Differentiate bfs and dfs?
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No. of possible ordered trees with n nodes ? Please give formula (if any).
What is the minimization factor and time complexity of b-tree?
Who invented data structure?
Who created quicksort?
Can we remove element from arraylist while iterating?
What does stack top do?
Mention a few applications of linked lists?
What are the 3 types of variables?
Is bucket sort stable?
What is collections singletonmap?
Write the importance of hashing?
What differences exist between hashmap and hashtable?