All Questions
Tagged with python programming-challenge
1,027
questions
5
votes
3
answers
855
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Project Euler 127 - abc-hits
Problem (Rephrased from here):
The radical of \$n\$, \$rad(n)\$, is the product of distinct prime factors of \$n\$. For example, \$504 = 2^3 × 3^2 × 7\$, so \$rad(504) = 2 × 3 × 7 = 42\$.
We shall ...
- 53
2
votes
1
answer
41
views
Optimal Extraction of Longest Sorted Sequence from Individually Sorted Bucket Arrays Without Repetitions
Consider a bucket array containing sorted and/or empty buckets, and the goal is to extract the longest possible sequence in sorted order, under the following conditions:
Only one element in each ...
- 121
3
votes
1
answer
152
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Performance Tuning to enable answer for Project Euler #566 "Cake Icing Puzzle"
Related to this question I am still looking for a solution to Project Euler Problem 566 (see link for a nice simulation also):
Adam plays the following game with his birthday cake.
He cuts a piece ...
- 153
5
votes
2
answers
338
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Coding challenge for mixing a string
Challenge at https://www.codewars.com/kata/5629db57620258aa9d000014/train/python
Given two strings s1 and s2, we want to visualize how different the
two strings are. We will only take into account ...
- 133
2
votes
3
answers
564
views
Extract data from poorly formatted phonebook
The Problem
John keeps a backup of his old personal phone book as a text file. On
each line of the file he can find the phone number (formated as
+X-abc-def-ghij where X stands for one or two digits),...
- 133
4
votes
1
answer
132
views
Longest spell to cast from pages of spellbook follow-up
This question is from the PCTC 2022 R2 Past Paper and is a follow-up on my previous question. Previous question
I have implemented several solutions suggested, such as creating an array with pages ...
- 109
6
votes
4
answers
568
views
Longest spell to cast from pages of spellbook
While practicing for a school coding challenge, I came across this problem. My code got the right answers but exceeded the time limited. Any tips for how to reduce the time complexity?
https://pctc....
- 109
1
vote
3
answers
214
views
LeetCode 856: Score of Parentheses
Given a balanced parentheses string s, return the score of the string.
The score of a balanced parentheses string is based on the following rule:
- "()" ...
- 21
1
vote
2
answers
125
views
Optimizing an algebraic assignment puzzle
I am going to do a math competition which allows writing programs to solve problems.
The code attempts to solve problem 25 from the Purple Comet Spring 2004 Mathematics Meet:
In the addition problem
<...
- 131
1
vote
1
answer
132
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Read millions of integers from stdin and process them in Python within 2 seconds
This is a competitive programming problem which has never been solved in Python within the time limit of 2 seconds. It is about Disjoint Set Union:
Source: Algorithms In Context #10: Disjoint Sets
...
- 111
6
votes
2
answers
707
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Making a Rock Paper Scissors game in Python - How to reduce repetition and make it more effective?
I am a "new" coder to Python - saying this because I got stuck in the tutorial hell - and I saw that doing projects was a way of consolidating what I had learnt from those tutorials, so here ...
- 63
0
votes
2
answers
118
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Advent of Code 2023 - Day 19: Aplenty (Part 1)
Description:
The task involves processing a set of workflows, each comprising rules. These rules define conditions based on part ratings and dictate the destination workflow if the conditions are ...
- 9,462
4
votes
1
answer
159
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Roman numerals look and say sequence
I was practicing question 1 of the 2020 british informatics olympiad past paper:
The Roman look-and-say description of a string (of Is, Vs, Xs, Ls, Cs, Ds and Ms) is made by taking each
block of ...
- 877
0
votes
2
answers
73
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Advent of Code 2023 - Day 15: Lens Library
Part 1:
The task involves initializing the Lava Production Facility using an
initialization sequence. The sequence consists of steps, each requiring the
application of the Holiday ASCII String Helper ...
- 9,462
0
votes
1
answer
50
views
Advent of Code 2023 - Day 9: Mirage Maintenance
Part 1:
The task involves analyzing an environmental report from an oasis using the
Oasis And Sand Instability Sensor (OASIS). The report consists of multiple
histories, each containing a sequence of ...
- 9,462