CfPlugin by saturo

All in one for mastering CP, Custom GYM MAshup, StopWatch Timer , Random Problem generator,Dashboard Metrics

Experimental

Available on Firefox for Android™

Scan the QR code to open this extension in Firefox for Android

About this extension

Personalized Virtual Contests: Generate balanced mashup contest rounds with custom problem counts (3 to 8 problems) and progressive difficulty curves (e.g. 1000 to 2000 rating for A → B → C → D → E).
Interactive Mashup Arena:
Full Virtual Contest Room with letter tags (A, B, C, D...), problem titles, ratings (with option to blur ratings for authentic contest pressure!), and direct problem links.
Master Contest Clock: Synchronized countdown timer (60m, 90m, 120m, 150m, 180m) with live pause/resume and automatic time-up audio alerts.
Live Standings & Penalty Tracking: Solved problems calculate elapsed penalty time (+24m 10s).
Contest Summary & Performance Report: Finish contests to view total solves, time penalty, and performance feedback.
Export & Share: One-click clipboard copy of clean problem URLs to easily create Codeforces Polygon/Gym mashups or share rounds with practice partners.
Mashup Archive: Re-open or review past practice mashup rounds anytime.

Live In-Page Stopwatch: Track your exact solving time on every problem page (/problemset/problem/*, /contest/*/problem/*, /gym/*/problem/*).
Dual Timing Modes:
Stopwatch: Standard count-up solving timer.
Countdown Speedrun Mode: Contest simulation timer with 15m, 30m, 45m, 60m presets or custom durations.
Auto-Log on Solved: Automatically logs solve duration, rating, and session metadata when marking problems as ✓ Solved.
Audio Chime & Visual Pulse Alerts: Plays a Web Audio chime and visual pulse warning when the countdown hits zero.
State Persistence: Preserves active timers across page reloads and tab navigations.
Live Popup Banner: View and control currently timed problems directly from the extension popup.

Removes clutter, advertisements, sidebars, contest comments, and headers on Codeforces problem statements.
Displays a clean, centered, high-contrast reading layout optimized for deep focus during practice.

Automatically injects sleek floating "Copy" buttons onto sample input/output test boxes on problem pages.
Copies clean, newline-formatted test cases directly to clipboard with instant confirmation feedback.

Star and organize problems to build a custom review or spaced-repetition queue.
Dedicated Bookmarks & Queue dashboard tab with quick launch ("Launch Timed Solve") and search.
Star/Bookmark filter in popup and problem explorer.

Set custom daily solving targets (e.g. 3 problems/day).
Visual streak counter and daily progress bar in both the popup and dashboard overview.

Average Solve Time by Rating Tier: Track how many minutes you take on 800-1100, 1200-1400, 1500-1700, 1800-2000, and 2100+ rated problems.
Solve Duration Distribution: Interactive Chart.js donut breakdown of fast solves vs. marathons.
Timed Session Logs Table: Full history of timed problem solves with problem name, contest, rating, duration, mode, and direct link.

Spoiler Shield: Blurs algorithm tags until requested.
Progressive Hint Mode: Reveal one tag at a time (💡 Hints (1/N)) to get gentle guidance without spoiling the whole approach.

In-page notes modal with quick insertion chips for complexities (O(N log N), O(N)), approach templates, and algorithm tags (#dp, #binary-search, #greedy, #graphs).
Syncs directly to the central Problem Notes archive on the dashboard.

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