COMPETITIVE CODING RESOURCES....

#	User	Rating
1	tourist	3690
2	jiangly	3647
3	Benq	3581
4	orzdevinwang	3570
5	Geothermal	3569
5	cnnfls_csy	3569
7	Radewoosh	3509
8	ecnerwala	3486
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#	User	Contrib.
1	maomao90	174
2	awoo	164
3	adamant	162
4	TheScrasse	160
5	nor	158
6	maroonrk	156
7	-is-this-fft-	152
8	orz	146
9	pajenegod	145
9	Petr	145

- I have collected resources from evey bit over internet and tried to bring it on one blog.....contributions are heartly welcomed..... :)
- Following are the links to every possible resources required for Competitive programming::::::::::
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- **https://www.quora.com/Who-are-the-best-coders-to-follow-on-GitHub**
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- **https://www.quora.com/Who-are-the-best-coders-to-follow-on-GitHub**
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- **http://codeforces.com/blog/entry/43230**
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- **https://www.quora.com/Who-are-some-of-the-programmers-on-GitHub-to-learn-from**
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- **https://github.com/aalhour/C-Sharp-Algorithms**
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- **https://github.com/absnaik810/SPOJ-Repository**
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- **https://www.quora.com/topic/ACM-International-Collegiate-Programming-Contest-ICPC**
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- **http://www.geeksforgeeks.org/tag/acm-icpc/**
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- **https://contest.yandex.com/algorithm2015/**
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- **https://handong1587.github.io/algorithm_and_data_structure/2015/07/01/resourses.html**
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- **https://www.quora.com/topic/Algorithms**
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- **http://petr-mitrichev.blogspot.in/2009/10/gennady-korotkevich.html**
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- **http://eulercoder.me/AlgoWiki/**
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- **http://codeforces.com/blog/entry/23054**
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- **https://github.com/ashim888/dataStructureAndAlgorithm**
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- **http://codeforces.com/blog/entry/43578?locale=en**
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- **https://discuss.codechef.com/questions/64426/awesome-resource-for-ds-and-algorithms**
- ****
- **https://www.commonlounge.com/discussion/97e9927870d84b51a7dc5d4a52d5434d/main**
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- **http://shivamkhandelwal.in/beginners-guide-to-competitive-programming/**
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- **https://github.com/bnmnetp/pythonds**
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- **http://codeluli.blogspot.in/**
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- **https://www.quora.com/topic/Competitive-Programming**
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- **https://machlearner.wordpress.com/resources/**
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- **https://www.quora.com/Competitive-Programming-How-do-I-practice-smartly**
- ****
- **https://www.quora.com/Competitive-Programming-What-is-the-best-way-to-progress-through-practice-problems-on-CodeChef-SPOJ-**
- TopCoder-etc
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- **https://github.com/Michael0x2a/curated-programming-resources/blob/master/resources.md**
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- **https://github.com/esbanarango/Competitive-Programming**
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- **https://github.com/EvgenyKarkan/EKAlgorithms**
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- **https://gist.github.com/sharmaeklavya2/5299a4cd059a6f6f8699**
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- **https://github.com/haoel/leetcode**
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- **https://www.quora.com/How-can-I-improve-in-competitive-programming**
