
| Contest | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 
|---|---|---|---|---|---|---|
| Major Individual Competitions: | ||||||
| TopCoder Open Algorithm | top‑72 | Google Code Jam | - | 13 | 23 | Facebook Hacker Cup | - | - | - | - | - | Yandex.Algorithm | - | - | - | - | - | Q | 
| Worldwide High School and Collegiate Onsites: | ||||||
| IOI | ICPC World Finals | 43 | 17 | |||
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 20 Aug 2006 | IOI 2006 | 44 | 353/600 | |
| 15 Jul 2011 | Yandex.Algorithm 2011 | 100000011 
  
  qualified
 
  Ranked 11
  
  in Round 2
  
   | ||
| 12 Mar 2011 | Facebook Hacker Cup 2011 | 2 | 200/300 | $2000 | 
| 13 Nov 2009 | Google Code Jam 2009 | 13 
  
  13
 | 45/200 | $100 | 
| 30 Jul 2010 | Google Code Jam 2010 | 23 
  
  23
 | 14/200 | $100 | 
| 15 May 2008 | Topcoder Open 2008 Algorithm | 65 
  
  semifinalist (top‑72)
 
  Ranked 22
  
  in Semifinal 1
  
   | 154.31 | $500 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 09 Apr 2008 | ACM-ICPC 2008 World Finals | 43 
  
  43
 | Nanyang Technological University 
  
  (Nanyang TU baX):
   | 4/11 | $300 | 
| 30 May 2011 | ACM-ICPC 2011 World Finals | 17 
  
  17
 | Nanyang Technological University 
  
  (NTU Pigeons):
   | 6/11 |