摘要： ```cpp / 统计每个节点的max和min， 然后求和即可 min = max[fa] + 1 / include include include include include define ll long long define M 6010 define mmp make_pair usi 阅读全文

摘要： 你没有看错，菜鸡退役前刚学后缀自动机 cpp include include include include include define ll long long define M 2000010 define mmp make_pair using namespace std; int read 阅读全文

摘要： ```cpp / dp维护整体的概率， 每次相当于回退一格然后重新dp一格 / include include include include include define ll long long define M 202 define mmp make_pair using namespace 阅读全文