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) {
    // Your logic here
    int data[MAX];
    int top  = -1;

    char cmd[10];
    int val;

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

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

    process_stack(n);
    return 0;
}