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- **https://github.com/haseebr/competitive-programming**
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- **http://www.geeksforgeeks.org/how-to-prepare-for-acm-icpc/**
- ****
- **https://www.quora.com/Im-preparing-for-the-ACM-ICPC-2016-what-should-be-the-perfect-strategy-and-how-much-time-should-I-**
- practice-daily
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- **https://www.hackerearth.com/practice/notes/iterative-tree-traversals/**
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- **http://blog.hackerearth.com/2013/09/competitive-programming-getting-started_11.html**
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- **https://github.com/miguelarauj1o/URI**
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- **http://codeforces.com/blog/entry/16245**
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- **http://codeforces.com/blog/entry/10480**
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- **https://www.hackerearth.com/practice/notes/trending/**
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- **https://github.com/marioyc/Online-Judge-Solutions/tree/master/Timus%20Online%20Judge**
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- **https://github.com/palcu/algo**
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- **https://github.com/phishman3579/java-algorithms-implementation**
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- **https://github.com/prakhar1989/Algorithms**
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- **https://github.com/prakharcode/Algo_Ds_Notes**
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- **http://codeforces.com/blog/entry/11437**
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- **https://github.com/ramswaroop/Algorithms-and-Data-Structures-in-Java**
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- **http://psyho.gg/**
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- **https://github.com/raywenderlich/swift-algorithm-club**
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- **https://github.com/rodrigoalvesvieira/competitive-programming**
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- **https://discuss.leetcode.com/topic/30746/share-some-analysis-and-explanations**
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- **https://github.com/tayllan/awesome-algorithms**
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- **https://github.com/turingschool/data_structures_and_algorithms**
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- **https://www.quora.com/What-are-the-best-resources-for-learning-coding-for-competitive-programming-contests**
- ****
- **https://www.quora.com/What-are-some-good-resources-to-learn-C++-for-competitive-programming**
- ****
- **https://www.quora.com/What-are-some-of-the-best-websites-to-learn-competitive-coding**
- ****
- **https://www.quora.com/What-are-some-of-the-most-useful-blogs-for-competitive-programming**
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- **https://www.quora.com/What-are-some-good-blogs-for-learning-algorithms-and-competitive-programming-techniques?**
- redirected_qid=2912752https://www.quora.com/What-is-best-approach-for-competitive-programming
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- **https://www.quora.com/What-are-some-good-blogs-for-learning-algorithms-and-competitive-programming-techniques?redirected_qid=4637165**
- ****
- **https://www.quora.com/What-is-the-best-competitive-programming-reference-to-bring-to-a-competition**
- ****
- **https://www.quora.com/What-is-the-best-resource-to-learn-Java-for-competitive-programming**
- ****
- **https://www.quora.com/What-is-the-best-strategy-to-improve-my-skills-in-competitive-programming-in-2-3-months**
- ****
- **https://www.hackerearth.com/practice/codemonk/**
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- **https://www.codechef.com/wiki/tutorials**
- **https://discuss.codechef.com/**
- **https://www.quora.com/Which-are-the-top-blogs-to-follow-to-explore-about-algorithms-and-data-structures**
