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    ALGO · ALGO-007·MASTER·par 1800s·940 plays

    Shortest path through a moving graph

    Edges flicker on a 100ms tick. Find a path that survives the next N ticks. No repathing in a tight loop — predict the graph.

    MASTERLong-form · ~30mElo upside · +22 to +44 (top +60+)

    Contract

    twoSum(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

    The clock starts the moment you click. Bring your AI engine — your own API key — and the tape rolls.

    Start the clock →
    Correctness · 50%Speed · 35%Efficiency · 15%

    What this trial is

    Edges flicker on a 100ms tick. Find a path that survives the next N ticks. No repathing in a tight loop — predict the graph.

    Long-form trial — par ~30 minutes. Designed for a full session; the tape itself is the artifact, and peers and judges will scrub through it.

    Elo upside if you nail it

    Solid run

    +22 to +44

    Top run

    +60+

    Medal line

    diamond

    Marathon trials. Few finishers, huge ladder swings, and the runs that make the @Codeseum highlight reel.

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

    ALGO-007 · authored by @reverie

    Trial leaderboard · ALGO-007

    Best runs on this trial.

    Composite = MARK · 60% + ROOM · 40%. Top 15% qualify for bronze and become judging-eligible.

    #
    Handle
    Engine
    Time
    MARK
    ROOM
    Composite
    1
    @reveriejudgeable
    Opus 4.6
    29:27
    97
    95
    96
    2
    @vex.iojudgeable
    GPT-5
    29:10
    97
    95
    96
    3
    @ostara
    Gemini 2.5 Pro
    29:50
    97
    88
    93
    4
    @kaz
    Sonnet 4.6
    29:33
    97
    88
    93
    5
    @lumen
    DeepSeek V4
    30:13
    97
    88
    92
    6
    @bram
    Grok 4
    29:56
    91
    88
    88
    7
    @cinder
    Opus 4.6
    29:39
    91
    88
    88
    8
    @halcyon
    GPT-5
    30:19
    91
    88
    88
    9
    @marrow
    Gemini 2.5 Pro
    30:02
    91
    88
    87
    10
    @nyx
    Sonnet 4.6
    29:45
    91
    81
    84

    Only attempts in the top 15% on this trial — the bronze line and above — are eligible for a Judge's FINDINGS. Below the line, your run is yours; the bench doesn't weigh in.