Integer to Roman | Leetcode 12 | Integer to Roman Solution Java | Full Explanation

Title:- Converting Integer to Roman - Algorithm Explanation

**Description:**

In this video, we'll dive into a simple yet elegant algorithm for converting an integer to its equivalent Roman numeral representation. This algorithm, implemented in Java, efficiently converts any positive integer into its Roman numeral counterpart.

**Algorithm Overview:**

The algorithm employs a two-array approach. One array stores the symbols representing Roman numerals, and the other array stores their corresponding integer values. By iterating through these arrays and subtracting values from the input number, the algorithm constructs the Roman numeral representation step by step.

**Step-by-Step Explanation:**

1. Initialize two arrays:
- `symbol[]`: Contains symbols representing Roman numerals in descending order of value.
- `value[]`: Contains corresponding integer values for each Roman numeral symbol.

2. Initialize an empty string `roman` to store the Roman numeral representation.

3. Iterate through the arrays:
- For each symbol-value pair, check if the input number `num` is greater than or equal to the current value.
- If true, append the corresponding symbol to the `roman` string and subtract the value from `num`.
- Repeat this process until `num` becomes zero.

4. Return the constructed `roman` string as the final result.

**Why This Video?**

- Provides a clear and concise explanation of the algorithm.
- Suitable for both beginners and experienced developers.
- Demonstrates a practical application of arrays and loops in solving a classic problem.

Whether you're learning algorithms for the first time or looking to refresh your knowledge, this video will guide you through the process of converting integers to Roman numerals with ease.

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