Problem The task is taken from LeetCode (subscription required) – From any string, we can form a subsequence of that […]

# Tag: programming-challenge

## Plus Minus in Python

Problem You’re given an array containing integer values. You need to print the fraction of count of positive numbers, negative […]

## Project Euler problem #11 – Largest product in a grid

Problem I have recently solved the following Project Euler problem: In the 20×20 grid below, four numbers along a diagonal […]

## Merge Two Sorted Linked Lists

Problem I solved this problem in C++. I was having trouble though understanding what return headA; and return headB; returns […]

## Project Euler #5 – Smallest Multiple

Problem JavaScript is my first programming language, and I’m still pretty new. I’m just looking for feedback. What can I […]

## Number in words: recursive function

Problem I would appreciate some feedback on the below code I wrote for a Project Euler problem. The answer comes […]

## Minimum number of copies of an application a company needs to purchase

Problem Some applications from vendors are allowed to be installed on multiple computers per user with specific restrictions. In our […]

## Python address index +1 with list comprehension

Problem Task from CodingBat: Return the sum of the numbers in the array, returning 0 for an empty array. Except […]

## Policemen catch thieves

Problem Given an array of size n that has the following specifications: Each element in the array contains either a […]

## TDD approach for Advent of Code challenge: infinite spiral on a grid

Problem I have started the Advent of Code 2017 to learn to use Python and Test Driven Development. I wrote […]