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;
    char cmd[10];
    int val;

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

        if(strcmp(cmd,"push")==0){
            scanf("%d",&val);

            if(top>= MAX-1){
                printf("Stack Overflow\n");
            }
            else
                stack[++top]=val;
        }
        else if(strcmp(cmd,"pop")==0)
        {
            if(top==-1){
                printf("Stack Underflow\n");
            }
            else
                printf("%d\n",stack[top--]);
        }
    }

}

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

    process_stack(n);
    return 0;
}