Maurizio De Angelis

Last seen: 2 months ago | Active since 2022

Followers: 0 Following: 0

Statistics

RANK
202
of 161,568

CONTRIBUTIONS
0 Problems
528 Solutions

SCORE
6,839

NUMBER OF BADGES
25

View badges

Feeds

Solved

Evil Number
Check if a given natural number is evil or not. Read more at <https://oeis.org/A001969 OEIS>.

2 months ago

Solved

Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

2 months ago

Solved

Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

2 months ago

Solved

Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

2 months ago

Solved

Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

2 months ago

Solved

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

2 months ago

Solved

sum of non-primes
The sum of the non-primes no larger than 10 is 1+4+6+8+9+10=38 Find the sum of all the positive non-prime integers that do no...

2 months ago

Solved

surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones: A = [1 2 ...

2 months ago

Solved

Spherical Volume
Calculate the volume of a sphere.

2 months ago

Solved

Given a number N, find the smallest prime P>N
Given a number N, find the smallest prime P greater than N. For example: If N=10 then P=11. If N=13 then P=17.

2 months ago

Solved

area of an annulus
Given the diameter d of the inner circle of the annulus. Given length z of a chord of the outer circle of the annulus. This chor...

2 months ago

Solved

Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

2 months ago

Solved

Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

2 months ago

Solved

Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

2 months ago

Solved

Remove the Zero
Given an array n, remove all zeros

2 months ago

Solved

Given area find sides
In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...

2 months ago

Solved

union without repitition
Let a = [9 9 9 9 9 9 8 8 8 8 7 7 7 6 6 6 5 5 4 2 1] b = [1 1 1 3 3 3 3 3 4 4 4 4 4 10 10 10] Output should be [9 8...

2 months ago

Solved

reverse string
input='rama' output='amar'

2 months ago

Solved

Determine the square root
Determine the square root of the value the user has entered, n.

2 months ago

Solved

Check if equal
Return true if all the elements of an nD array are equal, false otherwise.

2 months ago

Solved

Equal to their cube
Tell me three real numbers that are equal to their cubes?

2 months ago

Solved

Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

2 months ago

Solved

Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

2 months ago

Solved

So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

2 months ago

Solved

Negative matrix
Change the sign of all elements in given matrix.

2 months ago

Solved

Will there be a new leader?
Simply answer the title.

2 months ago

Solved

Celsius to Fahrenheit converter
Convert Celsius to Fahrenheit degrees.

2 months ago

Solved

only input
Return the output without writing any code into the function.

2 months ago

Solved

Reverse a matrix
Its simple. You have to reverse a given matrix.

2 months ago

Solved

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

2 months ago