![]() Printf("Last popped item : %dn", stackItem) ĭefault: printf("Please enter correct choice : ") Switch Case to do the user specified task Printf("Enter `5` for Quit Operation n") Printf("Enter `4` for Traverse Operation n") Printf("Enter `3` for atTop Operation n") Printf("Enter `1` for Push Operation n") Always true While loop for continue iteration ![]() Stack Program in C using Array /*Stack implementation using static array*/ Stack is used for DFS (Depth First Search)Ī stack can be implemented in C language using:ġ.The stack is also used for evaluating an expression.Used for function calls as stack follows A LIFO approach.Back/Forward on various browsers are done using stacks approach.Similarly, If you need to take out the plate at the bottom of the pile, you must remove all the plates on top of it to reach it therefore, FILO approach will be applied here as the plate inserted first will be taken out at last. But this is precisely the plate that was added most recently on top of the pile therefore LIFO approach is applied here as the plate inserted at last is taken out first. Stack works on LIFO/FILO approach that means the element pushed first in the stack will be popped last will acquire top position in the stack and will pop first.įor example, a stack is the pile of dinner plates in your Kitchen: When you take out a plate from the pile, you take the plate on the top of the pile. Stack Underflow: It is a condition that happens when we try to pop an element from an empty stackĪ stack is a limited access data structure because push (addition) and pop (deletion) occur only at one end of the structure known as the top of the stack. Push adds an item to the top of the stack, pop removes the item from the top.Stack Overflow: It is a condition that happens when we try to push more elements into the already saturated stack.Traverse: This operation process all the elements present in stack exactly once.atTop: It returns the top element present in the stack.isEmpty: checks whether the stack is empty or not. ![]() Some Other Important Stack Operations are
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