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Topic: "project-euler"

nayuki/Project-Euler-solutions

Runnable code for solving Project Euler problems in Java, Python, Mathematica, Haskell.

Language: Java - Size: 2.52 MB - Last synced at: 28 days ago - Pushed at: about 1 year ago - Stars: 1,936 - Forks: 679

iKevinY/EulerPy

Python-based Project Euler command line tool.

Language: Python - Size: 929 KB - Last synced at: 5 days ago - Pushed at: almost 3 years ago - Stars: 551 - Forks: 53

TheAlgorithms/MATLAB-Octave

This repository contains algorithms written in MATLAB/Octave. Developing algorithms in the MATLAB environment empowers you to explore and refine ideas, and enables you test and verify your algorithm.

Language: MATLAB - Size: 73.8 MB - Last synced at: 6 days ago - Pushed at: over 2 years ago - Stars: 387 - Forks: 181

lucky-bai/projecteuler-solutions

Numerical answers to all Project Euler problems

Size: 156 KB - Last synced at: about 3 hours ago - Pushed at: about 4 hours ago - Stars: 338 - Forks: 78

jaredkrinke/100-languages

Solving the first 100 Project Euler problems using 100 different programming languages!

Language: TypeScript - Size: 492 KB - Last synced at: 25 days ago - Pushed at: about 1 month ago - Stars: 239 - Forks: 12

leduckhai/Awesome-Competitive-Programming

Must-know competitive programming problems with solutions and intuitive visualizations

Language: Jupyter Notebook - Size: 9.65 MB - Last synced at: 6 days ago - Pushed at: 6 days ago - Stars: 199 - Forks: 50

mitcc/AlgoSolutions

:octocat:LeetCode, LintCode, Project Euler, SGU, HackerRank, Cracking the Coding Interview(ctci):palm_tree:

Language: Java - Size: 769 KB - Last synced at: 3 months ago - Pushed at: almost 6 years ago - Stars: 130 - Forks: 70

wce-codepals/hacktoberfest-projecteuler

This repo contains solutions for projecteuler problems in multiple languages. Specially created for newcomers to contribute as part of Hacktoberfest Challenge.

Language: Python - Size: 477 KB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 84 - Forks: 310

stbrumme/euler

C++ solutions for more than 300 Project Euler problems

Language: C++ - Size: 796 KB - Last synced at: over 2 years ago - Pushed at: over 5 years ago - Stars: 84 - Forks: 34

FrankKair/polyglot-euler

📜 Project Euler solutions in various programming languages

Language: Elixir - Size: 641 KB - Last synced at: 7 months ago - Pushed at: almost 3 years ago - Stars: 74 - Forks: 14

davidcorbin/euler-offline

Project Euler problems in text file for offline use

Size: 156 KB - Last synced at: almost 2 years ago - Pushed at: over 4 years ago - Stars: 62 - Forks: 18

iandioch/solutions

Solutions to online programming problems

Language: Python - Size: 998 KB - Last synced at: 3 months ago - Pushed at: 12 months ago - Stars: 43 - Forks: 21

Harmon758/Project-Euler

Project Euler and ProjectEuler+ on HackerRank

Language: Python - Size: 6.72 MB - Last synced at: 3 months ago - Pushed at: over 1 year ago - Stars: 36 - Forks: 15

mccaffary/GPT-4-ChatGPT-Project-Euler

Exploration of the performance of GPT-4 and ChatGPT (OpenAI) on the Project Euler problems

Language: Python - Size: 809 KB - Last synced at: about 1 year ago - Pushed at: about 2 years ago - Stars: 32 - Forks: 3

csu/project-euler-offline

Check solutions for Problem Euler problems while offline.

Language: Python - Size: 12.7 KB - Last synced at: about 1 year ago - Pushed at: almost 6 years ago - Stars: 28 - Forks: 8

ankitpokhrel/c-code-katas

Collection of short programs, data structures, algorithms and competitive programs implemented in C programming language.

