The statement & testcases

Statements

HHSOJ-Essential supports two kinds of statements: PDF and Markdown. The Markdown version should have a name statement.md and the PDF version should have a name statement.pdf. You can include either or both. The system will auto detect.

Tests

Each testcase should be in exactly one subtask. Input files have the format test<x>.in and output files have the format test<x>.out. <x> starts from 0. They will be judged in increasing order of <x>