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 head =-1;

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

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

    process_stack(n);
    return 0;
}