How to Multiply Two Matrices in C++?
Given two sparse matrices A and B, return the result of AB. You may assume that A’s column number is equal to B’s row number. Example: Input: A = …
Tag: math
Compute the Number of Ways to Paint the House via Dynamic Programming Algorithm
There is a fence with n posts, each post can be painted with one of the k colors. You have to paint all the posts such that no more …
Classic Unlimited Knapsack Problem Variant: Coin Change via Dynamic Programming and Depth First Search Algorithm
July 14, 2019
algorithms, c / c++, DFS, Dynamic Programming, dynamic programming, Knapsack Problems, math
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You are given coins of different denominations and a total amount of money. Write a function to compute the number of combinations that make up that amount. You may …
Algorithms to Compute the Factor Combinations for An Integer using DFS and BFS
Numbers can be regarded as product of its factors. For example, 8 = 2 x 2 x 2; = 2 x 4. Write a function that takes an integer …
Using BackTracking Algorithm to Find the Combination Integer Sum
Given a set of candidate numbers (candidates) (without duplicates) and a target number (target), find all unique combinations in candidates where the candidate numbers sums to target. The same …