Language: C - Size: 45.9 KB - Last synced at: 2 days ago - Pushed at: about 8 years ago - Stars: 28 - Forks: 5

husaynhakeem/Algorithms-Playground

Solutions to algorithmic problems

Language: Java - Size: 9.97 MB - Last synced at: about 1 month ago - Pushed at: about 4 years ago - Stars: 27 - Forks: 13

jfblomgren/EasyEuler

A command line tool for Project Euler

Language: Python - Size: 659 KB - Last synced at: about 1 month ago - Pushed at: over 8 years ago - Stars: 27 - Forks: 3

deniscostadsc/playground

A place to play programming

Language: C++ - Size: 84.3 MB - Last synced at: 11 days ago - Pushed at: 11 days ago - Stars: 22 - Forks: 21

nathaneastwood/euler

A package to offer R solutions to Project Euler problems

Language: R - Size: 191 KB - Last synced at: about 1 year ago - Pushed at: about 6 years ago - Stars: 21 - Forks: 2

sauravjaiswalsj/Competitive-Programming

Competitive Programming Practices

Language: Java - Size: 1.48 MB - Last synced at: about 2 years ago - Pushed at: almost 5 years ago - Stars: 19 - Forks: 8

PB2204/Project-Euler

Solutions Of Project Euler's Problem Using JavaScript

Language: JavaScript - Size: 109 KB - Last synced at: 7 days ago - Pushed at: about 2 years ago - Stars: 18 - Forks: 0

hlissner/practice

Programming exercises. For fun and great good.

Language: C++ - Size: 201 KB - Last synced at: 3 months ago - Pushed at: over 5 years ago - Stars: 18 - Forks: 0

transmogrifier/eulerlib

A library of recreational mathematics and number theory related functions inspired by Project Euler

Language: Python - Size: 176 KB - Last synced at: over 1 year ago - Pushed at: about 10 years ago - Stars: 18 - Forks: 9

LeartS/loleuler

SOLVING PROJEZZ EULER PROBLEMZ IN LOLCODE!! (Project Euler solutions in LOLCODE)

Language: LOLCODE - Size: 306 KB - Last synced at: 6 days ago - Pushed at: over 10 years ago - Stars: 18 - Forks: 0

gauravk268/Competitive_Coding

Contains Solution for all type of Problems of Competitive Programming. Updates Frequently as any problem is solved.

Language: C++ - Size: 23.2 MB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 17 - Forks: 33

foreverbell/project-euler-solutions

Project Euler solutions in Haskell.

Language: Haskell - Size: 343 KB - Last synced at: 2 months ago - Pushed at: over 5 years ago - Stars: 17 - Forks: 0

JoeyTawadrous/Algorithm-Implementations

Lots of algorithm's & their implementations that have been compiled from a variety of locations.

Language: Java - Size: 16.6 KB - Last synced at: about 1 year ago - Pushed at: almost 8 years ago - Stars: 17 - Forks: 6

trizen/project-euler

Personal solutions to various problems from projecteuler.net

Language: Perl - Size: 674 KB - Last synced at: 3 months ago - Pushed at: 11 months ago - Stars: 16 - Forks: 7

lzyrapx/Project-Euler

🍡PE's Math Library

Language: Python - Size: 4.39 MB - Last synced at: 2 days ago - Pushed at: over 3 years ago - Stars: 15 - Forks: 7

Mercerenies/eulers-melting-pot

Project Euler but with some variety

Language: Python - Size: 47.1 MB - Last synced at: 25 days ago - Pushed at: 25 days ago - Stars: 13 - Forks: 1

Alekseyyy/SNHU

Undergraduate Work.

Language: C++ - Size: 217 MB - Last synced at: about 2 months ago - Pushed at: about 2 months ago - Stars: 12 - Forks: 3

formidablae/Hackathons_Competitive_Programming_CTFs

Code submitted in hackathons, competitive programming contests (Advent Of Code, BendingSpoons Codeflows, Google HashCode, Reply Code, AtCoder, BinarySearch, LeetCode, CodeChef, Codeforces, TopCoder Contests) and CTFs (Google CTF, HackTheBox, picoCTF etc.).

