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Polygon division
Given the number of vertices (or sides), n, of a planar convex polygon, return the number of ways, w, in which you can divide th...

2 months ago

Solved

Delete the rows in the middle
We will delete the rows in the middle and keep the first and the last rows. For example if input is [1 2 1 7 1 8 ...

2 months ago

Solved

3n + 1 Problem (a.k.a The Collatz Conjecture)
The 3n + 1 problem (a.k.a The Collatz Conjecture) Consider the following algorithm to generate a sequence of numbers. Start wit...

2 months ago

Solved

Intersection points of a polynomial
Find the intersection points of a polynomial, given by its vector of coefficients with the X-axis and the Y-axis. Input: a poly...

2 months ago

Solved

Where do the maximum number belongs within a 3-D matrix?
Suppose, you are given two variables a and b as inputs in 2-D format. Find out, where do the maximum number belongs (as output c...

2 months ago

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How many ways to write a number
Given two positive numbers n and k, where n>=k. In how many ways can we write n as sum of k positive numbers. Same numbers but d...

2 months ago

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Sky full of stars - 01
Draw a right triangle with asterisks of size n. For example, for n=5 '* ' '** ' '*** ' '**** ' ...

2 months ago

Solved

String count
given a string 'str', count the number of the followings - * letters * digits * white space * capital letters * smal...

2 months ago

Solved

Identify the sequence
Given a row vector, x, return 1 if it is an arithmetic series, or 2 if it is a geometric series. If it is neither, return 0. ...

2 months ago

Solved

n-th digit of write-down all numbers
Write down number as 123456789101112131415161718192021222324252627282930... what's the n-th digit? input n and get the digit.

2 months ago

Solved

Some tweaks in summation, Can you decode? :)
There are some tweaks in summation that you might observe via test suites Try if you can

2 months ago

Solved

PEMDAS test (★★)
Create the function that will return the following expression for x and y. <<https://i.ibb.co/RHWyzrv/Code-Cogs-Eqn-1.gif>> ...

2 months ago

Solved

LCM

2 months ago

Solved

Rescaling vector
Rescale the entries of a vector x so that it spams [a,b]. The new values should be linearly stretched into the new range. _Ex...

2 months ago

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Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
(copy of prob. 859) In this problem you must submit a solution which returns the diagonal and anti-diagonal elements without ...

2 months ago

Solved

Find length of longest strictly increasing subsequence

2 months ago

Solved

Triangle Numbers (★★)
(copy of problem 5) Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3...

2 months ago

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Convert number from given base to other base
Convert number from given base to other base. Example 400 in base 5, find equivalent number in base 8, it is 144.

2 months ago

Solved

Create a vector with n repeated values of a number x (★★)
If x=3 and n=7 then the vector y would be y=[3 3 3 3 3 3 3]

2 months ago

Solved

Create a vector of the first n odd numbers (★)
If n = 10, your program should return a vector y, where y = [1 3 5 7 9 11 13 15 17 19].

2 months ago

Solved

Convert to Binary Coded Decimal
Convert from decimal representation to <http://en.wikipedia.org/wiki/Binary-coded_decimal Binary Code Decimal> (or BCD) represen...

2 months ago

Solved

Find the nearest prime
Given a positive integer 'n', the task is to find a prime number greater than or equal to 'n'. Example 1 If given 'n' is ...

2 months ago

Solved

~~~~~~~ WAVE ~~~~~~~~~
|The WAVE generator| Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...

2 months ago

Solved

Find all the indices when a value repetition occurs
Find all the sequences of consecutive repeated numbers in a numeric array, returning the indices where each sequence starts and ...

2 months ago

Solved

Successive zeros (harder)
The problem is from Problem 45436, <https://www.mathworks.com/matlabcentral/cody/problems/45436-successive-zeros> Suppose n i...

2 months ago

Solved

Fibonacci Word
F1='0' F2='1' F3 is the catenation of the previous two. So, F3 = cat(F2,F1)='10'. similarly, F4 = cat(F3,F2)= '101' ...

2 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 ...

2 months ago

Solved

ZigZag - 03
Given a matrix of any size, print its elements from the zigzag form of the matrix. For example, a=[1 2 3; 4 5 6; ...

2 months ago

Solved

ZigZag - 01
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] ...

2 months ago

Solved

$10,000 sequence
Find the nth term of the Hofstadter–Conway sequence and its chaotic cousin. <https://en.wikipedia.org/wiki/Hofstadter_sequenc...

2 months ago