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;

    for(int i=0; i<n; i++){
        char command[10];
        scanf("%s", command);
        if(strcmp(command,"push") == 0 ){
            int val;
            scanf("%d", &val);
            if (top >= MAX - 1) {
                printf("Stack Overflow\n");
            } else {
                top++;
                stack[top] = val;
            }
        } 
        else if (strcmp(command, "pop") == 0) {
            if (top == -1) {
                printf("Stack Underflow\n");
            } else {
                printf("%d\n", stack[top]);
                top--;
            }
        }
    }
}

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

    process_stack(n);
    return 0;
}