=====数据结构=====

[[lotk_树套树|树套树]]

[[带花树|带花树]]

[[ac自动机|ac自动机]]

[[后缀数组|后缀数组]]

=====个人练习=====

[[codeforces641div2|Codeforces Round #641 (Div. 2)]] ''prob:5/6'' ''rank:170''

2020.8.9 [[agc047|Atcoder Beginner Contest 047]] ''prob:2/6'' ''rank：415''

[[atcoderbc176|AtCoder Beginner Contest 176]] ''prob:5/6'' ''rank：889''