Problem Recently, I wrote a simple program to solve the change-making problem. Rather than the tabular dynamic programming solution (described […]

# Tag: memoization

## Generic memoize utility function for pure functions

Problem Given the following generic memoize utility for pure functions with type hints: function memoize(callable $fn, callable $serialize = null): […]

## Generic memoize function in Swift

Problem I need to perform some expensive calculation, such as determining a Fibonacci number: /// Calculate the Nth Fibonacci number […]

## Levenshtein Distance with Haskell Vectors and Memoization

Problem Is the following an effective way to implement the Levenshtein Distance with Haskell vectors? import qualified Data.Vector as V […]

## Optimizing solution of Sum of Pairs: Codewars in Python

Problem I need help to optimize my code for huge lists with approx. 10000000 elements. Is there a way to […]

## Advent of Code 2020, Day 10 in Ruby

Problem I’m an amateur programmer making a career change into web development. I’ve found Advent of Code challenges are great […]

## Longest common subsequence — recursion and memoization

Problem use std::{cmp::max_by_key, collections::HashMap}; fn longest_common_subsequence(s1: Vec<u8>, s2: Vec<u8>) -> Vec<u8> { struct Helper { s1: Vec<u8>, s2: Vec<u8>, cache: […]