HackerRank Ruby Currying Solution

Hello coders, In this post, you will learn how to solve HackerRank Ruby Currying Solutionn. This problem is a part of the Ruby Tutorial series. One more thing to add, don’t straight away look for the solutions, first try to solve the problems by yourself. If you find any difficulty after trying several times, then look for the solutions.

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HackerRank Ruby Currying Solution
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HackerRank Ruby Currying Solution

Let’s get started with Ruby Currying Solution

Problem Statement

Currying is a technique in which a function accepts n parameters and turns it into a sequence of n functions, each of them take 1 parameter.

Example

multiply_numbers = -> (x,y) do
x*y
end

doubler = multiply_numbers.curry.(2)
tripler = multiply_numbers.curry.(3)

puts doubler.(4) #8
puts tripler.(4) #12

In the above example, lambda take two parameters xy and return the product of the two.
multiply_numbers.curry.(2) returns a lambda which takes only one parameter necessary for calculation.

Task

You are given a partially complete code. Your task is to fill in the blanks (_).

Write a curry, which pre-fills power_function with variable base.

HackerRank Ruby Currying Solution

power_function = -> (x, z) {
    (x) ** z
}
base = gets.to_i
raise_to_power = power_function.curry.(base)
power = gets.to_i
puts raise_to_power.(power)

Note: This problem (HackerRank Ruby Currying Solution is generated by HackerRank but the solution is provided by Chase2Learn. This tutorial is only for Educational and Learning purpose.

FAQ:

1. What is Ruby programming?

Ruby programming is a high-level, interpreted, general-purpose programming language. It is designed for developing web applications and is known for its fast, concise, and easy-to-learn syntax. Ruby is used by many large tech companies such as Google, Facebook, and Twitter. Read more

2. Should I put HackerRank certificate on resume?

These certificates are useless, and you should not put them on your resume. The experience you gained from getting them is not useless. Use it to build a portfolio, and link to it on your resume. 

3. Can I retake HackerRank test?

The company which sent you the HackerRank Test invite owns your Test submissions and results. It’s their discretion to permit a reattempt for a particular Test. If you wish to retake the test, we recommend that you contact the concerned recruiter who invited you to the Test and request a re-invite. 

4. What is HackerRank?

HackerRank is a tech company that focuses on competitive programming challenges for both consumers and businesses. Developers compete by writing programs according to provided specifications. Wikipedia

5. Where can I find HackerRank Ruby solutions?

in this post, you will get all the solutions to HackerRank ruby Problems.


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