Find the Least Number Sums of Perfect Squares
Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, …) which sum to n. Example 1: Input: n = …
Algorithms to Sum of All Odd Length Subarrays
Given an array of positive integers arr, calculate the sum of all possible odd-length subarrays. A subarray is a contiguous subsequence of the array. Return the sum of all …
Algorithm to Compute the Largest Triple Products from Array
You’re given a list of n integers arr. You must compute a list output such that, for each index i (between 0 and n-1, inclusive), output is equal to …
Algorithm to Split a Number Array into Two Balanced Parts by Using Sorting and Prefix Sum
Balanced Split Given an array of integers (which may include repeated integers), determine if there’s a way to split the array into two subarrays A and B such that …
Is QBasic good for Teaching Kids Programming?
Teaching Kids Programming: Videos on Data Structures and Algorithms QBasic was popular in the late 80s and early 90s. It was the programming language for MSDOS. Not many of …
Accidentally Damaging the Graphic Card by Putting Heatsink Copper on
I purchased some copper heatsinks (better than Aluminum ones as copper transfer more heat). However, when I attached them one by one carefully onto my AMD Radeon 6700 Graphic …