Size: 3.91 KB - Last synced at: about 1 year ago - Pushed at: over 3 years ago - Stars: 12 - Forks: 1

Bubbler-4/factor-problem-solving

Solutions to various problems written in Factor

Language: Factor - Size: 479 KB - Last synced at: 11 months ago - Pushed at: over 4 years ago - Stars: 12 - Forks: 0

david-perez/competitive-programming

Language: C++ - Size: 698 KB - Last synced at: almost 2 years ago - Pushed at: over 5 years ago - Stars: 12 - Forks: 7

alice-adventures/Alice

Adventures for Learning and Inspiring Coding Excellence

Language: Ada - Size: 12.4 MB - Last synced at: 6 days ago - Pushed at: 6 days ago - Stars: 11 - Forks: 2

bcc32/projecteuler-ocaml

My solutions to ProjectEuler problems in OCaml. Don't spoil yourself, please!

Language: OCaml - Size: 2.29 MB - Last synced at: about 10 hours ago - Pushed at: 6 months ago - Stars: 11 - Forks: 1

JulioCVaz/datastructures-algorithms

studies about data structures and algorithms

Language: JavaScript - Size: 11.7 KB - Last synced at: over 2 years ago - Pushed at: about 3 years ago - Stars: 11 - Forks: 0

oleg-cherednik/HackerRank

HackerRank solutions

Language: Java - Size: 83 MB - Last synced at: 3 months ago - Pushed at: almost 4 years ago - Stars: 11 - Forks: 12

arora-aditya/competitive-programming

algorithms practice from project euler and leetcode!

Language: Python - Size: 316 KB - Last synced at: over 2 years ago - Pushed at: over 5 years ago - Stars: 11 - Forks: 2

vaibhav29498/HackerrankProjectEuler

Hackerrank ProjectEuler+ solutions

Language: C++ - Size: 56.6 KB - Last synced at: almost 2 years ago - Pushed at: over 6 years ago - Stars: 11 - Forks: 21

emhayki/Project-Euler

Solutions to various Project Euler problems implemented in different programming languages.

Language: MATLAB - Size: 162 KB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 10 - Forks: 1

igorvanloo/Project-Euler-Explained

Project Euler Explained, codes used to solve Project Euler problems

Language: Python - Size: 62.7 MB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 10 - Forks: 0

wlh320/shuaOJ

naive Online Judge solutions 愉快地刷各种OJ(摸了)

Language: C++ - Size: 277 KB - Last synced at: 6 months ago - Pushed at: 6 months ago - Stars: 10 - Forks: 6

formidablae/Project_Euler

Solutions to computational problems of the Project Euler.

Language: Python - Size: 131 KB - Last synced at: about 1 year ago - Pushed at: over 2 years ago - Stars: 10 - Forks: 0

MatthieuDasnoy/python-developer-roadmap

A roadmap to becoming a Python developer

Language: Python - Size: 56.6 KB - Last synced at: almost 2 years ago - Pushed at: almost 2 years ago - Stars: 9 - Forks: 2

sbdzdz/python-katas

Short exercises in Python.

Language: Python - Size: 232 KB - Last synced at: about 1 year ago - Pushed at: over 2 years ago - Stars: 9 - Forks: 8

fredericojordan/project-euler

🔮 Tackling Project Euler's weekly problems

Language: Elixir - Size: 392 KB - Last synced at: almost 2 years ago - Pushed at: about 3 years ago - Stars: 9 - Forks: 0

codedecks-in/ProjectEuler-Solutions

Project Euler solutions using java programming language

Language: Java - Size: 34.2 KB - Last synced at: 2 months ago - Pushed at: over 5 years ago - Stars: 9 - Forks: 4

maaslalaniii/Euley

💻 A command line interface for retrieving problems and checking solutions offline from projecteuler.net

Language: JavaScript - Size: 3.31 MB - Last synced at: about 16 hours ago - Pushed at: about 8 years ago - Stars: 9 - Forks: 1

peeyushy95/Project-Euler

ProjectEuler+ Solution

Language: C++ - Size: 313 KB - Last synced at: about 2 months ago - Pushed at: almost 10 years ago - Stars: 9 - Forks: 5

niranjan-nagaraju/Development

Contains miscellaneous source code of my solutions to Hackerrank, Codechef, Project Euler problems and a library of useful code fragments

Language: Python - Size: 2.72 MB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 8 - Forks: 2

somekindofwallflower/coding-interview-preparation

Coding interview challenges

Language: JavaScript - Size: 2.93 KB - Last synced at: over 2 years ago - Pushed at: over 3 years ago - Stars: 8 - Forks: 0

namannimmo10/project-euler-solutions

My solutions to some of the Project Euler problems.

