How do you get max element in stack?

How do you get max element in stack?

Now to compute the maximum of the main stack at any point, we can simply print the top element of Track stack.

1. Step by step explanation :
2. Step 1 : Push 4, Current max : 4.
3. Step 2 : Push 2, Current max : 4.
4. Step 3 : Push 14, Current max : 14.
5. Step 4 : Push 1, Current max : 14.
6. Step 5 : Push 18, Current max : 18.

How do you find an element in a stack?

Stack.search(Object element) method in Java is used to search for an element in the stack and get its distance from the top. This method starts the count of the position from 1 and not from 0. The element that is on the top of the stack is considered to be at position 1.

What is the minimum number of queues required for priority queue implementation?

2 queues. one is used for storing data… another is used for priorities. Priority queues r applied using 2-D array where it has two rows one for element and second for priority ,so minimum numbers of queues are needed to implement are two.

How do you find the minimum element of a stack?

Example: Consider the following SpecialStack 16 –> TOP 15 29 19 18 When getMin() is called it should return 15, which is the minimum element in the current stack. If we do pop two times on stack, the stack becomes 29 –> TOP 19 18 When getMin() is called, it should return 18 which is the minimum in the current stack.

How do you find the smallest element in a stack?

Get Minimum Element From Stack in O(1)

1. push(x) — Push element x onto stack.
2. pop() — Removes the element on top of the stack.
3. top() — Get the top element.
4. getMin() — Retrieve the minimum element in the stack.

How to get the maximum element in HackerRank?

1 x -Push the element x into the stack. 2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. Complete the getMax function in the editor below. The first line of input contains an integer, . The next lines each contain an above mentioned query. All queries are valid.

How to solve the HackerRank stack problem in Java?

Each query is one of these three types: 1 x -Push the element x into the stack. 2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. The first line of input contains an integer, N. The next N lines each contain an above mentioned query.

How to find the maximum element in the stack?

2 -Delete the element present at the top of the stack. 3 -Print the maximum element in the stack. The first line of input contains an integer, N. The next N lines each contain an above mentioned query. (It is guaranteed that each query is valid.) For each type 3 query, print the maximum element in the stack on a new line.

Is there a solution to the maximum element problem?

Posting a Java solution, that has O (1) access to get the maximum value in the stack. here is problem solution in java python c++ c and javascript programming. https://programs.programmingoneonone.com/2021/05/hackerrank-maximum-element-solution.html