To perform recursion the data structure 'stack' is used. Stack has LIFO(Last in First out) property and it remember it's 'caller'. Therefore, when the function has to return it knows to whom it...
Treaps are randomized binary search trees -- they bring more balance to the tree as items are inserted to or deleted from it, since the balancing depends on a randomly generated priority instead of...
we can use stack internally in every program,but the disadvantage of stack is we cant resize,no searching,takes more memory means we create memory statically.