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Interview Model Questions

Is it possible to find find the greatest and least value among the nodes in a given BST without using any extra variables?

A. No solution exist.

B. Solution need 2 extra variables

C. Solution exist without any extra variables

D. Solution need 1 extra variable

Is it possible to implement 2 stack in an array?

A. Only 1 stack can be implemented for the given condition

B. Stacks can not be implemented in array

C. 2 stacks can be implemented for the given condition.

D. 2 stacks can be implemented if the given condition is applied only for 1 stack.

Given two keys K1 & K2, write an algorithm to print all the elements between them with K1<=K2 in a BST.

A. Solution need 2 extra spaces

B. Linear solution is possible without using any extra space

C. No linear solution exist

D. Solution need 1 extra space

How many stacks are required to implement a Queue.

A. One

B. Two

C. Three

D. Two + one extra space.

How many numbers of addresses are usable for addressing in a Class C network?

A. 256

B. 255

C. 254

D. 258

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