Oct. 2007 Best paper award, 21st ACM Symposium on Operating Systems Principles
Oct. 2005 On-site finalist in Google Code Jam 2005 - Mountain View, CA
Mar. 2005 On-site Finalist in TopCoder Collegiate Challenge - Algorithm Competition - Santa Clara, CA
Oct. 2004 On-site finalist (11th place) in Google Code Jam 2004 - Mountain View, CA
Nov. 2003 1st Place in ACM Regional Collegiate Programming Contest - Greater New York Region
Mar. 2003 Silver medal (5th place) & Asian Champion in ACM International Collegiate Programming Contest World Finals (ACM-ICPC) - L.A., CA
Oct. 1999 Silver Medal in 11th International Olympiad in Informatics (IOI) - Antalya, Turkey
Aug. 1998 Gold Medal (1st Place) in National Olympiad in Informatics (NOI) - Hangzhou, China
Aug. 1997 Gold Medal (5th Place) in National Olympiad in Informatics (NOI) - Hongkong, China