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I've been posting relatively hard challenges recently, so here goes an easy one.
Task
Given an array A and a number n, calculate the sum of all numbers of A multiplied by n, except the last one. All numbers (the elements of A and the value of n) are positive integers, and A is non-empty. Shortest...
I am working and living in a care home where I need to take 2-3 days a week sleeping night cover and pager where by law I am not paid for that.
My question:
How many nights can an employer ask me to take sleeping or pager cover of the week?
Right now I am doing 4 days a week (not pay) and I canno...
Painted Cubes
Many of us have seen math problems where a shape made of unit cubes is dipped in paint, and the answer is the number of painted sides. We'll generalize that problem in this challenge.
Input
A 3-dimensional matrix of 0s and 1s.
Output
A non-negative integer
Challenge
Given a n by m b...
