Implement Stack Using Array with Push and Pop Operations

Code

#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 = 0;
    for(int i=0;i<n;i++)
    { 
        char cmd[5];
        int value;
        scanf("%s %d",cmd,&value);
        if(strcmp(cmd,"push") == 0)
        {
            if(top >= MAX)
                printf("Stack Overflow\n");
            else
            {
                buffer[top] = value;
                top++;
            }
        }
        else if(strcmp(cmd,"pop") == 0)
        {
            if(top > 0)
            {   
                printf("%d\n",buffer[--top]);
            }
            else
                printf("Stack Underflow\n");
        }
        
    }
}

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

    process_stack(n);
    return 0;
}

Solving Approach