[JetBrains Quest 3]Get 20% discount coupon of JetBrains All Products Pack

The last quest from JetBrains. In this post, almost things are just hint except final question.

Jangwook Kim
4 min readMar 15, 2020
JetBrains

Caution

I don’t give you answer for solving this quest. I just give you a hint.

But it’s too long time required to solve last question, I give you my answer to solve that. If you have better solution, please share your answer to me.

I’m always waiting for your opinion.

Introduction

Do you know JetBrains?

JetBrains give us one quest! If you are solving that, you can receive a coupon that be used to subscribe Jet brains All Product Pack for free during 3 months.

This is the last quest. Good luck!

First

The last quest from the JetBrains

Hint : *** encoding is a binary-to-text encoding scheme that represent binary data in an ASCII string format.

Result

First answer

Second

If you find the answer of the First, you will arrive to Playground.

Second question

You need to find what is n!

Hint: N is called to lucky number from China.

Result

We have been working 22/7 on the video for < *** >.
If we gave you a clue, it would be easy as < *** >.

Third

If you find the answer of the Second, you would be able to find one Video.

Third question

Hint: Check the result of second question.

Result

Third answer

Forth

Through the answer of the third question, you would be arrived at quiz page.

Forth question

I need a quite time because I didn’t know about history of JetBrains.

Hint: See JetBrains 2019 Annual Highlights.

Result

Forth answer

Fifth

The forth answer is the fifth question. Check figure of forth answer that I mosaiced.

Hint 1: Acronyms
Hint 2: Check invisible value called <***>. It’s for improving web accessibility.

Answer

Fifth answer

Sixth

If you arrived at Fifth answer, you would find one statement.

you_are_looking_for_< *** >

Hint: Replace ‘-’ to ‘.’, and search only NUMBER & DOT value by google.

Answer

Sixth answer

Seventh

Through the sixth question, you installed an IntelliJ IDEA 2020.1 version.

Check the Tips of the Day. You would be able to find JETBRAINS QUEST.

Seventh quest was very difficult for me because I’m not good at Mathmatics. So I needed really long time to solve this problem. I decided open to public this question and answer. If you have better idea for solving this problem. I’m happily waiting your opinion!

Seventh question

Answer

I could get last four digit easily. This is my solution.

But I couldn’t find solution to find first four digit. I searched and searched, and I finally could find one way to solve this question.

I wrote some code using above knowledge.

※ You can find answer from this web site http://www.maths.surrey.ac.uk/

Last question

Enter the code you found.

Congratulations!

Prize screen

The prize of last quest was 20% discount coupon for JetBrains All Products Pack.

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Jangwook Kim

Korean, live in Japan. The programmer. I love to learn something new things. I’m publishing my toy projects using GitHub. Visit https://www.jangwook.net.