QOJ.ac

QOJ

Time Limit: 2 s Memory Limit: 1024 MB

# 6653. 阴阳阵法

The problem was used in the following contest:

2023 清华大学学生程序设计竞赛暨高校邀请赛（THUPC 2023）决赛

This problem is prepared by Itst .