Two Pointer Algorithm to Count Triangle Triplets in an Array
Given a list of non-negative integers nums, return the total number of 3 unique numbers that can create a triangle. Constraints n ≤ 1,000 where n is the length …
Category: math
Teaching Kids Programming – Compute the Hamming Distance of Two Integers
February 8, 2021
algorithms, bit hacks, Bit Masking, math, python, teaching kids programming, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms The Hamming distance between two integers is the number of positions at which the corresponding bits are different. Given two …
Teaching Kids Programming – Compute the Number of Set Bits in an Integer
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer n, return the number of 1 bits in n. Constraints 0 ≤ n < 2 ** 31 …
Algorithm to Sum of Unique Elements
You are given an integer array nums. The unique elements of an array are the elements that appear exactly once in the array. Return the sum of all the …
Greedy Algorithm to Find Maximum Number After One Swap
Given an integer n, you can swap any two digits at most once. Return the maximum value of the resulting number. Constraints 0 ≤ n < 2 ** 31 …