Given a binary tree, which is not necessarily balanced, print the nodes in the tree in a level-wise manner. Also, nodes on the same level should be printed on a single line. A modification of the question was added later in which I cannot really add a "level" variable in the structure of the node in the tree.
You have words separated by white spaces. You need to reverse their order in place.
Reverse a string of words "Hi I am John" as "John am I Hi" without using array functions like split , reverse or join?
Use objective-c write code to return the first repeated integer from a given array, with O(n) time
copy ctor, operator overloading, oops concepts, puzzles, data structures.
In Round 1, Questions were like merge two Strings in alternating manner, one question on pattern matching of 50 marks.
Write an algorithm to verify if a tree is a binary search tree.
Create a data structure that minimizes time complexity of retrieving median and inserting new element. Getting median should be O(1) and insertion should be O(log(n)).
1. Given a string, find the smallest window with greatest no. of distinct characters 2. k sorted array. 3. longest distance between a node and its ancestor.
Divide two numbers without using / or % and return quotient.
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