2019-10-19: open a pit, today preliminaries, I was the only exam we adhere to a few people rolling 16:45, we are machine test, actually you can use the compiler .
The overall feeling of the preliminary round played well, noodles out of 200, the actual final score, is the beginning of a book sub-divided by two.
Preliminary round should still be a nice, Luo Gu bless me!