
| Contest | 2007 | 2008 | 2009 | 2010 | 2011 | 
|---|---|---|---|---|---|
| Major Individual Competitions: | |||||
| TopCoder Open Algorithm | top‑72 | Google Code Jam | - | Q | |
| Worldwide High School and Collegiate Onsites: | |||||
| IOI | TopCoder High School | 25 | 4 | - | - | - | ICPC World Finals | 
| Date | Contest | Rank | Score | Prize | 
|---|---|---|---|---|
| 19 May 2007 | TCHS 2007 | 25 
  
  25
 | 244.15 | |
| 15 Mar 2008 | TCHS 2008 | 4 
  
  4
 | 685.54 | $2500 | 
| 23 Aug 2008 | IOI 2008 | 3 | 470/600 | |
| 14 Nov 2008 | Google Code Jam 2008 | 100000035 
  
  qualified
 
  Ranked 35
  
  in APAC Semifinal
  
   | ||
| 15 May 2008 | Topcoder Open 2008 Algorithm | 38 
  
  semifinalist (top‑72)
 
  Ranked 13
  
  in Semifinal 3
  
   | 218.42 | $500 | 
| Date | Contest | Rank | Team | Score | Prize | 
|---|---|---|---|---|---|
| 30 May 2011 | ACM-ICPC 2011 World Finals | 3 | Tsinghua University 
  
  (Dubhe):
   | 7/11 |  $8100 |