@kelvinlau

China

Joined Sep 2010

World Rank: #12705 (2.7 points)

Activity over the last year

Effectiveness

 Problems solved
15
 Solutions submitted
143

Problems

List of solved classical problems:

BISHOPS ORZ SUM1SEQ
CANDY PERMUT2
CIRUT QTREE
COINS QTREE2
GCDSQF QTREE4
GREED QTREE5
NQUEEN SUDOKU

TODO list of classical problems:

POLYGAME
PRIME1