‘Find First and Last Position of Element in Sorted Array’ in LeetCode (Medium) 📌 Problem https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ 📌 Answer The poin...
[Algorithm] Generate Parentheses
‘Generate Parentheses’ in LeetCode (Medium) 📌 Problem https://leetcode.com/problems/generate-parentheses/ 📌 Insight |Recursion|Backtracking|DFS| |:—|:—|:—| |In recursion, the function calls it...
[Algorithm] Remove Nth Node From End of List
‘Remove Nth Node From End of List’ in LeetCode (Medium) 📌 Problem https://leetcode.com/problems/remove-nth-node-from-end-of-list/ 📌 Answer Two-Pointer The point For a singly linked list, used...
[Algorithm] Letter Combinations of a Phone Number
‘Letter Combinations of a Phone Number’ in LeetCode (Medium) 📌 Problem https://leetcode.com/problems/letter-combinations-of-a-phone-number/ 📌 Answer 1. Backtracking The point recursion void b...
[Algorithm] 3Sum
‘3Sum’ in LeetCode (Medium) 📌 Problem https://leetcode.com/problems/3sum/ 📌 Answer The point Sort array first Used Two-pointers technique i and j More detail about ‘Two...