Web Reference: Formally, a valid number is defined using one of the following definitions: 1. An integer number followed by an optional exponent. 2. A decimal number followed by an optional exponent. An integer number is defined with an optional sign '-' or '+' followed by digits. In-depth solution and explanation for LeetCode 65. Valid Number in Python, Java, C++ and more. Intuitions, example walk through, and complexity analysis. Better than official and forum solutions. Formally, a valid number is defined using one of the following definitions: An integer number followed by an optional exponent. A decimal number followed by an optional exponent. An integer number is defined with an optional sign'-' or '+' followed by digits.
YouTube Excerpt: In this video we are solving a classic Leetcode question and popular Facebook interview question:
Net Worth Profile Overview
Valid Number Leetcode Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $57M - $98M
Salary & Income Sources
Career Highlights & Achievements
Assets, Properties & Investments
This section covers known assets, real estate holdings, luxury vehicles, and investment portfolios. Data is compiled from public records, financial disclosures, and verified media reports.
Last Updated: April 8, 2026
Net Worth Outlook & Future Earnings
Disclaimer: Disclaimer: Net Worth estimates are based on publicly available data, media reports, and financial analysis. Actual numbers may vary.