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# Median of Stream of Running Integers using STL

Given that integers are being read from a data stream. Find median of all the elements read so far starting from the first integer till the last integer. This is also...

# Median in a stream of integers (running integers)

Given that integers are read from a data stream. Find median of elements read so for in efficient way. For simplicity assume there are no duplicates. For example, let...

# Clone a linked list with next and random pointer Set 1

You are given a Double Link List with one pointer of each node pointing to the next node just like in a single link list. The second pointer however CAN point to any ...

# Swap Kth node from beginning with Kth node from end in a Linked List

Given a singly linked list, swap kth node from beginning with kth node from end. Swapping of data is not allowed, only pointers should be changed. This requirement m...

# Print a given matrix in spiral form

Given a 2D array, print it in spiral form. See the following examples. Examples: Input: 1 2 3 4 5 6 7 8 9 10 11 12 ...

# Level order traversal line by line Set 2 (Using Two Queues)

Given a Binary Tree, print the nodes level wise, each level on a new line. Output: 1 2 3 4 5 Recommended: Please solve it on &#x201C;PRACTICE&#x201D; first, before...