Hello LeetCoders!\n\nWe are excited to annouce that our Weekly Contest 284 is ***sponsored by Amazon Customer Behavior Analytics!*** \uD83D\uDE0E Register for our upcoming contest [**here**](https://leetcode.com/contest/weekly-contest-284/) and fill out the form at registration! Register in advance to avoid missing out on this opportunity!\n\n\n<a href="https://leetcode.com/contest/weekly-contest-284/" target="_blank"><img src="https://assets.leetcode.com/static_assets/others/CBA_Contest_Banner.png" width="400px" /></a>\n\n\n*What\'s in this for LeetCoders?*\n**\u2705 Interview Opportunity!** Amazon may reach out to eligible contest winners for an on-site interview opportunity with Amazon.\n**\u2705 BONUS Prizes!** we provide awesome prizes including **Amazon E-Gift Card and exclusive LeetCode goodies** for the contest winners! \n\n\n<a href="https://leetcode.com/contest/weekly-contest-284/" target="_blank"><img src="\nhttps://assets.leetcode.com/static_assets/others/CBA_Prize.png" width="500px" /></a>\n\n\n*What are you waiting for?* \n[**Fill out the survey during registration**](https://leetcode.com/contest/weekly-contest-284/) and win up to 5000 [LeetCode Coins](https://leetcode.com/store/) per contest and an opportunity to be selected for an **interview with LeetCode**. [**REGISTER**](https://leetcode.com/contest/weekly-contest-284/) Now!! \n\n\n\n<a href="https://leetcode.com/contest/weekly-contest-284/" target="_blank"><img src="\nhttps://assets.leetcode.com/static_assets/others/registration-banner.png" width="500px" /></a>\n\n

Hello LeetCoders!\n\nWe are excited to annouce that our Weekly Contest 284 is sponsored by Amazon Customer Behavior Analytics! \uD83D\uDE0E  Register for our up