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An ant is in a corner (the upper-left red point in the picture) of a tiled room and she wants to get to the diagonally opposite corner (bottom-right red point ...

I'm trying to solve this problem

I have read the grid walking section on combinatorics even though I cannot even get the result for the examples cases.

Can you ...

What is a divisor of a number \(N\)? We say that \(m\) is a divisor of \(N\), if there exists an integer \(k\) such that \( N = km \).

In general ...

A set consisting of simple and fun problems originally posed to 5th graders. If you liked this, don't forget ...

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