Algorithm to Swap Consecutive Pair of Even Numbers
Given a list of integers nums, swap each consecutive even indexes with each other, and swap each consecutive odd indexes with each other. Example 1 Input nums = Output …
Category: algorithms
Teaching Kids Programming – Introduction to Venn Graph and Set in Python (Check Unique String)
November 26, 2020
algorithms, data structure, python, teaching kids programming, youtube video
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Teaching Kids Programming: Videos on Data Structures and Algorithms A Set is a data structure to hold unique elements in a collection. In Python we can use set() to …
Diagonal Sorting Algorithm in a Matrix
Given a two-dimensional integer matrix, sort each of the diagonals descending from left to right in ascending order. Constraints n, m ≤ 25 where n and m are the …
Algorithms to Compute the Kth Last Node of a Linked List
Given a singly linked list node, return the value of the kth last node (0-indexed). k is guaranteed not to be larger than the size of the linked list. …
Even Frequency of Array using Sort or Hash Map
Given a list of integers nums, return whether all numbers appear an even number of times. Constraints n ≤ 100,000 where n is the length of nums Example 1 …