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RevRift Avatar
Name:Rev Rift
Clan:Unknown
Skills:brainstorming
Member Since:Feb 2021
Last Seen:Apr 2025
Profiles:
Following:11
Followers:5
Allies:3
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  • Stats
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  • Conversations (61)
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  • Custom User Avatar
    • NoviceHackerR007
    • commented on "Convert an array of strings to array of numbers" cpp solution
    • 10 months ago

    omg the transform lambada

  • Custom User Avatar
    • RevRift
    • commented on "Tiptoe through the circles" kata
    • 2 years ago

    as drgaur said "a lot of circle geometry, tangent lines, circle intersections" as well as path finding of course

  • Custom User Avatar
    • bensalem13
    • commented on "Tiptoe through the circles" kata
    • 2 years ago

    what math is involved here

  • Custom User Avatar
    • shobiianis
    • commented on "Add All" kata
    • 2 years ago

    How?? what im missing here

  • Custom User Avatar
    • RevRift
    • commented on "Insane Coloured Triangles" kata
    • 2 years ago

    BIO stands for "British Informatics Olympiad". Type that in instead.

  • Custom User Avatar
    • RevRift
    • resolved a question on "Insane Coloured Triangles" kata
    • 2 years ago

    I tried that at first but no it's not fast enough. The solution is mathematical but the logic behind it is derived from pattern spotting. I recommend looking at the mark scheme for this question in BIO 2017, that helped me solve this.

  • Custom User Avatar
    • RevRift
    • commented on "Complete Binary Tree" kata
    • 2 years ago

    the solution is so elegant it's as if this kata was framed around the solution.

  • Custom User Avatar
    • RevRift
    • commented on "Knight's Attack! " kata
    • 2 years ago

    This comment is hidden because it contains spoiler information about the solution

  • Custom User Avatar
    • RevRift
    • resolved a question on "Prime counting" kata
    • 2 years ago
  • Custom User Avatar
    • RevRift
    • commented on "Prime counting" kata
    • 2 years ago

    i tried that approach and found that it's not possible to generate 10^10 primes in the time given. you should use a wikipedia page that discusses what the kata is about.

  • Custom User Avatar
    • RevRift
    • commented on "Prime counting" kata
    • 2 years ago

    I'd be very grateful @monadius

  • Custom User Avatar
    • RevRift
    • commented on "Path Finder #4: where are you?" kata
    • 2 years ago

    Here's some help. Imagine these instructions were given to a robot, how would a robot interpret these instructions to move to a required position? As MrCookies78 has said, the position of the robot isn't reset between function calls. If you're using python you can type "Ctrl + Enter" instead of "Enter" to run all the tests, giving you more tests to look at to test your theories.

  • Custom User Avatar
    • RevRift
    • commented on "Blocks in an Irregular Pyramid" kata
    • 3 years ago

    problems like this are good because it introduces users to mathematical optimisation, which comes up later in programming

  • Custom User Avatar
    • Sahin Halil
    • commented on "Fibofamily #1" python solution
    • 3 years ago

    this was genius

  • Custom User Avatar
    • adam2000phillips
    • commented on "Add All" kata
    • 3 years ago

    if you look up the (connect the ropes to minimise cost) it is much better explained there and will remove confusion because many people think for numbers [1,2,3,4,5] the minimal cost is 34 but it is actually 33'

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