What are the properties of binary tree?
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What is an recursive algorithm?
Why hashmap is faster than hashset?
an array t[100] which contains numbers between 1..99. Return the duplicated value. Try both O(n) and O(n-square).
Suppose in an integer array, there is 1 to 100 number, out of one is duplicate, how to find?
Which is better hashmap or hashtable?
How is any data structure application is classified among files?
Find duplicates in infinite range. Which data structure to be used to give efficient solution?
Explain heapsort. What is its complexity?
Explain linear linked implementation of Stack and Queue?
How do you make a bubble chart with 3 variables?
Are the expressions arr and &arr same for an array of integers?
Explain the Queue