Determine Color of a Chessboard Square
Return true if the square is white, and false if the square is black. The coordinate will always represent a valid chessboard square. The coordinate will always have the …
Tag: math
Teaching Kids Programming – Reverse Bits of a 32-bit Integer
Teaching Kids Programming: Videos on Data Structures and Algorithms Reverse bits of a given 32 bits unsigned integer. Note: Note that in some languages such as Java, there is …
Teaching Kids Programming – Find N Unique Integers Sum up to Zero
Teaching Kids Programming: Videos on Data Structures and Algorithms Given an integer n, return any array containing n unique integers such that they add up to 0. Example 1: …
Count Multiset Sum (Knapsacks) by Dynamic Programming Algorithm
March 31, 2021
algorithms, c / c++, dynamic programming, Dynamic Programming, Knapsack Problems, math
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Given a list of unique positive integers nums and a positive integer k, return the number of unique combinations that sum up to k. You may reuse numbers when …
Count Multiset Sum (Knapsacks) by Recursive BackTracking Algorithm
March 30, 2021
algorithms, c / c++, DFS, Dynamic Programming, Knapsack Problems, math, recursive
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Given a list of unique positive integers nums and a positive integer k, return the number of unique combinations that sum up to k. You may reuse numbers when …