GATE 2014 CS/IT DATA STRUCTURES | EXPRESSION TREE | The maximum possible value of the expression

GATE | GATE-CS-2014 Consider the expression tree shown. Each leaf represents a numerical value, which can either be 0 or 1. Over all possible choices of the values at the leaves, the maximum possible value of the expression represented by the tree is ___. GATE 2014 ARBITARY TREE EXPRESSION TREE AVL BST Gate cse Linked list Doubly linked list reverse Binary search trees AVL Binary trees Data Structures Data structures for gate