- **http://codeforces.com/blog/entry/8008**
- **http://codeforces.com/blog/entry/43286**
- **https://discuss.codechef.com/questions/48877/data-structures-and-algorithms**
- **https://www.quora.com/Are-there-any-good-tutorial-blogs-on-Codeforces**
- **https://www.quora.com/Dynamic-Programming-DP/Are-there-any-good-resources-or-tutorials-for-dynamic-programming-besides-the-TopCoder-tutorial**
- **http://codeforces.com/blog/entry/18455**
- **http://codeforces.com/blog/entry/1492**
- **http://codeforces.com/blog/entry/619**
- **http://codeforces.com/blog/entry/10355**
- **http://codeforces.com/blog/entry/3781**
- **http://codeforces.com/blog/entry/13520**
- **http://codeforces.com/blog/entry/15890**
- **http://codeforces.com/blog/entry/13529**
- **http://codeforces.com/blog/entry/15729**
- **http://codeforces.com/blog/entry/16221**
- **https://helloacm.com/**
- **https://codingforspeed.com/**
- **http://www.infopulse.com/blog/timsort-sorting-algorithm/**
- **http://cpptruths.blogspot.in/**
- **http://www.iarcs.org.in/inoi/online-study-material/index.php**
- **http://www.iarcs.org.in/inoi/**
- **http://www.spoj.com/contests/**
- **https://www.codechef.com/getting-started**
- **https://www.quora.com/How-can-I-learn-JSON-android-from-scratch**
- **https://www.quora.com/How-do-I-parse-JSON-data-for-an-Android-app**
- **https://www.quora.com/How-do-you-parse-JSON-with-Java**
- **https://www.quora.com/How-should-I-start-developing-android-app-for-a-website**
- **https://www.quora.com/topic/JSON**
- **https://www.quora.com/Suggest-me-some-link-of-JSON-tutorial-for-Android-Development-How-can-I-be-the-master-in-it**
- **https://www.quora.com/What-are-the-best-sources-to-learn-JSON-parse-in-Android**
- **https://www.quora.com/Whats-the-best-Objective-C-JSON-Parser-Library**
- **https://www.quora.com/When-an-iPhone-app-receives-data-as-either-JSON-or-XML-is-it-better-to-store-the-data-in-an-nsdictionary-or-a-mutable-array**
- **https://www.quora.com/When-would-you-use-JSON-in-a-real-world-application**
- **https://www.quora.com/Why-do-we-use-JSON-in-Android-and-what-role-does-it-play-in-Android**
- **https://www.quora.com/What-are-the-best-websites-with-algorithm-practice-problems**
- **https://www.quora.com/Where-can-I-find-difficult-algorithm-data-structure-problems**
- **https://www.quora.com/Who-are-some-of-the-programmers-on-GitHub-to-learn-from**
- **https://www.quora.com/Who-are-the-best-coders-to-follow-on-GitHub**
- **http://ch24.org/**
- **https://coj-forum.uci.cu/viewforum.php?f=42**
- **https://www.topcoder.com/members/a06/**
- **https://github.com/aalhour/C-Sharp-Algorithms**
- **https://projecteuler.net/**
- **https://github.com/absnaik810/SPOJ-Repository**
- **https://www.quora.com/topic/ACM-International-Collegiate-Programming-Contest-ICPC**
- **http://www.geeksforgeeks.org/tag/acm-icpc/**
- **https://icpcarchive.ecs.baylor.edu/**
- **http://judge.u-aizu.ac.jp/onlinejudge/register.jsp?state=0**
- **http://judge.u-aizu.ac.jp/onlinejudge/**
- **https://open.kattis.com/users/akash-kandpal#**
- **http://azspcs.com/**
- **https://contest.yandex.com/algorithm2015/**
- **https://handong1587.github.io/algorithm_and_data_structure/2015/07/01/resourses.html**
- **https://www.quora.com/topic/Algorithms**
- **http://petr-mitrichev.blogspot.com/2009/10/gennady-korotkevich.html**
- **http://eulercoder.me/AlgoWiki/**
- **https://www.kaggle.com/account/authenticate/google/return#**
- **http://codeforces.com/blog/entry/23054**
- **https://www.commonlounge.com/community/c3f97b04684649b1947803b817be5b4b**
- **https://github.com/ashim888/dataStructureAndAlgorithm**
- **http://codeforces.com/blog/entry/43578?locale=en**
- **https://discuss.codechef.com/questions/64426/awesome-resource-for-ds-and-algorithms**
- **https://www.codechef.com/problems/school**
- **https://www.commonlounge.com/discussion/97e9927870d84b51a7dc5d4a52d5434d/main**
- **http://shivamkhandelwal.in/beginners-guide-to-competitive-programming/**
- **https://confluence.atlassian.com/bitbucket/bitbucket-tutorials-teams-in-space-training-ground-755338051.html**
- **https://github.com/bnmnetp/pythonds**
- **https://www.urionlinejudge.com.br/judge/en/categories**
