previous greater element

[Cgarg9]

For all elements of an array find the previous greater element. Implement using a stack. If no greater element exists then previous greater element is -1.

[danieldsouza13]

Hi I'd like to work on this, can you please assign this to be as a first time contributor

[danieldsouza13]

Is this completed?

[Cgarg9]

@danieldsouza13 assigned

[AmethystMac]

Hey, can I take this one if it's not done already?