View problem - Examination 2 (JOI24_examination2)

Language	Compilation command
C++20	/usr/bin/g++ -DEVAL -std=gnu++20 -O2 -pipe -static -s -o examination2 examination2.cpp
C++17	/usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o examination2 examination2.cpp

Time limit	Memory limit	# of submissions	# of submitted users	Solved #	Accepted user ratio
2000 ms	1024 MiB	9	4	3	75.00%

Problem Source

Examination 2 Batch Compilation commands