Is queue fifo or lifo?
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Differentiate bfs and dfs?
How do you sort an arraylist?
What is default array size?
How can I learn data structures?
How many parts are there in a declaration statement?
What are the applications of priority queues?
Why insertion is faster in linked list?
Can map contain duplicate keys?
an array of size N in which every number is between 1 and N, determine if there are any duplicates in it. You are allowed to destroy the array if you like. [ I ended up giving about 4 or 5 different solutions for this, each supposedly better than the others ].
What is time complexity of binary search?
Is quicksort faster than merge sort?
What is Insertion sort, selection sort, bubble sort( basic differences among the functionality of the three sorts and not the exact algorithms)?