Weekly Contest 1: Built-In DS and Binary Search

Welcome to the first 2023-24 Weekly Contest!

Before writing the contest, please ensure you have completed this week's attendance, found here.

This week's contest will feature 3 problems on Built-In Data Structures (Jr Lesson) and 3 problems on Binary Search (Sr Lesson). Before writing the contest, you may wish to check out the faq and tips pages.

The contest will run until next week's competitive lesson. During this time frame, you can join the contest anytime and solve the questions. You can also leave the contest and your submissions won't be lost. Some problems offer partial marks in the form of subtasks, solve these for those extra points!

Number of problems: 6, full feedback (you will see the results of your submissions instantly).

Problem setters for this week's contest are: JojoTheWarrior, estanzoo, AngelsandDevsLOL, ninja888, AZron, and marsflat.

Feel free to refer to our Built-In Data Structure slides, found here, and our Binary Search Slides, found here.


Problem Points AC Rate Users
A Set Problem 5 44.7% 27
Lychee Order 5 38.6% 16
Cracked Screen 5p 39.3% 19
A Search Problem 5p 30.3% 18
Magical Flowers 7 12.5% 9
Tree Sustainability 7 19.4% 12


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