# Nikolaos Nikolaou

Last seen: Today Attivo dal 2015

Followers: 0   Following: 0

AI engineer

Programming Languages:
Python, C++, C, R, MATLAB, SQL
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
AI, Data Science, and Statistics

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Fangs of a vampire number
A vampire number is a number v that is the product of two numbers x and y such that the following conditions are satisfied: at ...

1 giorno fa

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Find Next Strictly Greater Element
Given an array of numbers, create a new array where each element represents the next strictly greater element to the right of th...

15 giorni fa

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CamelCase to snake_case convention
The CamelCase naming convention capitalizes the first letter of each word. In snake_case convention, words are written in lowerc...

15 giorni fa

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Absolute Sorting
Given an array with various numbers, your have to sort it by absolute value in ascending order. For example, for the array [-2...

15 giorni fa

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Reverse Integer
You are given an integer, reverse its digits. For negative integers, the sign should remain in the front. For instance, 12340 s...

16 giorni fa

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Battery Charge Indicator
Write a function called battery_charge that visually represents the charge of a battery. The function takes an integer paramete...

16 giorni fa

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snake_case to CamelCase convention
The snake_case naming convention writes words in lowercase and separates them with underscores. In CamelCase convention, the fir...

17 giorni fa

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Calculate the Levenshtein distance between two strings
This problem description is lifted from http://en.wikipedia.org/wiki/Levenshtein_distance. The Levenshtein distance between two...

29 giorni fa

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List the dopey numbers
If vile numbers have binary representations that end with an even number of zeros (even vile), then numbers with binary represe...

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Find the smallest integer m such that n divides m!
Write a function that takes an integer and finds the smallest integer whose factorial is divisible by . For example, if , then...

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Iterate the sum of divisors and totient

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Next Tribonacci Number
The "Tribonacci" sequence is an extension of the idea of the Fibonacci sequence: That is, each new term is the sum of the thr...

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Update course numbers and abbreviations
Suppose that the educational institution where you teach purchases new software to handle many essential functions, including co...

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Find the circle inscribed in a triangle
Write a function that takes the x- and y-coordinates of three points describing the vertices of a triangle and returns the cente...

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Complete a geometric sequence
In Cody Problem 59786 minnolina asks us to find the integer that completes a randomly sorted arithmetic sequence with one missin...

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Sequencing Odd Even numbers
Given an input value n, create a vector which contains all odd numbers & even numbers centered around mean of vector. If the me...

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Out-of-Place Elements Count
Determine the number of elements in a list of integers that are not in their original order after sorting the list in ascending ...

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Determine if the square root is an integer.
Write code that returns true if perfect square and returns false if square root is not an integer.

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Fangs of pseudo-vampire number
given a number, find all the fangs of that number. A pseudo-vampire number can have multiple of fangs. The output should be a...

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Ackermann's Function
Ackermann's Function is a recursive function that is not 'primitive recursive.' <http://en.wikipedia.org/wiki/Ackermann_fun...

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decipher the number 1 - same key for all digits :)
You will be given a input number (eg) x=12345 you have to figure out the dechiper key and match it with given input and deciph...

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Hemisphere Volume on Top of a Cylinder
This MATLAB function has to calculate the volume of a hemisphere placed on top of a cylinder, given valid inputs. It takes the r...

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Check for armstrong number
Given a number, check if it is an armstrong number. Eg: n = 371 Output: 1 Eg: n = 75 Output: 0

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Matrix symmetry
Given a matrix A = [1 2 3; 4 5 6] Flip it horizontally and vertically to obtain a complete reversal of both rows and columns. ...

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Determine if input is greater than pi
Evaluate if given number is greater than pi. If greater, return true; else, return false.

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Determine if input is greater than 100
Evaluate if given number is greater than 100. If greater, return true; else, return false.

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Sum the two halves of an array with an even number of elements
given an array of an even number of elements, sum the front and back half of the array and return the sums as an array For exam...

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Multiply to the limit?
If y = 4*x*x/pi/pi then what is the ultimate limiting result of (1+y/1/1)(1+y/3/3)(1+y/5/5)(1+y/7/7)... ... within 1000*eps?

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Counting Squares
An algorithm starts with a single square and on each of its next iterations adds new squares all around the outside as shown bel...

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