http://www.perlmonks.org?node_id=11104679


in reply to Re^2: The error says the value is uninitialized, but it works anyway
in thread The error says the value is uninitialized, but it works anyway

I think usage of i, j, k for indexes is older, FORmulaTRANslator is oriented towards mathematical notation.

However, in homework tasks for beginners, loop unrolling is less likely in the curriculum, and my guess is that it's all about that bass nested loops. All the other solutions given so far won't work if @drop has more or less that two elements…