2014-11-16 19:10:38 +00:00
### Index
2015-11-13 13:25:42 +00:00
2014-11-16 19:10:38 +00:00
* [Competitive Programming ](#competitive-programming )
2020-10-14 13:57:36 +00:00
* [CTF Capture the Flag ](#capture-the-flag )
2016-05-25 10:39:23 +00:00
* [Data science ](#data-science )
2019-12-11 13:33:50 +00:00
* [Information security ](#information-security )
2016-05-27 21:19:21 +00:00
* [Problem Sets ](#problem-sets )
2014-11-16 19:10:38 +00:00
### Competitive Programming
2015-11-13 13:25:42 +00:00
2015-11-13 20:52:57 +00:00
* [4Clojure ](http://www.4clojure.com )
2016-08-01 12:53:03 +00:00
* [A2 Online Judge ](https://a2oj.com )
2020-10-13 14:05:42 +00:00
* [AtCoder ](https://atcoder.jp )
* [Binary Search ](https://binarysearch.com )
2017-11-25 04:00:17 +00:00
* [Caribbean Online Judge ](http://coj.uci.cu )
2020-10-15 01:36:27 +00:00
* [COCI ](https://hsin.hr/coci/ )
2015-11-13 20:52:57 +00:00
* [Codeabbey ](http://www.codeabbey.com )
2015-12-13 17:32:57 +00:00
* [Codechef ](https://www.codechef.com/contests )
2017-01-03 17:42:16 +00:00
* [Codecombat ](https://codecombat.com )
2015-11-13 20:52:57 +00:00
* [Codeeval ](https://www.codeeval.com )
2016-03-08 18:09:54 +00:00
* [CodeFights ](https://codefights.com )
2016-08-01 12:53:03 +00:00
* [Codeforces ](http://codeforces.com/contests )
2020-11-09 17:23:51 +00:00
* [Codeground ](https://www.codeground.org )
2015-12-13 21:07:27 +00:00
* [Coderbyte ](https://coderbyte.com )
* [Codewars ](http://www.codewars.com )
2015-12-13 17:32:57 +00:00
* [Codingame ](https://www.codingame.com/start )
2020-11-09 17:23:51 +00:00
* [DMOJ ](https://dmoj.ca )
2020-10-14 14:18:09 +00:00
* [E-olymp ](https://www.e-olymp.com/en/ )
2014-11-16 19:10:38 +00:00
* [Facebook Hackercup ](https://www.facebook.com/hackercup )
2020-10-13 13:49:52 +00:00
* [Google Code Jam ](https://codingcompetitions.withgoogle.com/codejam )
2020-11-30 16:02:54 +00:00
* [Google Kickstart ](https://codingcompetitions.withgoogle.com/kickstart )
2017-01-02 20:12:28 +00:00
* [HackerEarth ](https://www.hackerearth.com )
2017-01-02 20:19:33 +00:00
* [Hackerrank ](https://www.hackerrank.com )
2015-11-13 20:52:57 +00:00
* [Internet Problem Solving Contest ](http://ipsc.ksp.sk )
* [Just another Golf Coding ](http://jagc.org )
2016-11-03 22:06:02 +00:00
* [Kattis ](https://open.kattis.com )
2018-06-11 03:15:29 +00:00
* [LeetCode ](https://leetcode.com )
2015-12-13 17:32:57 +00:00
* [Microcorruption ](https://microcorruption.com/login )
2020-11-09 17:23:51 +00:00
* [oj.uz ](https://oj.uz )
2016-08-01 12:53:03 +00:00
* [Sphere Online Judge ](http://www.spoj.com/contests )
2020-11-15 23:20:25 +00:00
* [Techgig ](https://www.techgig.com )
2015-11-13 20:52:57 +00:00
* [Topcoder ](https://www.topcoder.com )
2020-10-01 13:58:06 +00:00
* [Toph ](https://toph.co )
* [URI Online Judge ](https://www.urionlinejudge.com.br/judge/en/login )
2014-11-16 19:10:38 +00:00
2020-10-14 13:57:36 +00:00
### Capture the flag
2020-10-22 00:27:46 +00:00
* [CTFlearn ](https://ctflearn.com ) (email adress *requested* )
2020-10-14 13:57:36 +00:00
* [Google Ctf ](https://capturetheflag.withgoogle.com ) (email adress *requested* )
2020-11-15 23:35:08 +00:00
* [Hacker101 ](https://ctf.hacker101.com ) (email adress *requested* )
2020-10-14 13:57:36 +00:00
* [Hackthebox ](https://www.hackthebox.eu ) (email adress *requested* )
* [Overthewire Wargames fungame to practice CTF ](https://overthewire.org/wargames/bandit )
* [Picoctf ](https://picoctf.org/resources ) (email adress *requested* )
* [TryHackMe ](https://tryhackme.com ) (email adress *requested* )
2016-05-27 21:19:21 +00:00
### Data science
2020-10-18 18:55:25 +00:00
