Gonitzoggo
β
Problems
Contests
Leaderboard
Community
Login
সাতের ভাগশেষ
English
বাংলা
At least how many numbers are needed to be taken to be sure that there are at least $11$ numbers among these numbers where the difference between any two is divisible by $7$?
Basic
Counting
Number Theory
BdMO
0 Upvote
0 Downvote
Statistics
Attempt
594
Solve
299
First Solve
Aminul_Islam
Login To Submit