API Documentation

RESTful API · JSON responses · Compatible with packages/core Rust types

Paginated problem list with filtering.

{ "total": 35114, "page": 1, "limit": 20, "total_pages": 1756, "items": [...] }

Problem detail in core-compatible format. Returns suggestions on 404.

{ "problem": {...}, "statements": [...], "meta": { "iden", "tags", "sample_group" } }

Raw segmented data (paragraphs, samples, translations, formalizations).

Database statistics and platform listing.

Fetch from Codeforces via browser proxy (Cloudflare bypass).

{ "url": "CF1A" }   // or { "urls": ["CF1A","CF2B"] }

Fetch from AtCoder.

{ "url": "abc300_a" }   // or { "urls": [...] }

Batch fetch by contest ID.

{ "contest_id": 566 }   // CF: number, AT: string e.g. "abc300"

interface Problem {
  name: string;
  description: { content: string; description_type: "Markdown" | "Html" | "Typst" };
  platform: string;
  limit: { time_limit: number; memory_limit: number };  // ms / KB
  difficulty: { NumberStyle: number } | { LuoguStyle: string } | "None";
  is_remote: boolean; is_sync: boolean; sync_url: string | null; sign: string | null;
}

interface ProblemStatement {
  statement_type: "Markdown" | "Html" | "Pdf" | "Typst";
  content: string;
  is_translate: boolean;
  language: "Chinese" | "English" | "Japanese" | "Russian";
}