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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 ...

9 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...

9 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. ...

9 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...

9 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...

9 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...

9 months ago

Solved

Maya - 02

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

9 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...

9 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...

9 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...

9 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...

9 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...

9 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...

9 months ago

Solved

Hanging cable - 02

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

9 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...

9 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 ...

9 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...

9 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...

9 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...

9 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 ...

9 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...

9 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... ... .....

9 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...

9 months ago

Solved

Connect Four - 03

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

9 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 ...

9 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...

9 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...

9 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...

9 months ago