- **https://en.wikipedia.org/wiki/Central_European_Olympiad_in_Informatics**
- **http://codeforces.com/**
- **http://www.hpcodewars.org/**
- **http://codeluli.blogspot.in/**
- **http://coj.uci.cu/index.xhtml**
- **https://www.codechef.com/contests**
- **https://www.quora.com/topic/Competitive-Programming**
- **https://machlearner.wordpress.com/resources/**
- **https://www.quora.com/Competitive-Programming-How-do-I-practice-smartly**
- **https://www.quora.com/Competitive-Programming-What-is-the-best-way-to-progress-through-practice-problems-on-CodeChef-SPOJ-TopCoder-etc**
- **http://www.competitiveprogrammingnetwork.com/**
- **https://github.com/Michael0x2a/curated-programming-resources/blob/master/resources.md**
- **http://tunedit.org/challenges**
- **https://www.commonlounge.com/community/9dcdd386cc28446695305db00d2de532**
- **http://justforprogrammers.blogspot.in/2015/12/downgrade-from-marshmallow-to-lollipop.html**
- **http://www.infoarena.ro/downloads**
- **https://github.com/esbanarango/Competitive-Programming**
- **https://github.com/EvgenyKarkan/EKAlgorithms**
- **https://www.quora.com/For-an-ACM-beginner-how-should-I-start**
- **https://en.wikipedia.org/wiki/Gennady_Korotkevich**
- **https://gist.github.com/sharmaeklavya2/5299a4cd059a6f6f8699**
- **https://github.com/gitvipin/LeetSol**
- **https://www.google-melange.com/archive/**
- **http://www.hackathon.io/events**
- **https://www.quora.com/HackerRank-What-are-the-coding-contests-sites-where-companies-hire-from**
- **http://ww35.hacktissite.org/**
- **https://github.com/haoel/leetcode**
- **https://bitbucket.org/harrypotter0/**
- **https://github.com/haseebr/competitive-programming**
- **https://dmoj.ca/**
- **https://summerofcode.withgoogle.com/**
- **https://discuss.leetcode.com/**
- **https://www.quora.com/How-can-I-become-good-at-competitive-programming-Are-there-any-courses-that-will-take-me-one-step-forward-before-I-start-doing-SPOJ-or-TopCoder-problems**
- **https://www.quora.com/How-can-I-improve-in-competitive-programming**
- **https://www.reddit.com/r/learnprogramming/comments/1cj4h4/how_do_i_get_better_at_competitive_programming/**
- **https://www.quora.com/How-do-I-prepare-for-ACM-ICPC-regional**
- **https://www.quora.com/How-do-I-prepare-for-ACM-ICPC**
- **https://www.quora.com/How-should-I-prepare-for-ACM-ICPC**
- **https://www.quora.com/How-should-one-prepare-for-coding-competitions-from-scratch-who-has-just-basic-knowledge-of-programming-in-C-and-C++**
- **https://www.quora.com/How-should-we-start-preparation-for-ACM-ICPC**
- **http://codeforces.com/blog/entry/11948**
- **http://www.droidopinions.com/how-to-downgrade-lg-g4-h815-to-5-1-1-lollipop/**
- **http://www.geeksforgeeks.org/how-to-prepare-for-acm-icpc/**
- **https://www.hackerearth.com/ama/i-am-lalit-kundu-algorithmist-programmer-acm-icpc-15-kgp-winner-ask-me-anything/**
- **https://www.quora.com/Im-preparing-for-the-ACM-ICPC-2016-what-should-be-the-perfect-strategy-and-how-much-time-should-I-practice-daily**
- **http://icfpc2016.blogspot.in/**
- **https://www.quora.com/If-I-want-to-start-practicing-on-TopCoder-should-I-start-with-the-very-first-problems-If-not-from-which-problem-should-I-begin**
- **http://shygypsy.com/acm/**
- **https://www.innocentive.com/ar/challenge/browse**
- **https://www.commonlounge.com/community/e4aac00a033a40ec96657906c6e1b43c?action=community-join#_=_**
- **https://www.commonlounge.com/community/e4aac00a033a40ec96657906c6e1b43c?action=community-join**
- **https://en.wikipedia.org/wiki/International_Olympiad_in_Informatics**
- **https://ipsc.ksp.sk/**
- **https://www.interviewbit.com/dashboard/#**
- **http://ioi2017.org/**
- **https://www.hackerearth.com/practice/notes/iterative-tree-traversals/**
- **http://www.lightoj.com/register_user.php**
- **http://www.lightoj.com/login_main.php**
- **https://github.com/karan/Projects**
- **https://open.kattis.com/**
- **http://www.kurniady.net/**
- **http://blog.hackerearth.com/2013/09/competitive-programming-getting-started_11.html**
- **http://blog.mashape.com/list-of-40-tutorials-on-how-to-create-an-api/**
- **https://github.com/lnishan?tab=repositories**
