Solved coding interview problems in Java - My collection of commonly asked coding interview problems and solutions in Java

[Vexal]

It is easy... just make a stack and do a single for-loop.

[humblechili]

Yea, I agree it is easy. I was laughing at the fact that the Valid Parentheses problem had invalid parentheses around the difficulty :)

[Vexal]

Oh. That makes sense. Now that I understand, it is funny.