Keyu Gan's user avatar
Keyu Gan's user avatar
Keyu Gan's user avatar
Keyu Gan
  • Member for 7 years, 7 months
  • Last seen more than 1 year ago
19 votes
6 answers
1k views

Count the squares

13 votes
7 answers
756 views

Parking lot supervisor

8 votes
1 answer
285 views

Counting Gems on the Ground