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1. Commits on Dec 14, 2025

   • Increase mastery target from 90% to 100%

     

     Brian Elinsky

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   • Add historical data to burndown chart with connected daily dots

     

     Brian Elinsky

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2. Commits on Dec 13, 2025

   • Fix exposure burndown: count attempts remaining to 2, not problems

     

     Brian Elinsky

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   • Add burndown chart for EPI problem progress tracking

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     Brian Elinsky

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3. Commits on Dec 9, 2025

   • Add blank lines between emoji rows for GitHub rendering

     

     Brian Elinsky

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   • Fix progress bar formatting for GitHub rendering

     

     Brian Elinsky

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   • Format progress bars with newlines and 20 emojis per line

     

     Brian Elinsky

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   • Add combined P0-P2 progress bar to README Algorithm Problems section

     

     Brian Elinsky

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   • Move goal trackers inline with priority sections

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     Brian Elinsky

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   • Reorganize problem tables by priority instead of chapter

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     Brian Elinsky

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   • Remove Overall Progress section from README

     

     Brian Elinsky

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   • Simplify README: remove star decorations and redundant stats text

     

     Brian Elinsky

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   • Remove Progress by Chapter section from README

     

     Brian Elinsky

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   • Hide P3/P4 problems from README while keeping data in progress.yaml

     

     Brian Elinsky

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4. Commits on Dec 8, 2025

   • Add attempts column to README problem tables

     

     Brian Elinsky

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5. Commits on Dec 7, 2025

   • Solve P1.01 CSV Sales Report, restructure README for Applied Problems

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     Brian Elinsky

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6. Commits on Dec 4, 2025

   • Sort flashcard categories by number prefix in README

     

     Brian Elinsky

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   • Rename 3-problems to 1-algorithm-problems, update README sections

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     Brian Elinsky

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   • Rename 0-operations to 0-python-flashcards

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     Brian Elinsky

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   • Add LeetCode mappings to EPI problems

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     Brian Elinsky

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   • Change completed goal border emoji from sparkle to glowing star

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     Brian Elinsky

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   • Add sparkle border to completed goals

     

     Brian Elinsky

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   • Make Progress by Chapter section collapsible

     

     Brian Elinsky

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   • Add tier legend to Goals section

     

     Brian Elinsky

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   • Move Goals above Overall Progress, make Overall Progress collapsible

     

     Brian Elinsky

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   • Update readme script to link to wiki instead of embedding diagrams

     

     Brian Elinsky

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   • Add Last Drilled column to flashcard table

     

     Brian Elinsky

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   • Log arrays flashcard drill: 15/19 in 6:25, add notes support

     

     Brian Elinsky

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7. Commits on Dec 3, 2025

   • Add flashcard drill tracking for README

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     Brian Elinsky

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8. Commits on Nov 30, 2025

   • Add ML problems category and update configs

     

     Brian Elinsky

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9. Commits on Nov 28, 2025

   • Add practical and trading problem categories

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     Brian Elinsky

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10. Commits on Nov 27, 2025

    • Replace narrow checkmark with full-width checkbox emoji

      

      Brian Elinsky

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11. Commits on Nov 24, 2025

    • Add tree balance study questions and update progress tracking

      

      Brian Elinsky

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12. Commits on Nov 23, 2025

    • Log attempts for dutch_national_flag and buy_and_sell_stock

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      Brian Elinsky

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    • Add Tier 0 (Attempted) to progress tracking system

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      Brian Elinsky

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