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problem solving/leetcode

leetcode/python/ 589. N-ary Tree Preorder Traversal
problem solving/leetcode 2023. 4. 16. leetcode/python/ 589. N-ary Tree Preorder Traversal Description N-ary Tree Preorder Traversal - LeetCode Can you solve this real interview question? N-ary Tree Preorder Traversal - Given the root of an n-ary tree, return the preorder traversal of its nodes' values. Nary-Tree input serialization is represented in their level order traversal. Each group of chil leetcode.com Given the root of an n-ary tree, return the preorder traversal of its nodes..
leetcode/python/ 409. Longest Palindrome
problem solving/leetcode 2023. 4. 16. leetcode/python/ 409. Longest Palindrome Description Longest Palindrome - LeetCode Can you solve this real interview question? Longest Palindrome - Given a string s which consists of lowercase or uppercase letters, return the length of the longest palindrome that can be built with those letters. Letters are case sensitive, for example, leetcode.com Given a string s which consists of lowercase or uppercase letters, return the length of ..
problem solving/leetcode 2023. 4. 15. leetcode/python/ 121. Best Time to Buy and Sell Stock Description Best Time to Buy and Sell Stock - LeetCode Can you solve this real interview question? Best Time to Buy and Sell Stock - You are given an array prices where prices[i] is the price of a given stock on the ith day. You want to maximize your profit by choosing a single day to buy one stock and choosin leetcode.com You are given an array prices where prices[i] is the price of a given sto..
leetcode/python/ 142. Linked List Cycle II
problem solving/leetcode 2023. 4. 14. leetcode/python/ 142. Linked List Cycle II Description Linked List Cycle II - LeetCode Can you solve this real interview question? Linked List Cycle II - Given the head of a linked list, return the node where the cycle begins. If there is no cycle, return null. There is a cycle in a linked list if there is some node in the list that can be r leetcode.com Given the head of a linked list, return the node where the cycle begins. If there is..
leetcode/python/ 876. Middle of the Linked List
problem solving/leetcode 2023. 4. 14. leetcode/python/ 876. Middle of the Linked List Description Middle of the Linked List - LeetCode Can you solve this real interview question? Middle of the Linked List - Given the head of a singly linked list, return the middle node of the linked list. If there are two middle nodes, return the second middle node. Example 1: [https://assets.leetcode. leetcode.com Given the head of a singly linked list, return the middle node of the linked list...
leetcode/python/ 206. Reverse Linked List
problem solving/leetcode 2023. 4. 12. leetcode/python/ 206. Reverse Linked List Description Reverse Linked List - LeetCode Can you solve this real interview question? Reverse Linked List - Given the head of a singly linked list, reverse the list, and return the reversed list. Example 1: [https://assets.leetcode.com/uploads/2021/02/19/rev1ex1.jpg] Input: head = [1,2,3,4,5] O leetcode.com Given the head of a singly linked list, reverse the list, and return the reversed list. ..

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