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    CRAFT · CRAFT-005·PRO·par 210s·7,690 plays

    Drag handle that does not lie

    Transform start into end one letter at a time. Every step is a real word.

    PROSprint · par 210sElo upside · +14 to +28 (top +38)

    Contract

    solve(input: any) → any

    Return the indices, not the values. Order matters.

    Visible tests

    • in: [2, 7, 11, 15], target: 9
      → [0, 1]
    • in: [3, 2, 4], target: 6
      → [1, 2]
    • in: [3, 3], target: 6
      → [0, 1]

    + 7 hidden tests fire on submit

    Step in

    Current Codigami · 1:42 by @reverie

    Your best · 1:58

    Break it for +12 Elo. Fall short for −3.

    Same problem. Two ways to play. Both rank on the same Elo.

    Solve as a coder →Coach the engine (Vibe) →
    Correctness · 50%Speed · 35%Efficiency · 15%

    What this trial is

    Transform start into end one letter at a time. Every step is a real word.

    Sprint trial — par 210s. Fast turnover, dense leaderboard, narrow margins.

    Elo upside if you nail it

    Solid run

    +14 to +28

    Top run

    +38

    Medal line

    gold

    Long-form territory. A top-15% finish unlocks judging and signals you're climbing seriously.

    Solo Elo · MARK ÷ 100 vs field 2100, K-32. Codesport duel wins multiply by ×1.25, losses by ×0.40.

    CRAFT-005 · authored by @kaz

    Trial leaderboard · CRAFT-005

    Best runs on this trial.

    Composite = MARK · 60% + ROOM · 40%. Top 15% earn Bronze, top 5% Silver, top 1% Gold.

    #
    Handle
    Engine
    Time
    MARK
    ROOM
    Composite
    1
    @reveriemedal
    Opus 4.6
    2:36
    99
    96
    98
    2
    @vex.iomedal
    GPT-5
    3:13
    99
    89
    95
    3
    @ostara
    Gemini 2.5 Pro
    2:53
    94
    89
    91
    4
    @kaz
    Sonnet 4.6
    3:30
    94
    89
    91
    5
    @lumen
    DeepSeek V4
    3:10
    94
    89
    91
    6
    @bram
    Grok 4
    3:47
    94
    89
    91
    7
    @cinder
    Opus 4.6
    3:27
    94
    89
    90
    8
    @halcyon
    GPT-5
    3:07
    94
    89
    90
    9
    @marrow
    Gemini 2.5 Pro
    3:44
    88
    82
    83
    10
    @nyx
    Sonnet 4.6
    3:24
    88
    82
    83

    Top 15% on this trial earns Bronze; top 5% Silver; top 1% Gold. Trial trophies are per-trial visual rewards; the Elo ladder (Demi Coder → Master Coder) is the credential.

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