- **https://github.com/lnishan/awesome-competitive-programming**
- **https://github.com/lnishan/cheat-sheet**
- **https://www.challenge.gov/login/**
- **https://github.com/lucasviola/competitive-programming-resources**
- **https://discuss.leetcode.com/category/12/median-of-two-sorted-arrays?sort=votes**
- **https://www.topcoder.com/getting-started/**
- **https://github.com/miguelarauj1o/GoogleCalendarQuickStart**
- **https://github.com/miguelarauj1o/URI**
- **https://www.commonlounge.com/community/cc63cd88d6644ce99cfb1af8b0e1350f**
- **http://it-edu.mipt.ru/en/fall_training_2016**
- **http://it-edu.mipt.ru/en/spring_training_2016**
- **http://codeforces.com/blog/entry/16245**
- **http://codeforces.com/blog/entry/10480**
- **https://www.hackerearth.com/practice/notes/trending/**
- **https://github.com/marioyc/Online-Judge-Solutions/tree/master/Timus%20Online%20Judge**
- **https://github.com/palcu/algo**
- **https://code.google.com/codejam/contests.html**
- **https://github.com/pathikrit/Quora-Challenges**
- **https://en.wikipedia.org/wiki/Petr_Mitrichev**
- **https://github.com/phishman3579/java-algorithms-implementation**
- **https://github.com/prakhar1989/Algorithms**
- **https://github.com/prakharcode/Algo_Ds_Notes**
- **http://acm.timus.ru/problemset.aspx**
- **https://leetcode.com/problemset/algorithms/#**
- **http://www.programming-challenges.com/pg.php?page=index**
- **https://www.quora.com/challenges**
- **https://www.hackerearth.com/challenges/**
- **https://www.codechef.com/#**
- **http://codeforces.com/blog/entry/11437**
- **http://www.programmr.com/**
- **http://psyho.gg/**
- **https://github.com/ramswaroop/Algorithms-and-Data-Structures-in-Java**
- **https://github.com/raywenderlich/swift-algorithm-club**
- **https://github.com/yogi2442/repo/tree/master/spoj**
- **https://github.com/rodrigoalvesvieira/competitive-programming**
- **https://github.com/RunestoneInteractive/pythonds**
- **https://discuss.leetcode.com/topic/30746/share-some-analysis-and-explanations**
- **https://www.hacking-lab.com/user/login/index.html**
- **https://www.quora.com/topic/Software-Engineering**
- **https://www.hackerrank.com/domains**
- **http://www.spoj.com/problems/classical/**
- **http://www.spoj.com/users/tourist/**
- **http://www.sgi.com/tech/stl/**
- **https://www.commonlounge.com/community/668b60793e4747be9978ed3ec7f1a9b4**
- **https://github.com/suuuzi/Competitive-Programming**
- **https://github.com/tayllan/awesome-algorithms**
- **https://www.commonlounge.com/community/447e8e3a307a447eb922ff7a965e9d97**
- **https://icpc.baylor.edu/**
- **http://www.ahmedshamsularefin.id.au/acm-icpc/**
- **http://www.ioccc.org/**
- **http://www.pythonchallenge.com/**
- **http://www3.cs.stonybrook.edu/~algorith/**
- **https://code.tutsplus.com/tutorials/the-wordpress-settings-api-part-1-what-it-is-why-it-matters--wp-24060**
- **http://acm.timus.ru/**
- **http://acm.tju.edu.cn/toj/**
- **https://www.quora.com/topic/TopCoder**
- **https://community.topcoder.com/tc?module=ProblemArchive&sr=&er=&sc=&sd=&class=&cat=&div1l=&div2l=1&mind1s=&mind2s=&maxd1s=&maxd2s=&wr=**
- **https://www.topcoder.com/members/tourist/**
- **http://www.trythis0ne.com/**
- **https://github.com/turingschool/data_structures_and_algorithms**
- **https://www.commonlounge.com/community/6c080f4866bf489598b7883253144985**
- **https://codesays.com/unofficial-solutions-to-the-problems-by-leetcode/**
- **https://www.urionlinejudge.com.br/judge/en/login**
- **https://github.com/miguelarauj1o/URI/tree/master/src**
- **https://uva.onlinejudge.org/index.php?option=com_comprofiler**
- **https://www.quora.com/What-are-some-good-blogs-for-learning-algorithms-and-competitive-programming-techniques**
- **https://www.quora.com/What-are-some-good-resources-to-learn-C++-for-competitive-programming**
- **https://www.quora.com/What-are-some-of-the-best-websites-to-learn-competitive-coding**
- **https://www.quora.com/What-are-some-of-the-most-useful-blogs-for-competitive-programming**
- **https://www.quora.com/What-are-some-top-competitive-programming-blogs**
- **https://www.quora.com/What-are-the-best-resources-for-competitive-programming-in-Python**
