How to create a mergeable stack?
Let’s assume there are 2 stacks. Stack A and Stack B. Now we are going to push elements in both the stacks. After Merge Operation we will push all elements...
How to efficiently implement K Stacks in a single Array?
Our task is to Implement K stacks that should use only one array. The K stacks must support these functions push(int x, int sn): pushes element x to stack number...
Design a Stack with operations on Middle element
Brief about Stack Data structure: A stack is a linear data structure that follows the principle of Last In First Out (LIFO). This means the last element inserted inside the...
Time complexity of building a heap
As we know the [Heap data structure](https://www.prepbytes.com/blog/heap/applications-of-heap-data-structures/ "Heap data structure") fulfills two properties, the first is of complete binary tree and the second is a heap order property. The complete...
Heap overflow and Stack overflow
The computer’s RAM has a few sections in it. Two of them are [heap](https://www.prepbytes.com/blog/heap/heap-operations/ "heap") and stack. Both heap and stack store variables. Let's see about Heap and Stack briefly:-...