alalex

This problem requires a ful prove:

There are three cities, randomly displayed wherever you want. Find a point from which the sum of the distances is the smallest possible.

If someone gets it, I will donate 4 FRI$

Here is a picture:

There are three cities, randomly displayed wherever you want. Find a point from which the sum of the distances is the smallest possible.

If someone gets it, I will donate 4 FRI$

Here is a picture: