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APIO 2022 Grading System

An instance of Contest Management System (CMS) modified for APIO 2022 will be used as the grading system.


Grading will be performed on Physical Machines provided by Nanjing Foreign Language School (Wikipedia) with the following specifications:

OS: Ubuntu 20.04

Processor: Intel(R) Core(TM) i5-10500 CPU @ 3.10GHz

Clock speed set to 3.1 GHz (Intel® Turbo Boost Technology disabled)

Hyper-threading disabled

Each execution of a submission will be pinned to a separate physical CPU core


The exact commands used for compilation will be shown on the grading system. With the exception of certain task types, the compilation command will generally be of the following format:

C++ (gcc 9.3.0): /usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o ${task} grader.cpp ${task}.cpp

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