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 = …
Category: math
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 …
The O(N) Increasing Triplet Subsequence Algorithm
Given an unsorted array return whether an increasing subsequence of length 3 exists or not in the array. Formally the function should: Return true if there exists i, j, …
Several Algorithms to Compute the Score of Parentheses
Given a balanced parentheses string S, compute the score of the string based on the following rule: () has score 1 AB has score A + B, where A …
How to For-Loop and do Math/Arithmetic Operations in Windows/NT Batch – the FizzBuzz Programming Example
The FizzBuzz is a good example to start learning a programming language – which contains the exercise of using a loop (either for-loop or a while-loop), Arithmetic operations (modulus), …