Solved

Count the peaceful queens

In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such tha...

3 månader ago

Solved

King's Cage

Given the position of the king on the chessboard, determine the minimum number of steps it'll require to reach the destination. ...

3 månader ago

Solved

En passant - 01

This is white's turn. The player moves his pawn. The pawn's previous and current positions are given. Determine whether th...

3 månader ago

Solved

Kaggle: Reverse Game of Life - Create Isle prior State

<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Isle Single...

3 månader ago

Solved

Kaggle: Reverse Game of Life - Zoo of Stills and Oscillators

<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Reverse Lif...

3 månader ago

Solved

Kaggle: Reverse Game of Life - Periods of Oscillators

<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Period of L...

3 månader ago

Solved

Kaggle: Reverse Game of Life - Single Move to One Cell Case

<http://www.kaggle.com/c/conway-s-reverse-game-of-life Kaggle's Conway's Reverse Game of Life> contest inspires this Single Reve...

3 månader ago

Solved

Find the sines of an isosceles triangle when given its area and height

Find the sines of an isosceles triangle when given its area and height. For example, when A=60 and h=5, the result is [0.3752...

3 månader ago

Solved

Volume of this donut

Given hole diameter a, and outermost diameter b, determine the volume y of the resulting donut.

3 månader ago

Solved

Create One Large Eye of size N x N Quickly?

*<http://en.wikipedia.org/wiki/Aye_(yes) Aye !!!>*

3 månader ago

Solved

Create array of all Distances between two Sets of Points

This Challenge is a subsection of Martian Pranks based on Tim's efficient Distance calculation between sets of points. Given Po...

4 månader ago

Solved

Schrödinger dog

Everyone knows that dogs are less unpredictable than cats. But is that proven? Is that measurable at all? YES! NOW IT IS! ...

4 månader ago

Solved

Double Deal

*Description* Given an input vector _v_, return the first element as the first output, the second element as the second outpu...

4 månader ago

Solved

Infernal Recursion

Consider the recursion relation: x_n = (x_(n-1)*x_(n-2))^k Given x_1, x_2, and k, x_n can be found by this definition. Wr...

4 månader ago

Solved

Assign numerical values to a structure with 1 field

The aim is to assign values to a multidimensional structure *without using for-loop or while-loop* Example with a structure ...

4 månader ago

Solved

Project Euler 249: Prime Subset Sums

Inspired by Problem 249 of Project Euler. <https://projecteuler.net/problem=249> Let S = {2, 3, 5, ...} be the set of prime ...

4 månader ago

Solved

Pandigital Multiples of 11 (based on Project Euler 491)

A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the cy...

4 månader ago

Solved

Find the area of the four walls

If length, breadth and height of the walls are given, find the area of the four walls.

4 månader ago

Solved

Reverse a string

Reverse the given string. Example input = 'reverse' output = 'esrever'

4 månader ago

Solved

Dice roll - opposite faces

For this problem, you will be provided with the values of a dice roll (regular six-sided dice). The number of dice will be at le...

4 månader ago

Solved

Minefield Sonar

*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

4 månader ago

Solved

Calculate the probability that at least two people in a group share the same birthday.

Calculate the probability that at least two people in a group share the same birthday. Given an integer input n, return to 0.015...

4 månader ago

Solved

Special Relativity 101.

Special relativity states that the effective mass of an object varies as a function of its velocity. If *c* is the speed of ligh...

4 månader ago

Solved

Mean ignoring NaNs

Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

4 månader ago

Solved

Determine whether one vector is a subset of another

While bumbling through a pair of problems in the Number Theory group, I wrote code to determine whether a vector is a subset of ...

4 månader ago

Solved

Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed

Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

5 månader ago

Solved

Monte-Carlo integration

Write a function that estimates a d-dimensional integral to at least 1% relative precision. Inputs: * d: positive integer....

5 månader ago