Language: Python - Size: 137 KB - Last synced at: 2 months ago - Pushed at: over 4 years ago - Stars: 8 - Forks: 10

kss682/algorithms

repo for algorithms

Language: C++ - Size: 223 KB - Last synced at: over 2 years ago - Pushed at: almost 4 years ago - Stars: 7 - Forks: 4

dayyass/project-euler

My solutions to Project Euler problems.

Language: Python - Size: 226 KB - Last synced at: 5 days ago - Pushed at: over 4 years ago - Stars: 7 - Forks: 1

zumrudu-anka/project-euler-challenges

:trophy: Project Euler Challenges

Language: C++ - Size: 73.2 KB - Last synced at: over 2 years ago - Pushed at: over 4 years ago - Stars: 7 - Forks: 1

EULIR/ProjectEuler

:interrobang:Project Euler solutions

Language: Java - Size: 560 KB - Last synced at: about 2 years ago - Pushed at: almost 6 years ago - Stars: 7 - Forks: 0

zxybazh/ACM-Code-Library 📦

Some codes from online judge systems & Standard code lib

Language: C++ - Size: 36.1 KB - Last synced at: about 2 years ago - Pushed at: over 6 years ago - Stars: 7 - Forks: 0

martincostello/project-euler

My solutions for problems on https://projecteuler.net/

Language: C# - Size: 2.05 MB - Last synced at: 7 days ago - Pushed at: 7 days ago - Stars: 6 - Forks: 3

jacobsandersen/codechallenges

Solutions to various code challenges, including AOC 2024.

Language: Java - Size: 201 KB - Last synced at: 7 days ago - Pushed at: 6 months ago - Stars: 6 - Forks: 0

jxu/project-euler-offline

Project Euler problems PDF

Language: HTML - Size: 506 KB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 6 - Forks: 1

miRoox/ProjectEuler

My Project Euler solutions

Language: Mathematica - Size: 151 KB - Last synced at: about 2 months ago - Pushed at: over 3 years ago - Stars: 6 - Forks: 0

kailanefelix/project-euler

"Project Euler exists to encourage, challenge, and develop the skills and enjoyment of anyone with an interest in the fascinating world of mathematics."

Language: Python - Size: 48.8 KB - Last synced at: about 1 year ago - Pushed at: over 3 years ago - Stars: 6 - Forks: 0

pprevos/ProjectEuler

Solutions to Project Euler in the R Language

Language: R - Size: 389 KB - Last synced at: 6 days ago - Pushed at: almost 5 years ago - Stars: 6 - Forks: 4

daniel-beard/JuliaProjectEuler

Problems from ProjectEuler solved using Julia

Language: Julia - Size: 140 KB - Last synced at: about 2 months ago - Pushed at: almost 7 years ago - Stars: 6 - Forks: 1

Tudor67/Competitive-Programming

Source code from various competitive programming platforms and contests

Language: C++ - Size: 3.67 MB - Last synced at: 4 days ago - Pushed at: 4 days ago - Stars: 5 - Forks: 0

GeneralMing/project_euler_solutions_in_C

Language: C - Size: 28.3 KB - Last synced at: 13 days ago - Pushed at: 13 days ago - Stars: 5 - Forks: 1

marcelpetrick/pythonCollection

Collection of Python 3 scripts & daily coding tasks. Unless they were migrated to their own repo.

Language: Python - Size: 2 MB - Last synced at: 3 days ago - Pushed at: 5 months ago - Stars: 5 - Forks: 1

han190/PE-Fortran

Solutions to Project Euler problems written by modern Fortran

Language: Fortran - Size: 3.2 MB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 5 - Forks: 0

aib/Project-Euler

My Project Euler solutions

Language: Haskell - Size: 82 KB - Last synced at: 3 months ago - Pushed at: about 2 years ago - Stars: 5 - Forks: 1

dulapahv/ProblemSet

A place where I practice coding, do coding competitions, do homework, and help my friends to code.

