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 stack[MAX];
    int top = -1; // Initialize stack as empty

    for (int i = 0; i < n; i++) {
        char operation[10];
        scanf("%s", operation);

        if (strcmp(operation, "push") == 0) {
            int x;
            scanf("%d", &x);
            if (top < MAX - 1) {
                stack[++top] = x; // Push x onto the stack
            } else {
                printf("Stack Overflow\n");
            }
        } else if (strcmp(operation, "pop") == 0) {
            if (top >= 0) {
                printf("%d\n", stack[top--]); // Pop and print the top value
            } else {
                printf("Stack Underflow\n");
            }
        }
    }
}

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

    process_stack(n);
    return 0;
}