热身:http://dluacm.cn/wp-content/uploads/2021/12/热身赛.zip
正式:http://dluacm.cn/wp-content/uploads/2021/12/all.pdf
题解:
热身赛:https://dluacm.cn/?p=241
正式赛:https://dluacm.cn/?p=243
补题链接:
热身赛:https://codeforces.com/contestInvitation/0ab1baae37051826c1d4b2a66fd43edf6f243e55
正式赛:https://codeforces.com/contestInvitation/8e3b37266d2be6fa6faf2233977f745dc43935e6