kactl
Fork_CPP
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kactl
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Popcount walks: next, previous, toward and nearest
As a competitive programmer, I’ve seen similar ‘magic’ tricks here: https://github.com/kth-competitive-programming/kactl/blob/ma... (page 23)
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Learning Python was a good decision. Python may have its own shortcomings, but big integers aren't scary anymore 😇😇
Printed references (e.g. KACTL) are allowed.
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Competitive Programming Is Useless
There's not _that_ many algorithms or data structures you see in competitive programming, and the vast majority of them aren't advanced. You do need to memorize a good portion of them, but doing so is the easy part towards becoming good at it.
You can read one moderate length book and know all of the DSes and algorithms you'll need for 99.9% of the time. cses.fi/book is a good one with a free version if you're curious.
https://github.com/kth-competitive-programming/kactl may also be of interest, it contains a good amount of the algorithms/DSes you'd ever need on a few printable pages (20ish).
- [graph theory] Simple algorithm to solve k-cliques problem on graphs
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I want to design and build a programming language specifically for competitive programming!
Finally, there are certain types of algorithms/operations that can be very sensitive to implementation. For example, a "good" Fast Fourier Transform implementation may be 3-4 orders of magnitude faster than a naive recursive one (with the same complexity!). Another fun case is something like (a*b)%c when the numbers are 64 bit. Using a fast implementation like this one (https://github.com/kth-competitive-programming/kactl/blob/master/content/number-theory/ModMulLL.h#L20) can speed up your code by 3-4x compared to using a naive implementation.
Fork_CPP
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Contributing on Github using the Github website
I’ve received the permission of Mashiya to use his repository for this post .
What are some alternatives?
cpstl - Copy and Paste standard library (CPSTL) is a repository with a collection of data structure and algorithms in many different languages
rpp - Rashi Plus Plus - the new Hebrew scripting language
cc0-textures - Torrent downloads of free, CC0 licensed, PBR textures
Python-Competitive-Programming - :computer: [Competitive Programming] This Repo consists of my solutions in Python 3 to various problems of [HackerRank, Leetcode, Codeforces, Code Chef etc.]
BitsPlease-solutions - Solutions For Problems uploaded in
DSAQuestions - Collection of data-structures and algorithms along with resources and guidelines for mastering coding
LeetCode-Solutions - 🏋️ Python / Modern C++ Solutions of All 3134 LeetCode Problems (Weekly Update)
code_problems - Code Problems from Coding Challenge Websites. The goal is to help them to improve their code skills and also studying for coding interviews.
dice - Digital Image Correlation Engine (DICe): a stereo DIC application that runs on Mac, Windows, and Linux
The-CP-Companion - Your ultimate destination for Competitive Coding this Hacktoberfest21
Leetcode_Solutions
callofcode - Coding exercises for beginners. Want to contribute, check out the issues.