
| Contest | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 
|---|---|---|---|---|---|---|---|---|---|---|
| Major Individual Competitions: | ||||||||||
| TopCoder Open Algorithm | - | - | - | top‑72 | 10 | Google Code Jam | - | - | - | 97 | 82 | - | 
| Worldwide High School and Collegiate Onsites: | ||||||||||
| IOI | ICPC World Finals | |||||||||
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 30 Sep 2000 | IOI 2000 | 28 | 527/700 | |
| 21 Jul 2001 | IOI 2001 | 12 | 420/600 | |
| 23 Sep 2005 | Google Code Jam 2005 | 97 
  
  97 - 100
 | -50 | $750 | 
| 27 Oct 2006 | Google Code Jam 2006 | 82 
  
  82
 | 56.89 | $750 | 
| 15 May 2008 | Topcoder Open 2008 Algorithm | 62 
  
  semifinalist (top‑72)
 
  Ranked 21
  
  in Semifinal 3
  
   | 170.70 | $500 | 
| 04 Jun 2009 | Topcoder Open 2009 Algorithm | 10 
  
  10
 | 381.80 | $100 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 25 Mar 2003 | ACM-ICPC 2003 World Finals | 4 | Comenius University 
  
  (Comenius):
   | 7/10 |