Language: HTML - Size: 1.19 GB - Last synced at: about 2 years ago - Pushed at: about 2 years ago - Stars: 5 - Forks: 0

chrismejia/Programming-Problems

Collection of programming problems I've completed and attempted

Language: JavaScript - Size: 1.46 MB - Last synced at: over 2 years ago - Pushed at: over 2 years ago - Stars: 5 - Forks: 1

Psingh12354/Project-Euler

Here i upload my HackerRank Project Euler Code

Size: 83 KB - Last synced at: 4 months ago - Pushed at: over 2 years ago - Stars: 5 - Forks: 0

dstein64/euler-lisp-helpers 📦

Functions that are useful for solving Project Euler problems with Common Lisp.

Language: Common Lisp - Size: 1.95 KB - Last synced at: about 2 months ago - Pushed at: over 2 years ago - Stars: 5 - Forks: 1

kg-0805/HackerRank-Solutions

This Repository contains all the solutions of HackerRank various tracks. Like Practice questions of C | C++ | JAVA | PYTHON | SQL and many more stuff.

Language: Java - Size: 291 KB - Last synced at: about 2 years ago - Pushed at: over 2 years ago - Stars: 5 - Forks: 3

Arif-un/Project-Eular

Project Eular Problems Solution Javascript

Language: JavaScript - Size: 14.6 KB - Last synced at: over 2 years ago - Pushed at: over 3 years ago - Stars: 5 - Forks: 0

Bubbler-4/math-rs

A collection of mathematical algorithms in pure Rust

Language: Rust - Size: 18.6 KB - Last synced at: 19 days ago - Pushed at: about 4 years ago - Stars: 5 - Forks: 0

zidhuss/project-euler

My project euler solutions

Language: Go - Size: 144 KB - Last synced at: 2 days ago - Pushed at: about 4 years ago - Stars: 5 - Forks: 1

JayantGoel001/Project-Euler

Language: C++ - Size: 10.7 KB - Last synced at: about 2 months ago - Pushed at: over 4 years ago - Stars: 5 - Forks: 0

rene-d/math

programmes divers de math (exercices) + ProjectEuler

Language: Python - Size: 4.77 MB - Last synced at: 7 days ago - Pushed at: 7 days ago - Stars: 4 - Forks: 0

cemenenkoff/pythonomicon

Practice software development like a software professional.

Language: Python - Size: 2.56 MB - Last synced at: 10 months ago - Pushed at: 10 months ago - Stars: 4 - Forks: 0

cr2007/Project-Euler

Problems of Project Euler for anyone interested in improving their programming skills in the form of challenging mathematical problems.

Language: Java - Size: 557 KB - Last synced at: 3 months ago - Pushed at: about 1 year ago - Stars: 4 - Forks: 4

Educorreia932/Code-Challenges

🧠 Solved exercises for different code challenges

Language: Python - Size: 8.75 MB - Last synced at: 20 days ago - Pushed at: over 1 year ago - Stars: 4 - Forks: 0

jessekrubin/pyEuler

predominantly python project euler problems posted here (PPPEPPH)

Language: Python - Size: 16.3 MB - Last synced at: over 1 year ago - Pushed at: over 1 year ago - Stars: 4 - Forks: 1

ashishdotme/code.ashish.me

🎓 coding exercises from leetcode, hackerrank, codesignal etc.

Language: JavaScript - Size: 14.6 MB - Last synced at: almost 2 years ago - Pushed at: about 2 years ago - Stars: 4 - Forks: 6

another-guy/problem-solving-ts

Coding Problems and Their Solutions in TypeScript

Language: TypeScript - Size: 1010 KB - Last synced at: 29 days ago - Pushed at: over 2 years ago - Stars: 4 - Forks: 0

kapoorsaumitra/project-euler

Solutions for projecteuler.net

Language: Java - Size: 167 KB - Last synced at: 5 days ago - Pushed at: over 2 years ago - Stars: 4 - Forks: 3

lukereichold/Coding-Challenges

My solutions to coding challenges for ACM ICPC, Project Euler, HackerRank, etc.

