This challenge is related to the Python language. Note that challenges that require the answers to be in a specific language are generally discouraged.
1
vote
7answers
572 views
Make a for loop repeat forever
for loops are useful in python in many ways, but one of the most common usages associated with a for loop is it's ability to repeat a certain amount of times. Like this:
for times in range(50):
...
12
votes
6answers
385 views
Alias Member Functions in Python
In Python, one can save bytes by aliasing functions that are used repeatedly. For example:
r=range
a=r(100)
b=r(200)
c=r(300)
However, when the functions are member functions together, I don't know ...
13
votes
10answers
1k views
Crash (i.e. cause the interpreter to stop working and force close) Python
I would like to see who can make Python have a fatal crash with the most creative code. This means that when the program runs, Windows for example, will take over and pop up with something like “IDLE ...
2
votes
2answers
286 views
Violate all stylistic requirements of PEP8
In Python, the style guide PEP 8 defines the coding style for all Python code. Your task is, in as few characters as possible, to write a program that violates all those requirements and can still be ...
-1
votes
1answer
129 views
Finding nCr for code-golf [duplicate]
The problem is to compute nCr = n!/(r!) * (n-r)! in the fewest characters possible. The input will be in the form: 1st line will have number of test cases and second line will have n and r for each ...
0
votes
0answers
57 views
Fastest way to generate Smarandache–Wellin number [duplicate]
Given a number n find the Smarandache–Wellin number for n. Ex:
for n=2 output=23
for n=5 output=235711
Answer it in ruby or python.
given constraints are n<=70000
3
votes
5answers
542 views
(Python) Implementing incrementation
Challenge: Implement incrementation without addition, multiplication, exponentiation, and any higher binary operators (and their opposites) in Python.
Winner is the person who can do it in the least ...
1
vote
4answers
599 views
secret language hackerrank.com
I tried this contest: https://www.hackerrank.com/challenges/secret-language
Well, the score in this contest said I made 30 out of 30 points. As the score is calculated with the formula ...
3
votes
1answer
1k views
shortest possible python pascal triangle code [duplicate]
the contest is already finished, so I don't think it's cheating to ask:
I am trying to optimize this small contest: pascal triangle
I started with 4.72 and worked myself up to 7.48.
The best made a ...
4
votes
3answers
686 views
Solve the CodeSprint4 Leibniz code golf challenge in Python in 66 characters
Check out this challenge:
https://www.hackerrank.com/codesprint4/challenges/leibniz
(The competition has already ended, so I'm just curious about the Python solution, which the organizers refused to ...
3
votes
2answers
598 views
Generate N number of “Go First” dice
Background
As described here http://www.ericharshbarger.org/dice/#gofirst_4d12, "Go First" Dice is a set of four dice, each with unique numbering, so that:
There will never be a tie. Each die has ...
0
votes
1answer
331 views
How can I make this program smaller? [closed]
I am trying my hand at writing super small programs. I wrote a simple "tree" display program for showing a graphical representation of a folder hierarchy. I have made it small in all the ways I can ...
-1
votes
2answers
178 views
Python Golfing - Narrow function calling on array down [closed]
Say i have a function named J and an array named f.
now i call this code:
result = []
for n in f:
results.append(J(n))
is there any more efficient way of doing this? I was thinking something ...
9
votes
1answer
624 views
What is the minimum set of characters with which you can write any valid python program?
The proof of the set of characters is that there is a translator which takes any ascii python program as input and produces a limited character set version of the program. The limited character set ...
2
votes
3answers
1k views
List of paths to nested dictionary
Given a list of nested menu items,
items = [
'3D/Axis',
'3D/CameraTracker',
'Color/Invert',
'Color/Log2Lin',
'Color/Math/Add',
'Color/Math/Multiply',
'Other/Group',
...
2
votes
1answer
1k views
Shortest Way of creating a basic Space Invaders Game in Python
Hello all code golfers:
Your challenge is to create a basic version of Space Invaders in Python
Rules
Program must be not written in Py3K
All levels must be randomly generated
There must be a HUD ...
0
votes
0answers
126 views
Python - Reverse Polish Notation [duplicate]
Possible Duplicate:
Reverse Polish notation
Create a function named rpn in python to evaluate a string written in Reverse Polish notation
Numbers must be separated by one or more spaces; ...
2
votes
3answers
1k views
Fastest python implementation of multiplication table
I'd be interested to see who can come up with the fastest function to produce multiplication tables, in the following format:
1 2 3 4 5 6 7 8 9 10 11 12
2 4 6 8 10 12 ...
11
votes
2answers
943 views
Fastest python code to find a set of winning words in this game
This is a word game from a set of activity cards for children. Below the rules is code to find the best triplet using /usr/share/dict/words. I thought it was an interesting optimization problem, and ...
61
votes
42answers
8k views
Tips for golfing in Python
What general tips do you have for golfing in Python? I'm looking for ideas that can be applied to code golf problems in general that are at least somewhat specific to Python (e.g. "remove comments" is ...