Gonitzoggo
β
Problems
Contests
Leaderboard
Community
Login
দাবা নিয়ে দাবাদাবি
English
বাংলা
How many rectangles are there in a fair chessboard?
Counting
2 Upvotes
1 Downvotes
Statistics
Attempt
1356
Solve
1047
First Solve
wasimur
Login To Submit