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BdMO Online Forum • View topic - China Girls MO 2016/6

## China Girls MO 2016/6

For discussing Olympiad Level Combinatorics problems

### China Girls MO 2016/6

Find the greatest positive integer $m$, such that one of the $4$ letters $\text{C, G, M, O}$ can be placed in each cell of a table with $m$ rows and $8$ columns, and has the following property: For any two distinct rows in the table, there exists at most one column, such that the entries of these two rows in such a column are the same letter.
I think we judge talent wrong. What do we see as talent? I think I have made the same mistake myself. We judge talent by the trophies on their showcases, the flamboyance the supremacy. We don't see things like determination, courage, discipline, temperament.

Thamim Zahin

Posts: 97
Joined: Wed Aug 03, 2016 5:42 pm