To Implement Stack Using Array Program using C | Data Structures Programs

//Program for Stack implementation through Array #include //#include #define MAXSIZE 5 int stack[MAXSIZE]; int top=0; //index pointing to the top of stack void main() { void push(); void pop(); void display(); int will=1,i; clrscr(); while(1) { printf("\n\n\nMAIN MENU:\n\n1.PUSH\n2.POP\n3.EXIT\n\nENTER YOUR CHOICE: "); scanf("%d",&will); switch(will) { case 1: push(); display(); break; case 2: pop(); display(); break; case 3: exit(0); break; default: printf("Invalid Choice . "); } } //end of outer while } //end of main void push() { int num; if(top>=MAXSIZE) { printf("\nSTACK FULL"); return; } else { if(top<0) top=0; printf("\n\nENTER THE STACK ELEMENT : "); scanf("%d",&num); stack[top++]=num; } } void pop() { if(top>=0) top--; } void display() { int i; if(top<=0) printf("\n\nSTACK EMPTY"); else for(i=top-1;i>=0;i--) { printf("\n\n%d ",stack[i]); if(i==(top-1)) printf("---->TOP"); } }

SAMPLE INPUT OUTPUT:

MAIN MENU :

1.PUSH
2.POP
3.EXIT

ENTER YOUR CHOICE : 1

ENTER THE STACK ELEMENT : 10

10 ---->TOP

MAIN MENU :

1.PUSH
2.POP
3.EXIT

ENTER YOUR CHOICE : 1

ENTER THE STACK ELEMENT : 20

20 ---->TOP

MAIN MENU :

1.PUSH
2.POP
3.EXIT

ENTER YOUR CHOICE : 1

ENTER THE STACK ELEMENT : 30

STACK FULL

30 ---->TOP

MAIN MENU :

1.PUSH
2.POP
3.EXIT

ENTER YOUR CHOICE : 2

20 ---->TOP

MAIN MENU :

1.PUSH
2.POP
3.EXIT

ENTER YOUR CHOICE : 2

10 ---->TOP

MAIN MENU :

1.PUSH
2.POP
3.EXIT

ENTER YOUR CHOICE : 1

STACK EMPTY

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