#include<stdio.h> #include<stdlib.h>
#define size 3
int stack[size]; int top=-1;
void push() { int x; printf("Enter data\n"); scanf("%d",&x); if(top==size-1) {printf("Overflow condition\n");} else {top++; stack[top]=x; } } void pop() { int y; if(top==-1) {printf("Stack underflow\n"); } else {y=stack[top]; top--; printf("%d",y); } printf("successfully popped\n"); } void display() {int i; for(i=top;i>=0;i--) {printf("%d",stack[i]); } }
int main() { int ch; do { printf("Enter choice:1 for push; 2:pop; 3:display "); scanf("%d",&ch); switch(ch) { case 1: push(); break; case 2: pop(); break; case 3: display(); break; default: printf("Invalid choice"); } } while(ch!=0); return 0; }