What is insertion and deletion in stack?

Insertion and Deletion in stack can only be done from top only. Insertion in stack is also known as a PUSH operation. Deletion from stack is also known as POP operation in stack. Stack implementation using array.
For More Information Please Refer:
https://www.includehelp.com/data-structure-tutorial/stack-using-c-and-cpp-data-structure-tutorial.aspx
You May Also Like to Read: