mycodeschool · July 8, 2024 06:46 · atharva-mishra · Feb 3, 2019 · uday966666 · Mar 15, 2019
diff --git a/Stack_ArrayImplementation.C b/Stack_ArrayImplementation.C
 // Stack - Array based implementation. 
 // Creating a stack of integers. 
 #include<stdio.h>

 #define MAX_SIZE 101

 int A[MAX_SIZE]; // integer array to store the stack 
 int top = -1;  // variable to mark top of stack in array

 // Push operation to insert an element on top of stack. 
 void Push(int x) 
 {
  if(top == MAX_SIZE -1) { // overflow case. 
 		printf("Error: stack overflow\n");
 		return;
 	}
 	A[++top] = x;
 }

 // Pop operation to remove an element from top of stack.
 void Pop() 
 {
 	if(top == -1) { // If stack is empty, pop should throw error. 
 		printf("Error: No element to pop\n");
 		return;
 	}
 	top--;
 }

 // Top operation to return element at top of stack. 
 int Top() 
 {
 	return A[top];
 }

 // This function will return 1 (true) if stack is empty, 0 (false) otherwise
 int IsEmpty()
 {
    if(top == -1) return 1;
    return 0;
 }

 // This function is just to test the implementation of stack. 
 // This will print all the elements in the stack at any stage. 
 void Print() {
 	int i;
 	printf("Stack: ");
 	for(i = 0;i<=top;i++)
 		printf("%d ",A[i]);
 	printf("\n");
 }

 int main() {	
  // Code to test the implementation. 
  // calling Print() after each push or pop to see the state of stack. 
 	Push(2);Print();
 	Push(5);Print();
 	Push(10);Print();
 	Pop();Print();
 	Push(12);Print();
 }
	// Stack - Array based implementation.
	// Creating a stack of integers.
	#include<stdio.h>

	#define MAX_SIZE 101

	int A[MAX_SIZE]; // integer array to store the stack
	int top = -1; // variable to mark top of stack in array

	// Push operation to insert an element on top of stack.
	void Push(int x)
	{
	if(top == MAX_SIZE -1) { // overflow case.
	printf("Error: stack overflow\n");
	return;
	}
	A[++top] = x;
	}

	// Pop operation to remove an element from top of stack.
	void Pop()
	{
	if(top == -1) { // If stack is empty, pop should throw error.
	printf("Error: No element to pop\n");
	return;
	}
	top--;
	}

	// Top operation to return element at top of stack.
	int Top()
	{
	return A[top];
	}

	// This function will return 1 (true) if stack is empty, 0 (false) otherwise
	int IsEmpty()
	{
	if(top == -1) return 1;
	return 0;
	}

	// This function is just to test the implementation of stack.
	// This will print all the elements in the stack at any stage.
	void Print() {
	int i;
	printf("Stack: ");
	for(i = 0;i<=top;i++)
	printf("%d ",A[i]);
	printf("\n");
	}

	int main() {
	// Code to test the implementation.
	// calling Print() after each push or pop to see the state of stack.
	Push(2);Print();
	Push(5);Print();
	Push(10);Print();
	Pop();Print();
	Push(12);Print();
	}