Using a Hash Table to Find A Number and Its Triple in a List
Given a list of integers nums, return whether there’s two numbers such that one is a triple of another. Constraints n ≤ 100,000 where n is the length of …
Tag: hash table
Teaching Kids Programming – 3 Different Approaches to Solve Two-Sum Problem
November 29, 2020
algorithms, data structure, Hash Map / Hash Set, programming languages, Python, python, Recursion, teaching kids programming, Two Pointer, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms This is actually a very famous known problem for beginners to into Algorithms & Data Structures. Given a list of …
Algorithm to Determine a Latin Square using a Hash Table
Given an N by N matrix of letters matrix, return whether there are exactly N different letters that appear in the matrix and each letter appears exactly once in …
Compute the Largest Substring Between Two Equal Characters using Hash Table
Given a string s, return the length of the longest substring between two equal characters, excluding the two characters. If there is no such substring return -1. A substring …
Single-Row Keyboard Algorithms to Estimate the Finger Moving Time
There is a special keyboard with all keys in a single row. Given a string keyboard of length 26 indicating the layout of the keyboard (indexed from 0 to …