## Problem `LANGUAGE_VERSIONS` only covered cpp and python. Several platform IDs were wrong — CodeChef used `C++ 17`/`Python 3` (correct: `C++`/`PYTH 3`), USACO listed nonexistent c++20/c++23 options, and CSES only had C++17. ## Solution Verify every platform's submit page and update all language ID tables. Add java and rust entries where supported, fix incorrect CodeChef and USACO IDs, and expand CSES `CSES_LANGUAGES` dict with C++11/C++20/PyPy3/Java/Rust variants. |
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|---|---|---|
| .. | ||
| __init__.py | ||
| atcoder.py | ||
| base.py | ||
| codechef.py | ||
| codeforces.py | ||
| cses.py | ||
| kattis.py | ||
| language_ids.py | ||
| models.py | ||
| timeouts.py | ||
| usaco.py | ||