Welcome to [Weekly Contest 285](/contest/weekly-contest-285)! Feel free to share and post your contest experience here!\n\nYou can also view the rankings for the contest [here](/contest/weekly-contest-285/ranking).\n\nLinks to the individual problems are included below:\n\n[Count Hills and Valleys in an Array](/problems/count-hills-and-valleys-in-an-array) (3 points)\n\n[Count Collisions on a Road](/problems/count-collisions-on-a-road) (4 points)\n\n[Maximum Points in an Archery Competition](/problems/maximum-points-in-an-archery-competition) (5 points)\n\n[Longest Substring of One Repeating Character](/problems/longest-substring-of-one-repeating-character) (6 points)\n\n----\n<br>\n\n\u2753 Do you enjoy the contest? \nClick <a href="https://form.nativeforms.com/QHWmREOV1jZmMDevRTNw0Db" target="_blank">\uD83D\uDC49 **HERE**\uD83D\uDC48 </a> to fill out a quick survey and help LeetCode provide a better contest experience.\n\n\n----\n<br>\n\n<p align="center">\n<a href="https://www.leetcode.com/track/?data=eyJ1cmwiOiAiaHR0cHM6Ly9sZWV0Y29kZS5jb20vZGlzY3Vzcy9nZW5lcmFsLWRpc2N1c3Npb24vMTUxMTI3NC90aGluay15b3UtZ290LXdoYXQtaXQtdGFrZXMtdG8td29yay1hdC1sZWV0Y29kZT9yZWY9Y3AiLCAidXVpZCI6ICJodHRwczovL2xlZXRjb2RlLmNvbS9kaXNjdXNzL2dlbmVyYWwtZGlzY3Vzc2lvbi8xNTExMjc0L3RoaW5rLXlvdS1nb3Qtd2hhdC1pdC10YWtlcy10by13b3JrLWF0LWxlZXRjb2RlP3JlZj1jcCJ9\t" target="_blank"><img src="https://assets.leetcode.com/static_assets/others/Ad_Banner.png" width="800px" /></a>\n</p>\n

Welcome to Weekly Contest 285! Feel free to share and post your contest experience here!\n\nYou can also view the rankings for the contest here.\n\nLinks to the