🧑‍💻 LeetCode 0729 — Effortless Scheduling: A Comprehensive Guide Calendar I

Efficient scheduling systems are at the heart of many applications today. From meeting planners to event organizers, avoiding overlapping appointments is a universal challenge. LeetCode problem 729. My Calendar I brings this idea into a coding context, tasking us with designing a calendar that books events without overlap. In this blog, we’ll explore the problem, understand the constraints, and examine solutions with clear Java implementations. By the end, you’ll not only grasp how to solve this problem but also understand its broader applications.

🤔 Problem Statement

Level 🔥🔥 Medium

Implement a calendar system where you can:

1. Book an interval [start, end) where start < end.
2. Ensure no booked intervals overlap.
3. Support up to 1000 bookings efficiently.

💡Solution

✍ Approach 1: Brute Force with a List

The simplest way to solve this problem is by storing intervals in a list and checking for conflicts during each booking.import java.util.ArrayList;
import java.util.List;