
| Contest | 2002 | 2003 | 2004 | 2005 | 
|---|---|---|---|---|
| Worldwide High School and Collegiate Onsites: | ||||
| IOI | ICPC World Finals | 14 | TopCoder Collegiate Challenge Algorithm | - | top‑24 | 
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 11 Mar 2005 | TCCC 2005 Algorithm | 14 
  
  semifinalist (top‑24)
 
  Ranked 5
  
  in Semifinal 3
  
   | 231.08 | $400 | 
| 25 Aug 2002 | IOI 2002 | 34 | 272/600 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 25 Mar 2003 | ACM-ICPC 2003 World Finals | 14 
  
  14
 | California Institute of Technology 
  
  (Beavers):
   | 6/10 | North America Champion | 
| 31 Mar 2004 | ACM-ICPC 2004 World Finals | 7 | California Institute of Technology 
  
  (Beavers):
   | 5/10 |