This algorithm employs a Trie to find the longest common prefix among strings by inserting each and traversing the Trie for the shared start sequence.
Swap adjacent nodes in a linked list with linear time and constant space complexity, using pointer manipulation for efficient in-place node rearrangement.
This Python solution iterates over a list of strings, using list comprehension and the enumerate function to identify indices of words containing a specified character.
Solving 'Number of Good Pairs' with a hashmap, achieving O(N) time and O(U) space by utilizing the combination formula n*(n-1)/2 for pair counting.
Presenting an in-place algorithm to compute the running sum of an array with O(n) time complexity, directly modifying the input array.
A look at a concise Python solution to LeetCode's Add Binary problem, demonstrating an efficient use of built-in functions to achieve binary addition in a single...
This tutorial examines the Python solution to LeetCode's Reverse Integer problem, highlighting its linear time and space complexity, O(n), based on the input's string length.
Learn to implement the Python solution to the "Longest Substring Without Repeating Characters" problem from LeetCode, focusing on the sliding window technique.
Explore adding reversed integers using Python singly-linked lists. Dive into the LeetCode "Add Two Numbers" solution and its time and space complexity analysis.
A straightforward Python solution to the LeetCode Two Sum problem, utilizing a hashmap for efficient number pairing and aiming for optimal time and space complexity.