List the two important key points of depth first search?
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Which method will arrange the element of an array in alphabetical order?
What is difference between map and hashmap?
Give one example of right rotation.
I am given a sequential algorithm that does a routine search on an unordered list. N = 20. The probability that the value x does NOT appear in the list is exactly 60%, and the probability that x DOES appear is 40%. The 3 questions that I could not get were: A) What is the avg number of element comparisons performed when n = 20 and x does NOT appear in the List. (my answer was 20, is this correct?) B) What is the avg number of element comparisons peformed when n = 20 and x DOES appear in the list? C) What is the avg number of element comparisons performed when n = 20. This should be a single number answer they said.
Does treeset allow null values?
Can a tree be empty?
What does a bubble chart show?
Write the importance of hashing?
How would you check if a binary tree is BST or not ? Write a program.
Are hash tables ordered?
What is stack push?
What is the difference between binary tree and binary search tree?