Teaching Kids Programming: Videos on Data Structures and Algorithms A Heap is a tree data structure the root of which is the smallest (min heap) or the largest (max …
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 …
Slow Sums Algorithms Suppose we have a list of N numbers, and repeat the following operation until we’re left with only a single number: Choose any two numbers and …
You have some sticks with positive integer lengths. You can connect any two sticks of lengths X and Y into one stick by paying a cost of X + …
Given an array A of integers, we must modify the array in the following way: we choose an i and replace A with -A, and we repeat this process …