88. Implement Stack Using Array with Push and Pop Operations

#include <stdio.h>
#include <stdint.h>
#include <string.h>

#define MAX 10

void process_stack(int n) {
     int stack[MAX];
     int top=-1;

     char cmd[10];
     int val;

     for(int i=0;i<n;i++){
        scanf("%s",cmd);
        if(strcmp(cmd, "push")==0){
            scanf("%d",&val);
            if(top>=MAX-1){
                printf("Stack Overflow\n");
            }
            else{
                stack[++top]=val;
            }
        }
            else if(strcmp(cmd, "pop")==0){
                if(top==-1){
                    printf("Stack Underflow\n");
                }else{
                    printf("%d\n",stack[top--]);
                }
            }
        }
     }


int main() {
    int n;
    scanf("%d", &n);
    getchar(); // Consume newline after number

    process_stack(n);
    return 0;
}