Resuelto

Calculate y=2
Find the value of x so that y=2

alrededor de 2 meses hace

Problema

Construct the number counts sequence
A sequence is constructed in the following way. The zeroth term is 1, and the next terms are determined by counting the number i...

alrededor de 2 meses hace | 0 | 4 solvers

Problema

List the first of three consecutive square-free numbers
The numbers 13, 14, and 15 are consecutive, of course, but they also share the property of being square-free. That is, each numb...

2 meses hace | 0 | 4 solvers

Problema

Count the primes resulting from changing one digit of a number
If you start with the number 24 and seek primes by changing a single digit, you can find two: 23 and 29. If you start with 130, ...

2 meses hace | 0 | 4 solvers

Resuelto

GJam March 2016 IOW: Password Single
This Challenge is derived from <http://code.google.com/codejam/contest/8274486/dashboard#s=p3 GJam March 2016 Annual I/O for Pas...

2 meses hace

Problema

Solve an easy binary puzzle
A binary puzzle presents a square grid (or matrix) of cells in which each cell must be 0 or 1. The finished puzzle must follow t...

2 meses hace | 0 | 4 solvers

Problema

Indicate how the Prague astronomical clock strikes the hours
The astronomical clock in Prague has a bell that rings 1, 2, 3, or 4 times. The number of strokes follows the sequence 123432123...

3 meses hace | 0 | 5 solvers

Problema

Convert integers from base 10 to proper primary notation
This problem is the companion to Cody Problem 60782. The proper primary system of expressing numbers has three digits: m, x, and...

3 meses hace | 0 | 3 solvers

Problema

Convert integers from proper primary to base 10
The proper primary system of expressing numbers has three digits: m, x, and p, which correspond to -1, 0, and 1. The places in a...

3 meses hace | 0 | 7 solvers

Problema

Express integers in negabinary
Negabinary numbers are written in base -2. For example, the negabinary number 11010 is , or 6 in base 10. In a similar way, -3 i...

3 meses hace | 0 | 5 solvers

Problema

Play Hocus Focus
The card game Hocus Focus starts by placing twelve cards with wizards face up on a table. The characteristics of the wizards tha...

3 meses hace | 1 | 9 solvers

Resuelto

Simple addition
Add two numbers using a funciton

3 meses hace

Problema

Complete hydraulic geometry relations
Hydraulic geometry relations express the velocity , width , and depth of a river as a function of the discharge (or flow) , whi...

3 meses hace | 0 | 7 solvers

Resuelto

EZ9
EZ

3 meses hace

Resuelto

EZ7
EZ

3 meses hace

Resuelto

EZ8
EZ

3 meses hace

Resuelto

EZ10
EZ

3 meses hace

Resuelto

Castling-03
Given the position of different chess pieces on the chessboard, figure out whether castling is valid or not in the next move (wh...

4 meses hace

Resuelto

EZ4

4 meses hace

Resuelto

EZZ
EZZ

4 meses hace

Resuelto

EZ5
EZ5

4 meses hace

Resuelto

EZ6

4 meses hace

Resuelto

EZ
EZ

4 meses hace

Resuelto

String permutations on phone keyboard
Given a number such as 2639 return all possible string permutations using the phone-keyboard on Problem 1069. input = 78 outpu...

4 meses hace

Problema

Identify points inside a Reuleaux triangle
Write a function to identify points that lie in or on a Realeaux triangle, which is a curve of constant width. The input to the ...

4 meses hace | 1 | 4 solvers

Problema

Determine whether a number is a Ludic prime
Ludic numbers are formed by a sieve. Start with a list of the positive integers. Skip 1 and start with 2. Then delete every seco...

4 meses hace | 1 | 5 solvers

Resuelto

Forward Elimination for Gauss Elimination
Perform forward elimination for a given pivot column in the augmented matrix, Ab=[A,b]

4 meses hace

Resuelto

Generate Hadamard Matrix without using hadamard function
In mathematics, a Hadamard matrix, named after the French mathematician Jacques Hadamard, is a square matrix whose entries are e...

4 meses hace

Resuelto

2048 Next Move
Given a board in the game 2048 (see the game here: <http://gabrielecirulli.github.io/2048/ 2048>) and a direction ('up','down','...

4 meses hace

Resuelto

Combinations using Stirling numbers of the second kind
Output the number of ways to distribute n labelled balls among k identical boxes (some of which might be empty). Example: ...

4 meses hace