
| Contest | 2004 | 2005 | 2006 | 2007 | 
|---|---|---|---|---|
| Major Individual Competitions: | ||||
| TopCoder Open Algorithm | top‑48 | |||
| Worldwide High School and Collegiate Onsites: | ||||
| ICPC World Finals | ||||
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 29 Jun 2007 | Topcoder Open 2007 Algorithm | 41 
  
  semifinalist (top‑48)
 
  Ranked 14
  
  in Semifinal 1
  
   | 175.98 | $400 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 31 Mar 2004 | ACM-ICPC 2004 World Finals | 2 | KTH - Royal Institute of Technology 
  
  (Three-headed monkey):
   | 6/10 | |
| 06 Apr 2005 | ACM-ICPC 2005 World Finals | 7 | KTH - Royal Institute of Technology 
  
  (KTH - Three-Headed Monkey):
   | 6/8 |