OTHS Coding Competition 4

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Welcome to the end-of-school-year OTHS Coding Competition!

There will be 5 problems, the difficulty of which will be slightly higher than that of the CCC junior.

The contest organizer is Riolku.

The problem setters are Ivan_Li and Humanthe2nd.

Special thanks to thomas_li, Vastaway, htoshiro, Snowfall, kevlu8, dnialh_, and fireheartjerry for testing and feedback on the problems.

The contest will run from May 22th, 15:00 EST to May 30th, 00:00 EST. After the contest window begins, you may begin at any time. Your personal timer will start counting down, and you will be able to submit until 90 minutes from when you started, or until the hard deadline, whichever comes first.

Here are the parameters of the contest:

  • Contest duration: 90 minutes.
  • Number of problems: 5, full feedback (you will see the results of your submissions instantly).
  • Each problem will be worth 100 marks, and may have partial marks in the form of subtasks.
  • Scoreboard will be hidden until your window is over.
  • Ties will be broken by the maximum submission time that increased score with no penalties.
  • Number of submissions allowed per problem: 50.
  • Checkers for problems: standard, unless otherwise specified.
  • This contest is unrated.
  • It is guaranteed that all problems will be solvable with Python and C++.

Problems

Problem Points AC Rate Users Editorials
OTHS Coding Competition 4 P1 - Square Root Decomposition 3 83.0% 152
OTHS Coding Competition 4 P2 - Furina's Rounding 5p 20.0% 84
OTHS Coding Competition 4 P3 - Photo 5p 51.3% 94 Editorial
OTHS Coding Competition 4 P4 - Mathemagical Experiment 10p 14.5% 41
OTHS Coding Competition 4 P5 - Teleport 12p 29.3% 33 Editorial

Comments


  • -1
    magnus_xchamp  commented on May 27, 2025, 7:05 p.m.

    埃隆马斯克 🏆


  • 1
    carolorac  commented on May 24, 2025, 1:47 p.m.

    noelle?


  • 1
    AustinJiang  commented on May 24, 2025, 11:45 a.m.

    Genshin!


  • 1
    leiterally  commented on May 22, 2025, 6:58 p.m.

    冲刺！冲刺！冲！冲！♿♿♿ orz Ivan Li


  • 0
    Dan4Life  commented on May 22, 2025, 6:40 a.m.

    Can't wait : )


  • 0
    CubixularHelix  commented on May 21, 2025, 2:10 a.m.

    furina????


  • 0
    htoshiro  commented on May 21, 2025, 1:46 a.m.

    ivan li is my glorious open mindeu king