Language: C++ - Size: 109 KB - Last synced at: 1 day ago - Pushed at: over 7 years ago - Stars: 4 - Forks: 1

Fazendaaa/project-euler

Some of the Project Euler exercises in different languages

Language: Ruby - Size: 2.24 MB - Last synced at: 3 days ago - Pushed at: 3 days ago - Stars: 3 - Forks: 0

sajalagrawal/BugFreeCodes

My solutions to problems on various Competitive programming Judges.

Language: C++ - Size: 775 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 3 - Forks: 3

egargo/study

:man_technologist: My programming problem solutions.

Language: Rust - Size: 5.08 MB - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 3 - Forks: 0

RussellDash332/Project-Euler

All my related codes for Project Euler

Language: Python - Size: 160 KB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 3 - Forks: 0

alexandru-dinu/programming-challenges

Solutions for various programming challenges.

Language: Jupyter Notebook - Size: 34.2 MB - Last synced at: 5 days ago - Pushed at: 6 months ago - Stars: 3 - Forks: 1

thaliaarchi/ws-challenges

Solutions for Project Euler, Advent of Code, and Rosetta Code in Whitespace

Language: Makefile - Size: 195 KB - Last synced at: 3 months ago - Pushed at: 7 months ago - Stars: 3 - Forks: 0

Tafara-N/Code_Challenges

Coding challenges from different platforms.

Language: Python - Size: 404 KB - Last synced at: 2 months ago - Pushed at: 8 months ago - Stars: 3 - Forks: 0

mfirhas/ProgrammingChallenges

Some Programming Challenges Solved online.

Language: C# - Size: 716 KB - Last synced at: 2 months ago - Pushed at: 10 months ago - Stars: 3 - Forks: 2

Zeta611/project-euler

My Project Euler solutions

Language: Python - Size: 334 KB - Last synced at: 24 days ago - Pushed at: 12 months ago - Stars: 3 - Forks: 0

Samuel0104/Project-Euler

Code for solving Project Euler problems in Python.

Language: Python - Size: 208 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 3 - Forks: 0

EigenSolver/Project_Euler

Project Euler 真的快乐

Language: Python - Size: 366 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 3 - Forks: 0

Related Topics
python 275 mathematics 136 algorithms 129 project-euler-solutions 118 euler 98 math 97 javascript 93 python3 87 java 81 cpp 77 hackerrank 73 c 62 euler-solutions 59 competitive-programming 57 solutions 55 haskell 54 leetcode 54 problem-solving 52 rust 51 projecteuler 47 data-structures 42 bootstrap5 41 css3 41 google-fonts 40 html5 40 algorithm-challenges 35 algorithm 33 project-euler-python-solutions 32 projecteuler-solutions 30 go 29 golang 28 csharp 26 hackerrank-solutions 23 codeforces 22 number-theory 22 advent-of-code 21 c-plus-plus 19 ruby 19 euler-project 18 problems 16 challenge 15 challenges 15 maths 15 algorithms-and-data-structures 15 programming 14 typescript 13 kotlin 13 scala 13 functional-programming 12 rust-lang 12 project 12 programming-challenges 11 euler-exercises 11 coding-challenges 11 codewars 11 elixir 11 codechef 11 solution 10 leetcode-solutions 10 julia 10 coding-challenge 10 freecodecamp 9 spoj 9 practice 9 hacktoberfest 9 clojure 9 python-3 9 php 9 project-euler-go-solutions 9 cplusplus 8 dynamic-programming 8 interview 8 exercism 8 atcoder 8 problem 8 codeforces-solutions 8 kattis 8 cracking-the-coding-interview 7 programming-exercises 7 project-euler-c-solutions 7 learning 7 projecteuler-python 7 puzzles 7 interview-questions 7 computer-science 7 euler-puzzles-answered 7 r 7 coding 7 mathematica 6 c-sharp 6 hackerrank-python 6 topcoder 6 racket 6 project-euler-plus 6 programming-challenge 5 leetcode-python 5 prime-numbers 5 eulerproject 5 js 5 hackerearth 5