
| Contest | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 
|---|---|---|---|---|---|---|
| Major Individual Competitions: | ||||||
| TopCoder Open Algorithm | 6 | 18 | top‑48 | Google Code Jam | 19 | 27 | 43 | - | 61 | 
| Worldwide High School and Collegiate Onsites: | ||||||
| ICPC World Finals | TopCoder Collegiate Challenge Algorithm | top‑24 | - | |||
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 16 Apr 2004 | TCCC 2004 Algorithm | 20 
  
  semifinalist (top‑24)
 
  Ranked 7 - 8
  
  in Semifinal 2
  
   | 0 | |
| 14 Nov 2003 | Google Code Jam 2003 | 19 
  
  19
 | 134.76 | $250 | 
| 15 Oct 2004 | Google Code Jam 2004 | 27 
  
  27
 | 359.79 | $511 | 
| 27 Oct 2006 | Google Code Jam 2006 | 43 
  
  43
 | 226.70 | $1000 | 
| 14 Nov 2008 | Google Code Jam 2008 | 61 
  
  61
 | 29/100 | $500 | 
| 12 Nov 2004 | TopCoder Open 2004 Algorithm | 6 
  
  6
 
  Ranked 3
  
  in Wildcard
  
   | 214.42 | $500 | 
| 14 Oct 2005 | Topcoder Open 2005 Algorithm | 18 
  
  18
 
  Ranked 12
  
  in Wildcard
  
   | -50 | $500 | 
| 05 May 2006 | Topcoder Open 2006 Algorithm | 38 
  
  semifinalist (top‑48)
 
  Ranked 13
  
  in Semifinal 3
  
   | 50 | $500 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 12 Apr 2006 | ACM-ICPC 2006 World Finals | 8 | Massachusetts Institute of Technology 
  
  (MIT Beavers):
   | 5/10 |  North America Champion | 
| 15 Mar 2007 | ACM-ICPC 2007 World Finals | 4 | Massachusetts Institute of Technology 
  
  (Beavers):
   | 6/10 |  North America Champion   $3300 |