
| Contest | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 
|---|---|---|---|---|---|---|---|---|
| Worldwide High School and Collegiate Onsites: | ||||||||
| IOI | 202 | ICPC World Finals | - | - | 11 | 17 | TopCoder Collegiate Challenge Algorithm | - | - | - | - | - | - | top‑24 | 
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 16 Apr 2004 | TCCC 2004 Algorithm | 14 
  
  semifinalist (top‑24)
 
  Ranked 5
  
  in Semifinal 3
  
   | 186.68 | |
| 07 Dec 1997 | IOI 1997 | 202 
  
  202
 | 27/600 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 23 Mar 2002 | ACM-ICPC 2002 World Finals | 11 
  
  11
 | KTH - Royal Institute of Technology 
  
  (Nada - Balloons'R'us):
   | 5/9 | |
| 25 Mar 2003 | ACM-ICPC 2003 World Finals | 17 
  
  17
 | KTH - Royal Institute of Technology 
  
  (Balloons 'R' Us):
   | 6/10 |