All Questions
Tagged with programming-challengepython
18 questions with no upvoted or accepted answers
4votes
0answers
165views
Finding the number of possible paths in a cave system (Python)
I've finally come up with working solution for day 12 of AdventOfCode, where you have to find the number of possible paths in a cave system following a given set of rules (described below). My ...
4votes
0answers
858views
Kadane's algorithms to leetcode "121 Best Time to Buy and Sell Stock"
I employed the conventional Kadane's algorithms to solve a maximum subarray problem in leetcode Best Time to Buy and Sell Stock - LeetCode Description Best Time to Buy and Sell Stock ...
- 595
4votes
0answers
498views
Two solutions to leetcode 127.wordLadder
I am working on Word Ladder - LeetCode Given two words (beginWord and endWord), and a dictionary's word list, find the length of shortest transformation sequence from beginWord to endWord, such that:...
- 595
3votes
0answers
87views
Advent of Code 2021: day 10- Syntax Scoring
The following code solves day 10 in the advent of code challenge. The goal for this time around is evaluating whether a line of brackets is complete, has a syntax error or is missing some closing ...
- 5,745
3votes
0answers
1kviews
Given an input string and a pattern, implement wildcard pattern matching
I have been trying to solve "Wildcard Matching" on leetcode. I know there are more "manual" ways to solve this without using the RE library. But I would like to know if passing the time limit is ...
- 181
3votes
0answers
382views
Python2.7 Some xor fun
After doing the Cryptopals challanges, which I found scrolling through codereview, and finally being able to solve set1 challenge 6. I decided to have a little xor fun, and make an automated xor ...
- 11.7k
3votes
0answers
232views
Finding the maximal bottleneck in a 2D matrix from source to destination
I recently started solving programming challenges and this one is causing me performance trouble. The problem statement is the following: You are given a 2d matrix where each cell contains an ...
2votes
0answers
278views
Performance challenge: Box operations (HackerRank) (C, Python)
Recently I've been doing some challenges on HackerRank and came across this one. First, I tried with Python, and then C. Both of my codes failed due to timeout restrictions. It would be very helpful, ...
- 21
2votes
0answers
288views
Split a string into valid words
I am trying to solve this LeetCode question: Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, add spaces in s to construct a sentence where each word is ...
- 1,051
2votes
0answers
2kviews
(Leetcode) Longest consecutive sequence in Python
This is a Leetcode problem - Given an unsorted array of integers, find the length of the longest consecutive elements' sequence. Your algorithm should run in \$O(n)\$ complexity. Example ...
- 2,585
2votes
0answers
377views
Bursting Balloons
This is a Leetcode problem - Given n balloons, indexed from 0 to n-1. Each balloon is ...
- 2,585
2votes
0answers
171views
Daily coding problem 18: Maximums of k-sized windows
The challenge Given an array of integers and a number k, where 1 <= k <= length of the array, compute the maximum values of each subarray of length k. For example, given array = [10, 5, 2, 7, ...
- 2,133
2votes
0answers
256views
Solo dice game (from Reiner Knizia’s Decathlon)
I'm trying to implement Reiner Knizia’s Decathlon, a set of 10 solo dice games played with 8 dices named after Decathlon events in Olympics. The first event is called "100 Metres". The player divides ...
- 173
2votes
0answers
1kviews
Logistic Regression using PyTorch
I want to get familiar with PyTorch and decided to implement a simple neural network that is essentially a logistic regression classifier to solve the Dogs vs. Cats problem. I move 5000 random ...
1vote
0answers
480views
PyQt6 program that lets you adjust the HSV values of an RGB color
I don't know how to actually describe what this script does concisely. I am writing GUI programs using PyQt6, and I want the most beautiful palette for my programs, so I browsed Wikipedia for a bunch ...
- 3,406
