northsamurai

/*
 * Problem: Product Suggestion System
 * 
 * You’re implementing a product suggestion system for a shopping app. 
 * Given a list of product names and a search query string, return a list of suggestions 
 * after each character is typed, starting from the second character.
 * 
 * Requirements:
 * - Suggestions must match the current prefix (case-insensitive)
 * - Sorted lexicographically

northsamurai

public class OrderProcessor
{
    public void ProcessOrder(Order order)
    {
        Console.WriteLine("Processing order...");

        // Validate order
        if (order == null || order.Items == null || order.Items.Count == 0)
        {
            Console.WriteLine("Invalid order.");