* [AIcrowd ](https://www.aicrowd.com )
2020-10-19 23:42:45 +00:00
* [CodaLab ](https://competitions.codalab.org )
2020-11-12 03:11:15 +00:00
* [CrowdANALYTIX ](https://www.crowdanalytix.com/community )
2020-10-19 14:53:23 +00:00
* [DrivenData ](https://www.drivendata.org )
2016-05-27 21:19:21 +00:00
* [Kaggle ](https://www.kaggle.com )
2020-11-12 03:11:15 +00:00
* [KDD Cup ](https://www.kdd.org/kdd2019/kdd-cup )
2016-05-27 21:19:21 +00:00
2019-12-11 13:33:50 +00:00
### Information security
2020-04-16 15:20:44 +00:00
* [ångstromCTF ](https://angstromctf.com )
2020-10-15 18:30:26 +00:00
* [CTFtime ](https://ctftime.org )
2020-11-06 18:08:50 +00:00
* [Hacker101 ](https://ctf.hacker101.com )
* [InCTF ](https://inctf.in )
2019-12-11 13:33:50 +00:00
2014-11-16 19:10:38 +00:00
### Problem Sets
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2020-11-04 19:06:44 +00:00
* [500 Data structures and algorithms interview questions and their solutions in C++ ](https://www.quora.com/q/techiedelight/500-Data-Structures-and-Algorithms-interview-questions-and-their-solutions )
2016-08-01 12:53:03 +00:00
* [A2 Online Judge ](https://a2oj.com/ps )
2016-01-31 03:20:48 +00:00
* [Advent Of Code ](http://adventofcode.com )
2016-02-02 06:37:09 +00:00
* [Anarchy Golf ](http://golf.shinh.org )
2015-11-13 20:52:57 +00:00
* [CareerCup ](http://www.careercup.com )
* [CheckIO ](http://www.checkio.org )
2017-01-03 17:42:16 +00:00
* [Codeforces ](http://codeforces.com/problemset )
2015-06-10 14:29:41 +00:00
* [Codility ](https://codility.com/programmers/ )
2014-11-16 19:10:38 +00:00
* [Coding Bat ](http://codingbat.com/java )
2020-10-14 14:18:09 +00:00
* [CSES Problem Set ](https://cses.fi/problemset/ )
2015-11-13 20:52:57 +00:00
* [Exercism ](http://exercism.io )
2016-03-12 16:42:10 +00:00
* [Geeks For Geeks ](http://www.geeksforgeeks.org )
2014-11-16 19:10:38 +00:00
* [Google Code Jam - Practise ](https://code.google.com/codejam/contests.html )
2015-11-13 20:52:57 +00:00
* [Hacker.org ](http://www.hacker.org )
* [HackerEarth ](https://www.hackerearth.com )
2016-07-04 10:13:21 +00:00
* [HDU Online Judge ](http://acm.hdu.edu.cn )
2017-04-03 13:50:03 +00:00
* [Interactive Coding Challenge ](https://github.com/donnemartin/interactive-coding-challenges )
2015-12-02 13:53:02 +00:00
* [InterviewBit ](https://www.interviewbit.com )
2016-11-03 22:06:02 +00:00
* [Kattis ](https://open.kattis.com )
2015-11-13 20:52:57 +00:00
* [Leetcode ](https://leetcode.com )
2014-11-16 19:10:38 +00:00
* [Mathproblem of the Month - Bilkent University ](http://www.fen.bilkent.edu.tr/~cvmath/prob-month.html )
2015-11-13 20:52:57 +00:00
* [PEG Judge ](http://wcipeg.com )
* [PKU Online Judge ](http://poj.org )
2015-12-13 17:32:57 +00:00
* [Ponder This! ](https://www.research.ibm.com/haifa/ponderthis/index.shtml )
2020-10-28 14:28:44 +00:00
* [Practice Python ](https://www.practicepython.org )
2017-10-23 13:53:01 +00:00
* [ProblemBook.NET ](https://github.com/AndreyAkinshin/ProblemBook.NET )
2015-11-13 20:52:57 +00:00
* [Project Euler ](https://projecteuler.net )
* [Python Practice Projects ](http://pythonpracticeprojects.com )
2015-01-27 17:00:32 +00:00
* [Rosalind ](http://rosalind.info/problems/locations/ )
2016-08-01 12:53:03 +00:00
* [Sphere Online Judge ](http://www.spoj.com/problems/classical )
2015-12-13 17:32:57 +00:00
* [TalentBuddy ](http://www.talentbuddy.co/blog/ )
2015-11-13 20:52:57 +00:00
* [Timus Online Judge ](http://acm.timus.ru )
2015-01-27 15:57:24 +00:00
* [URI Online Judge ](https://www.urionlinejudge.com.br/judge/login )
2015-12-13 17:32:57 +00:00
* [UVa Online Judge ](https://uva.onlinejudge.org/index.php?Itemid=8&option=com_onlinejudge )