Bruce's CCO Training Contest 1

bruce is hosting a series of weekly CCO training contests, and everyone is welcome to participate!

Whether you've been invited to the CCO or not, this is a great opportunity to sharpen your skills:

  • CCO Invitees: Use these contests to stay in shape and prepare for the CCO ahead.
  • Non-invitees: This is your chance to challenge and outperform the CCO invitees — show them what you’ve got!

Special thanks to Sucram314 for testing and feedback on the problems!

Here are the parameters of the contest:

  • Contest duration: 4 hours.
  • Number of problems: 3, full feedback (you will see the results of your submissions instantly).
  • Scoreboard will be hidden, until your window is over.
  • Each problem will be worth 100 marks, and may have partial marks in the form of subtasks.
  • Checkers for problems: standard, unless otherwise specified.
  • This contest is unrated.
  • It is guaranteed that all problems will be solvable with C++.

Note: Problems are not guaranteed to be ordered by difficulty

Problems

Problem Points AC Rate Users
Expedition 12p 18.6% 32
Gifts 15p 3.5% 10
Bob's Beautiful Set 25p 4.3% 2

Comments


  • 0
    wuhaohci  commented on April 6, 2026, 2:30 a.m.

    is there an editorial for p2 gifts and p3 bob's beautiful set? thanks


  • 0
    relyks  commented on April 3, 2026, 7:34 p.m.

    orz


  • 0
    Stonks  commented on April 1, 2026, 9:19 p.m.

    orz


  • 0
    do_ur_homwork  commented on March 28, 2026, 5:18 p.m.

    orz


  • 0
    daveidkxdxdxd  commented on March 28, 2026, 2:09 a.m.

    orz


  • 0
    TheRZ123  commented on March 28, 2026, 2:04 a.m.

    orz