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Matteo Valentinuzzi


Last seen: 9 days ago
415 total contributions since 2021

Matteo Valentinuzzi's Badges

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  • Indexing II Master
  • Indexing I Master
  • Introduction to MATLAB Master
  • Cody5 Easy Master
  • CUP Challenge Master
  • Community Group Solver
  • ASEE Challenge Master
  • Solver

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Solved


Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

28 days ago

Solved


Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Given a number _n_, return the terminal value of the number chain formed by summing the square of the digits. According to the P...

28 days ago

Solved


"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

28 days ago

Solved


Find Logic 14

28 days ago

Solved


Find Logic 16

28 days ago

Solved


P-smooth numbers
This Challenge is to find <https://en.wikipedia.org/wiki/Smooth_number P-smooth number> partial sets given P and a max series va...

28 days ago

Solved


Iccanobif numbers 1
There are a lot of problems in Cody that deal with Fibonacci numbers (1, 1, 2, 3, 5, 8, 13, 21 etc...) so let's turn things arou...

28 days ago

Solved


Amicable numbers
Test whether two numbers are <https://en.wikipedia.org/wiki/Amicable_numbers amicable>, meaning that the sum of the proper divis...

28 days ago

Solved


Fangs of a vampire number
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such tha...

29 days ago

Solved


Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

29 days ago

Solved


Woodall number
Test whether the input is a Woodall number: <http://en.wikipedia.org/wiki/Woodall_number> _Please do not cheat by simply chec...

29 days ago

Solved


generate nth pentatope number
https://en.wikipedia.org/wiki/Pentatope_number

29 days ago

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check whether a number is a pentatope number
<https://oeis.org/A000332>

29 days 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... ... .....

29 days ago

Solved


find nth even fibonacci number
1st even fibonacci number=2 ; 2nd even fibonacci number=8 ..

29 days ago

Solved


Bell Triangle
Form the bell triangle upto nth bell number posotion; * if n=5 * y= [1 0 0 0 0; 1 2 0 0...

29 days ago

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Pell numbers
Find the nth pell number <https://en.wikipedia.org/wiki/Pell_number>

29 days ago

Solved


Find Logic 1

1 month ago

Solved


Find Logic 3

1 month ago

Solved


Find Logic 4

1 month ago

Solved


Find Logic 6

1 month ago

Solved


Find Logic 7

1 month ago

Solved


Find Logic 8

1 month ago

Solved


Find Logic 9

1 month ago

Solved


Find Logic 10

1 month ago

Solved


Find Logic 11

1 month ago

Solved


Find Logic 13

1 month ago

Solved


Find Logic 12

1 month ago

Solved


Find Logic 15

1 month ago

Solved


Find Logic 17

1 month ago

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