FIBONACCI


Challenge #1, Difficulty #1 (beginner-friendly)
Suggested language: Java, C++, Python
Languages you shouldnt use: Assembler :P

void task() {
Take two integers as input by the user.

Now calculate atleast 10 iterations of the Fibonacci-sequence with the two integers as starting point.

Output those calculations.

if (skill > difficulty) {
extraTask();
}

if (skill < difficulty) {
callHelp();
}

}

void extraTask () {
1) ask the user how many iterations of the Fibonacci sequence the program should calculate

2) If one number in the sequence is divisible by x (let the user input that too), output "FIZZ" instead of it
}


void callHelp () {
The members at our Challenge solvers Group will surely be inclined to help you. 
You can also PM me if you want some help.
}

LONG-TERM CHALLENGE #1


LANGUAGE:
I dont care, as long as I can run it on my Linux x64 machine

The first one to put up a working solution to this will get his name written onto the hall of Fame of the Channel.
Fingers crossed ;)

void task() { 
/* In the end, you will have a basic code interpreter */
1) The program should take a file as input
2) The program should parse trough the text and create an array of different tokens;

/*
input: 'print ("Hello");'

Output:
command| arguments | 
--------------------
print  | ( | " | Hello | " | ) | ;

*/

3) The program should parse trough the array full of tokens and output things to the console accordingly

minimalRequirements ();

if (skill > difficulty) {
additionalFeatures();
}

}

void minimalRequirements() {
1) Input output
2) Jumping points (kinda like goto)
3) variables
}

void additionalFeatures () { /* your name will get marked differently if you solve this too */
1) loops
2) If-statements
3) functions
4) custom data types (classes or structs)
5) Input output for Files
}

ASCII-ART!

CHALLENGE #2 Difficulty: familiar
Language: Any Console based language

Make a program that converts a text into ASCII-Art.
Pay attention: Line breaks and correct text-spacing is tricky :P

CIRCLES

Difficulty: Mathsy but easy

You are given two points, that have a radius around them on the screen.
Are they touching or not?

TASKS:
1) Write such a circle class
2) Write a function that looks wether they are touching or not.

RULES: Dont use ANY type of libraries

Bonus points if you manage to render those circles without any graphics library

Flood fill

Difficulty: pretty easy

Remember MS paint and its fill tool? It filled everything that was white inside a limited area.
The algorythm it used was called "flood-fill". Try to implement that without looking at the internet.
Little tip: its a recursive algorythm!

IF THIS WAS TOO EASY:
Try to implement it without using recursion!

CHALLENGE: f'(x)!!!

Difficulty: mathsy, mathsy, mathsy

Say you have a function f(x)

Program a program that calculates f'(x)
there are two ways of doing so

1) parse the elements and change them after the rules
2) calculate it yourself by going through small pieces of your curve.

FUNCTIONS FOR TESTING:

g(x) = x²
h(x) = 2*2*x*43/213
i(x) = x^1/2

CHALLENGE: Langtons ants.

1) Google what they are
2) Simulate them
3) Invent additional rules and analyze their patterns

Challenge:
Maze generator: write an algorythm that procedurally generates mazes

Challenge:
Maze solver. Make a program taking a picture of a maze, were one Pixel is one spot. The program then finds tde shortest path to solving it

Hello guys. I have a really good coding challenge that will also help the community. I already started it with a code audit. https://github.com/Cryptoscam/Guld-Code-Audit

Ira Miller created the code for Guld which is a “solve all” crypto platform which doesn’t make sense at all. You can read the whitepapers in guld.io and code at https://github.com/guldcoin

He has valued his company and code at $80mm and is selling coins to people that dont understand it. He doesnt want to get listed in an exchange for obvious reasons.

I posted the audit in his telegram chat https://www.tg-me.com/guldcoin to start a professional discussion but instead i got insulted by him and his team and got kicked out of the chat. You are welcome to join and read the chat.

I need your help to make unbiased critiscism to his code. I think is the right thing to do, specially when there are devs that work really hard to progress this industry in a ethical way.

Thank you very much all, please share with others. His code is a riddle and i’m sure you will have fun solving it.

HEAP TIME
Difficulty: Easy
========
Implement a Binary Sort Tree that is optimized according to the AVL algorithm. Cookie points: Implement it without objects and without pointers!

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