Release network resources.

Open the SQLite database with schema ensured.

Run AppleScript and return stdout.

Escape a string for AppleScript.

Create a dedicated Chrome window for scraping.

Run JavaScript in the current automation tab.

Apply the standard headers and optional cookies for statement requests.

Extract the problem statement from a full page HTML document.

Check what we currently have

Persist that a problem statement is handled as a PDF.

Return True when an HTTP response is a PDF document.

Fetch the raw page source through the browser session.

Read the current browser page state via JavaScript.

Parse AppleScript numeric output into a stable integer.

Navigate the automation tab to a new URL.

Let the user finish Cloudflare/login in the real browser.

Build the requested statement fetcher.

Use Chrome by default on macOS, where the browser automation path exists.

Create tables and apply lightweight schema migrations.

Normalize a problem statement and measure the remaining HTML length.

Fetch new problems from Codeforces API

Generate complete README with all short problems

Fetch and measure a Codeforces problem statement.

Parse command-line options.

Fallback probe used after scrape errors to classify PDF-backed statements.

Scrape statement lengths for problems that don't have them

Create a dedicated browser window for scraping.

Run JavaScript in Chrome.

Navigate the automation tab to a new URL.

The browser keeps its window/session open for reuse.

Fetch and measure a Codeforces problem statement from a browser.