How to Reverse Letters in Kotlin
May 13, 2022
The challenge Given a string str, reverse it omitting all non-alphabetic characters.
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How to Get the ASCII Value of Character in Kotlin
May 12, 2022
The challenge Get the ASCII value of a character. The solution in Kotlin Option 1:
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How to use Coroutines in Kotlin
June 17, 2021
Coroutines are a way to handle multithreading in Kotlin, read more about it from the official docs:
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The Pair Type in Kotlin
June 16, 2021
val pair: Pair<String, Int> = "myKey" to 2 What is a Pair Type?
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Deconstruction in Kotlin
June 11, 2021
There are times when you need to extract an object into a number of variables.
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What is a Unit in Kotlin?
June 9, 2021
Unit corresponds to the void keyword in Java. What is a Unit in Kotlin?
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How to declare a Function in Kotlin?
June 8, 2021
Functions are reusable pieces of code, often called Blocks, that as the name suggests, act as building blocks to piece together a program.
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The differences between Val and Var in Kotlin
June 7, 2021
Among all the many keywords that Kotlin comes with, there exists val and var.
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Build a pile of Cubes in Kotlin
March 30, 2021
The challenge Your task is to construct a building which will be a pile of n cubes.
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Which x for that sum in Kotlin
March 29, 2021
The challenge Consider the sequence U(n, x) = x + 2x**2 + 3x**3 + .
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Invert values in Kotlin
March 27, 2021
The challenge Given a set of numbers, return the additive inverse of each.
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Moduli number system in Kotlin
March 25, 2021
The challenge A number system with moduli is defined by a vector of k moduli, [m1,m2, ···,mk].
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Smallest possible sum in Kotlin
March 24, 2021
The challenge Given an array X of positive integers, its elements are to be transformed by running the following operation on them as many times as required:
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Floating-point Approximation in Kotlin
March 23, 2021
The challenge Given a semi-inclusive interval I = [l, u) (l is in interval I but u is not) l and u being floating numbers (0 <= l < u), an integer n (n > 0) a function f: x (float number) -> f(x) (float number) we want to return as a list the n values:
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Multiplication table in Kotlin
March 22, 2021
The challenge Create an NxN multiplication table, of size provided in parameter.
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Strip Comments in Kotlin
March 21, 2021
The challenge Complete the solution so that it strips all text that follows any of a set of comment markers passed in.
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Experimenting with a sequence of complex numbers in Kotlin
March 20, 2021
The challenge Consider the sequence S(n, z) = (1 - z)(z + z**2 + z**3 + .
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Sums of Parts in Kotlin
March 18, 2021
The challenge Let us consider this example (array written in general format):
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Diophantine Equation in Kotlin
March 17, 2021
The challenge In mathematics, a Diophantine equation is a polynomial equation, usually with two or more unknowns, such that only the integer solutions are sought or studied.
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