[[2020-2021:teams:legal_string:front_page|back]]

====== 我太菜了 ======

===== 专题 =====
[[2020-2021:teams:legal_string:dp的优化]]

[[可持久化线段树]]

[[DFT]]

[[计算几何]]

[[BSGS]]

[[Polya定理]]

[[半平面交]]

===== 题解 =====
[[Cf639 Div1 A、B ]]

[[Cf641]]

[[Cf643]]