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알고리즘 문제풀이/LeetCode

알고리즘 문제풀이/LeetCode 2021. 4. 25. 00:16 [LeetCode 104] Maximum Depth of Binary Tree with JAVA leetcode.com/problems/maximum-depth-of-binary-tree/ Maximum Depth of Binary Tree - 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 the root of a binary tree, return its maximum depth. A binary tree's maximum depth is the number of nodes along the longest path from the root no..
알고리즘 문제풀이/LeetCode 2021. 4. 25. 00:16 [LeetCode 200] Numbers of Islands with JAVA leetcode.com/problems/number-of-islands/ Number of Islands - 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 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. An island is surrounded by water and is formed by co..
알고리즘 문제풀이/LeetCode 2021. 4. 17. 17:13 [LeetCode 114] flatten-binary-tree-to-linked-list with JAVA leetcode.com/problems/flatten-binary-tree-to-linked-list Flatten Binary Tree to Linked List - 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 the root of a binary tree, flatten the tree into a "linked list": The "linked list" should use the same TreeNode class where the right..
알고리즘 문제풀이/LeetCode 2021. 4. 16. 16:40 [LeetCode 101] Symmetric Tree with JAVA leetcode.com/problems/symmetric-tree/ Symmetric Tree - 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 the root of a binary tree, check whether it is a mirror of itself (i.e., symmetric around its center). Example 1: Input: root = [1,2,2,3,4,4,3] Output: true Example 2: Input..
알고리즘 문제풀이/LeetCode 2021. 4. 11. 11:58 [LeetCode 20] Valid Parentheses with JAVA leetcode.com/problems/valid-parentheses/ Valid Parentheses - 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 string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid if: Open brackets must be c..
알고리즘 문제풀이/LeetCode 2021. 4. 10. 14:17 [LeetCode 647] Palindromic Substrings with JAVA (BruteForce) leetcode.com/problems/palindromic-substrings/ Palindromic Substrings - 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 string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end indexes are counted as dif..

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