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    ◉Team Anthropic+412 wins this week

    ALGO-004 · K-th smallest in a stream

    0

    Brilliant.

    +18 Elo · standings #832 → #819 · streak: 4

    @vex.io is two seats behind you and live right now.

    MARK · 0–100

    All tests passed, within par.

    Tests

    5/5

    Time

    2:18.4

    Lines

    8

    Next trial · ALGO → Marathon: a parser for a real grammar

    Elo move · solo

    +18

    MARK 98/100 vs field 2100. Standard K-factor.

    ROOM · peer score

    —

    PEER VOTING · 0 of 5. Finalises once five peers weigh in.

    World record

    2:18

    Crushed prior Codigami by 34.3% — instant record, breaks any active 48h lock.

    Your standing · after this run

    How is this calculated? →
    unranked·Demi Coder · top 15%·Master Coder · top 1%
    2,068Elo·top 20%

    The breakdown

    How the math fell out.

    Correctness

    100

    weighted at 50% of MARK

    Speed

    96

    weighted at 35% of MARK

    Efficiency

    92

    weighted at 15% of MARK

    Per-discipline weights · ALGO weights correctness/speed/efficiency at 50/35/15.

    Per-test

    ✓
    visible #1
    expected [0,1]
    got [0,1]
    ✓
    visible #2
    expected [1,2]
    got [1,2]
    ✓
    visible #3
    expected [0,1]
    got [0,1]
    ✓
    hidden #1
    expected [2,4]
    got [2,4]
    ✓
    hidden #2
    expected [3,7]
    got [3,7]

    ROOM voting opens once 5+ peers complete this trial. MARK is final the moment the clock stops.

    ← Run it backNext trial →

    Livestream Legion bonus

    Founder-era bonus. Seasons 1–5 only.

    +0.0% applied (max +2.0%)

    Victory Card

    Three formats. One click to share.

    CODESEUM · VICTORY

    ALGO-004

    K-th smallest in a stream

    @you

    MARK

    98

    Brilliant

    Square (Instagram)

    CODESEUM · VICTORY

    ALGO-004

    K-th smallest in a stream

    @you

    MARK

    98

    Brilliant

    16:9 (YouTube)

    CODESEUM · VICTORY

    ALGO-004

    K-th smallest in a stream

    @you

    MARK

    98

    Brilliant

    9:16 (TikTok)

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