert Sorted Array to Binary Search Tree - LeetCode Can you solve this real interview question? Convert Sorted Array to Binary Search Tree - Given an integer array nums where the elements are sorted in ascending order, convert it to a height-balanced binary search tree. Example 1: [https://assets.leetcod leetcode.com 2. 문제 설명 오름차순으..

1. 문제 링크 Symmetric Tree - LeetCode Symmetric Tree - LeetCode Can you solve this real interview question? Symmetric Tree - Given the root of a binary tree, check whether it is a mirror of itself (i.e., symmetric around its center). Example 1: [https://assets.leetcode.com/uploads/2021/02/19/symtree1.jpg] Input: roo leetcode.com 2. 문제 설명 주어진 이진 트리가 가운데에 대하여 좌우 대칭인지 판단하는 문제 True인 예시 1 / \ 2 2 / \ / ..

1. 문제 링크 https://leetcode.com/problems/same-tree/ Same Tree - LeetCode Can you solve this real interview question? Same Tree - Given the roots of two binary trees p and q, write a function to check if they are the same or not. Two binary trees are considered the same if they are structurally identical, and the nodes have the leetcode.com 2. 문제 설명 이진 트리 p, q가 주어졌을 때, 두 트리가 같은 tree인지 판단 같다의 정의: 구조..

1. 문제 링크 Binary Tree Inorder Traversal - LeetCode Binary Tree Inorder Traversal - LeetCode Can you solve this real interview question? Binary Tree Inorder Traversal - Given the root of a binary tree, return the inorder traversal of its nodes' values. Example 1: [https://assets.leetcode.com/uploads/2020/09/15/inorder_1.jpg] Input: root = [1,nu leetcode.com 2. 문제 설명 이진 트리가 주어졌을 때 중위 순회(inorder tra..

1. 문제 링크 Remove Duplicates from Sorted List - LeetCode Remove Duplicates from Sorted List - LeetCode Can you solve this real interview question? Remove Duplicates from Sorted List - Given the head of a sorted linked list, delete all duplicates such that each element appears only once. Return the linked list sorted as well. Example 1: [https://assets.le leetcode.com 2. 문제 설명 오름차순 정렬된 연결 리스트(linke..