Linked Questions
44 questions linked to/from Fibonacci function or sequence
29
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Fibtraction - Fibonacci but with subtraction [duplicate]
The Fibtraction sequence (as I call it) is similar to the Fibonacci sequence except, instead of adding numbers, you subtract them.
The first few numbers of this challenge are:
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- 16.3k
5
votes
4
answers
274
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Implement the Fibonacci sequence... Shifted to the right [duplicate]
Background
We all know the famous Fibonacci sequence, where each term is the sum of the previous two, with the first term being 0 and the second one being ...
- 42.3k
3
votes
1
answer
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Add the Fibonnaci Sequence to the Lucas Sequence [duplicate]
Background of Lucas Numbers
The French mathematician, Edouard Lucas (1842-1891), who gave the name to the Fibonacci Numbers, found a similar series occurs often when he was investigating Fibonacci ...
- 571
-2
votes
4
answers
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Calculate Fibonacci series from nth term to mth term [duplicate]
Your goal is to calculate the sum of Fibonacci series from n th term to m th term (including both terms).
No use of / * % or mathematically what they are in your ...
- 2,703
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241
answers
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Showcase of Languages
Notes
This thread is open and unlocked only because the community decided to make an exception. Please do not use this question as evidence that you can ask similar questions here. Please do not ...
90
votes
212
answers
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Find the Factorial!
Create the shortest program or function that finds the factorial of a non-negative integer.
The factorial, represented with ! is defined as such
$$n!:=\begin{...
- 6,442
85
votes
222
answers
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Sum of all integers from 1 to n
I'm honestly surprised that this hasn't been done already. If you can find an existing thread, by all means mark this as a duplicate or let me know.
Input
Your input is in the form of any positive ...
- 1,299
58
votes
150
answers
6k
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Evolution of OEIS
In this challenge, the goal is to recreate the On-Line Encyclopedia of Integer Sequences one sequence at a time. Similar to the Evolution of Hello World, each answer depends on a previous answer.
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- 29k
75
votes
59
answers
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Tips for code-golfing in C#
What general tips do you have for golfing in C#? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to C# (e.g. "remove comments" is not an ...
- 1,863
78
votes
53
answers
35k
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Tips for golfing in Ruby
What general tips can you give for golfing in Ruby?
I'm looking for ideas that can be applied to code golf problems in general that are specific to Ruby. (For example, "Remove comments" would not be ...
- 1,257
138
votes
29
answers
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Making Future Posts Runnable Online with Stack Snippets [closed]
Stack Snippets were recently added to PPCG! Reminiscent of JSFiddle, Stack Snippets allow HTML, CSS, and JavaScript to be run directly in posts!
Here is a very simple Stack Snippet:
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58
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70
answers
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Am I a Fibonacci Number?
Your Task:
Write a program or function to check if a number that is inputted is a Fibonacci number. A Fibonacci number is a number contained in the Fibonacci sequence.
The Fibonacci Sequence is ...
- 7,197
44
votes
69
answers
4k
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Fibonacci-orial
Definition
Fibonacci sequence F(n), on the positive integers, are defined as such:
...
- 49.6k
49
votes
52
answers
11k
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Patience, young "Padovan"
Everyone knows the Fibonacci sequence:
You take a square, attach an equal square to it, then repeatedly attach a square whose side length is equal to the largest side length of the resulting rectangle....
- 2,603
27
votes
66
answers
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1, 2, miss a few, 99, 100
When I was a kid, there was a "really cool" shortcut to count to 100:
1, 2, miss a few, 99, 100
Output the exact string above, in the fewest characters ...
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