- ACM(7)
- High School(5)
- Personal Pages(1)
- ad MacHack
- machack.com
- Annual Macintosh programming contest and convention.
- TopCoder
- www.topcoder.com
- Online computer programming competitions in the Java, C++, and C# languages. Competitions take place twice a week, and members can win from $25-$300. Major tournaments have a prize purse of $250,000.
4.4
(1)
>2930
>10
6
- Project Euler
- projecteuler.net
- A series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
4.4
(si*)
>3390
>3980
6
- Sphere Online Judge
- www.spoj.com
- Problemset archive, online judge and contest hosting service accepting solutions in C, C++, Pascal, Java and other languages.
4.3
(si*)
>1300
<5
5
- The International Obfuscated C Code Contest
- www.ioccc.org
- A contest to write the most obscure/obfuscated C program.
4.2
(si*)
>1990
>130
5
- Internet Problem Solving Contest
- ipsc.ksp.sk
- Online programming contest for teams, open to anyone.
4.0
(si*)
>1210
>110
5
- Challenge24
- www.ch24.org
- Annual 24-hour contest hosted by Budapest University of Technology and Economics. The contest is open to a limited number of international teams of 3 people via an internet qualifying round.
4.0
(si*)
>1080
>90
5
- International InfoMATRIX Computer Project Competition
- www.infomatrix.ro
- Participants have to create a project for any of the categories (Programming, Design and Use of Computer, Desktop Publishing, Computer Art) First of all, each school must select one representant.
3.9
(si*)
>850
-
5
- The Robot World Cup Initiative
- www.robocup.org
- Soccer playing computers.
3.8
(si*)
>820
-
3
- ICFP Functional Programming Contest
- icfpcontest.org
- An annual contest sponsored by the International Conference on Functional Programming provides links to the current and prior organizing academic college departments.
3.8
(si*)
>360
>200
5
- JRobots
- jrobots.sourceforge.net
- Java-based Robots Programming challenge.
3.8
(si*)
<10
-
3
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