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 buffer[MAX];
    int top = -1;
    char str[10];
    int value;

    for(int i = 0; i < n; i++){
        scanf("%s",&str);

        if(strcmp(str,"push") == 0){
            scanf("%d",&value);

            if(top >= MAX - 1){
                printf("Stack Overflow\n");
            }
            else{
                top++;              
                buffer[top] = value;
            }
        }
            
        else if(strcmp(str,"pop") == 0){
            scanf("%d",&value);

            if(top == -1){
                printf("Stack Underflow\n");
            }
            else{
                printf("%d\n", buffer[top]);
                top--;              
            }
        }
    }
}

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

    process_stack(n);
    return 0;
}