Biweekly Contest 123 is unrated for LCCN and LCUS users due to weak test cases which allowed users to solve Q3 and Q4 with non-optimal solutions. After deep consideration of the fairest way forward for all contest participants, we determined that this contest will be unrated due to the significant impact it would have on contest results. We sincerely apologize for this mistake and are actively working to review and improve our test case development process to avoid similar issues moving forward. Thank you for your feedback and involvement in the LeetCode community.\n\nWelcome to [Biweekly Contest 123](/contest/biweekly-contest-123)! Feel free to share and post your contest experience here!\n\nYou can also view the rankings for the contest [here](/contest/biweekly-contest-123/ranking).\n\nLinks to the individual problems are included below:\n\n[Type of Triangle II](/problems/type-of-triangle-ii) (3 points)\n\n[Find the Number of Ways to Place People I](/problems/find-the-number-of-ways-to-place-people-i) (4 points)\n\n[Maximum Good Subarray Sum](/problems/maximum-good-subarray-sum) (5 points)\n\n[Find the Number of Ways to Place People II](/problems/find-the-number-of-ways-to-place-people-ii) (7 points)

Biweekly Contest 123 is unrated for LCCN and LCUS users due to weak test cases which allowed users to solve Q3 and Q4 with non-optimal solutions. After deep con