# Akrem Hadji

### Telecommunications Regulatory Authority

Head of Innovation and Development Services

**Programming Languages:**

Python

**Spoken Languages:**

English

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**Content Feed**

Solved

Abelian Sandpile - 01

Generate a matrix like abelian sandpile where the center of the matrix is n. For example, n=3 out=[0 0 0 0 ...

10 months ago

Solved

No of squares in a grid

given a m*n grid calculate the no of possible squares & rectangles on that grid. output: y=[no of rectangles , no of sqa...

10 months ago

Solved

Ugly numbers - 03

For this case, a number is defined ugly if it has prime factors consisting of only elements of x. Find the nth ugly number. ...

10 months ago

Solved

ZigZag - 02

Given a matrix, return the elements that are on the Z form of the matrix. For example - a=[1,2,3,4,5; 6,7,8,9,1; 1...

10 months 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...

10 months ago

Solved

Game of life - 01

Refer to <https://en.wikipedia.org/wiki/Conway's_Game_of_Life> given a set of cells (the initial state) represented by 1(l...

10 months ago

Solved

Maya - 02

<https://en.wikipedia.org/wiki/Maya_numerals> Prev. prob. - <https://www.mathworks.com/matlabcentral/cody/problems/45375-maya...

10 months ago

Solved

Ugly numbers - 02

Ugly numbers are those whose prime factors are 2, 3 or 5. find the nth ugly number. n.b. unlike the previous problem,trivi...

10 months ago

Solved

Knight's Watch

"Night gathers, and now my watch begins" A knight is placed on an n-by-n sized chessboard at the position x. Find the proba...

10 months ago

Solved

Checkmate

* The positions of different chess pieces are given in a cell *p* . * The position of the king is given as *x* Determine i...

10 months ago

Solved

Minimal Path - 02

Given a matrix, find the minimal path from the top left to the bottom right by only moving to the right and down so that the sum...

10 months ago

Solved

Queen's move

given a number of consecutive moves of queen, check for their validity based on their previous position.... but remember if u g...

10 months ago

Solved

Check Digit - 02

Given a list of ISBN's, check whether they're valid or not. Prev Prob - <https://www.mathworks.com/matlabcentral/cody/problem...

10 months ago

Solved

Hanging cable - 02

previous problem - <https://www.mathworks.com/matlabcentral/cody/problems/45373-hanging-cable-01> The height of the poles...

10 months ago

Solved

Gray code

Given a decimal number, convert it to its corresponding Gray code (see https://en.wikipedia.org/wiki/Gray_code). 8 -- 1100...

10 months ago

Solved

Abelian Sandpile - 02

Generate a matrix like Abelian Sandpile where the four corner element is n. For example, n=4 [4 3 2 1 ...

10 months ago

Solved

find subscripts from linear index

a matrix and the linear index of an element is given as input. find the subscripts of that element. if linear index=3 , outp...

10 months ago

Solved

The Tortoise and the Hare - 02

Previous problem <https://www.mathworks.com/matlabcentral/cody/problems/45425-the-tortoise-and-the-hare-01> Suppose in an inf...

10 months ago

Solved

Anagram

Given two strings, check whether they're anagrams to each other or not.

10 months ago

Solved

Orthogonal Circles

Check whether two given circles are orthogonal or not. Two circles are orthogonal if they create a right angle at their inter...

10 months ago

Solved

Find the sequence

Find the nth number of a sequence. Check the test suite to determine the sequence. * hint: it is closely related to familiar ...

10 months ago

Solved

Amicable pair

Amicable numbers are two different numbers such that the sum of the proper divisors of each is equal to the other number. For...

10 months ago

Solved

Cantor counting

Find the nth cantor's rational number. the sequence is given below in the link. Sequence: 1/1,1/2,2/1,3/1,2/2,1/3,1/4... ... .....

10 months ago

Solved

Checkmate-02

This is an extension of the problem <https://www.mathworks.com/matlabcentral/cody/problems/45238-checkmate> If the king is in...

10 months ago

Solved

Connect Four - 03

Previous Problem <https://www.mathworks.com/matlabcentral/cody/problems/45354-connect-four-01> <https://www.mathworks.co...

10 months ago

Solved

Spiral Out - 02

An array is given. Convert it into a spiral matrix. For example, a=1:27; out=[21 22 23 24 25 26 20 ...

10 months ago

Solved

3rd side of a Triangle

Given two sides of a triangle, find the minimum and maximum possible area of the triangle. the length of the third side has t...

10 months ago

Solved

Compute the Bernoulli numbers

The <https://en.wikipedia.org/wiki/Bernoulli_number Bernoulli numbers> appear in several applications in number theory, includin...

10 months ago

Solved

Successive zeros

Suppose n is the number of digits a number contains. Now, 12032 - is a valid n=5 digit number. But 10023 - is defined as i...

10 months ago