Open ManuShi98 opened 2 years ago
https://manushi98.github.io/2018/02/20/BZOJ%20-%203224%20Tyvj%201728%20%E6%99%AE%E9%80%9A%E5%B9%B3%E8%A1%A1%E6%A0%91%20/
思路Treap模板题
https://manushi98.github.io/2018/02/20/BZOJ%20-%203224%20Tyvj%201728%20%E6%99%AE%E9%80%9A%E5%B9%B3%E8%A1%A1%E6%A0%91%20/
思路Treap模板题