- **https://www.quora.com/What-are-the-best-resources-for-learning-coding-for-competitive-programming-contests**
- **https://www.quora.com/What-does-it-take-to-go-to-the-ACM-ICPC**
- **https://www.quora.com/What-have-you-gained-from-competitive-programming**
- **https://www.quora.com/What-is-an-API-application-programming-interface-and-how-do-I-create-one**
- **https://www.quora.com/What-is-best-approach-for-competitive-programming**
- **https://www.quora.com/What-is-the-best-blog-on-competitive-programming**
- **https://www.quora.com/What-is-the-best-competitive-programming-reference-to-bring-to-a-competition**
- **https://www.quora.com/What-is-the-best-resource-to-learn-Java-for-competitive-programming**
- **https://www.quora.com/What-is-the-best-strategy-to-improve-my-skills-in-competitive-programming-in-2-3-months**
- **https://www.quora.com/What-is-the-best-way-to-become-a-software-developer-in-the-developing-world**
- **https://www.quora.com/What-is-the-best-way-to-prepare-for-ACM-ICPC-2016-17**
- **http://androidadvices.com/why-and-how-to-downgrade-from-marshmallow-6-0-to-lollipop-5-1-1-guide/**
- **https://web.archive.org/web/20080913154125/http://www.comp.nus.edu.sg:80/~stevenha/programming/acmoj.html**
- **https://github.com/xtaci/algorithms**
- **https://www.hackerearth.com/sprints/redislabs-hackathon-global/**
- **http://qa.geeksforgeeks.org/hot**
- **http://qa.geeksforgeeks.org/questions**
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- **https://www.hackerearth.com/practice/codemonk/**
- **https://www.topcoder.com/community/data-science/data-science-tutorials/**
- **http://e-maxx-eng.appspot.com/**
- **http://wcipeg.com/wiki/Special:AllPages**
- **https://github.com/jaehyunp/stanfordacm**
- **https://visualgo.net/**
- **https://www.hackerrank.com/calendar**
- **http://www.cs.princeton.edu/~wayne/kleinberg-tardos/**
- **https://atcoder.jp/**
- **https://atcoder.jp/contest**
- **https://github.com/sindresorhus/awesome**
- **http://codeforces.com/blog/entry/3273**
- **https://www3.ntu.edu.sg/home/ehchua/programming/howto/CodeBlocks_HowTo.html**
- **https://www3.ntu.edu.sg/home/ehchua/programming/howto/Cygwin_HowTo.html#mingw**
- **http://www.havenondemand.com/**
- **https://dev.havenondemand.com/apis**
- **http://www.commonlounge.com/discussion/a0a6977f9b8d45399afcad2d01193398**
- **http://www.spoj.com/problems/classical/sort=6**
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- **https://www.youtube.com/geeksforgeeksvideos**
- **http://codeforces.com/blog/entry/8387**
- **https://github.com/stjepang/snippets**
- **http://codeforces.com/blog/entry/44190**
- ****
- **http://poj.org/userstatus?user_id=harrypotter0**
- **http://codeforces.com/gyms/**
- **https://arena.topcoder.com/#/u/dashboard**
- **http://mr-johal.com/get/476740/pledge-of-allegiance-prod-by-ty-james-lloyd-banks.html**
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- **http://r.recruit-jinji.jp/code_fes/us/index.html**
- **http://code-festival-2016-qualc.contest.atcoder.jp/**
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- **https://atcoder.jp/contest?categories=&mode=button**
- **http://usaco.org/index.php?page=contests**
- **https://www.techgig.com/practice**
- **http://usaco.org/index.php?page=viewproblem2&cpid=641**
- **https://www.hackerearth.com/practice/**
- **https://discuss.codechef.com/questions/?sort=mostvoted**
- **https://blog.codechef.com/**
- **https://www.codechef.com/getting-started**
- **http://www.spoj.com/contests/**
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- **http://cpptruths.blogspot.in/**
- **http://www.infopulse.com/blog/timsort-sorting-algorithm/**
- **https://codingforspeed.com/**
- ****_- — _1. harrypotter0

Rev.	By	When	Δ	Comment
en8	harrypotter0	2016-10-23 07:58:13	632
en7	harrypotter0	2016-10-23 07:57:44	1093
en6	harrypotter0	2016-10-23 07:20:11	23627
en5	harrypotter0	2016-10-23 07:15:49	28124	Reverted to en1
en4	harrypotter0	2016-10-23 07:14:53	39
en3	harrypotter0	2016-10-23 07:12:43	28245
en2	harrypotter0	2016-10-19 21:50:26	138
en1	harrypotter0	2016-10-19 21:43:30	4584	Initial revision (published)

History