fwat:
博客地址:https://www.cnblogs.com/yqgAKIOI/
fwat:
博客地址:https://www.cnblogs.com/yqgAKIOI/
[Luogu4916]魔力环[Burnside引理组合计数容斥]
[CF963E]Circles of Waiting[高斯消元网格图优化+期望]
[CF1009G]Allowed Letters[贪心+霍尔定理]
[arc102E]Stop. Otherwise...[容斥+二项式定理]
[CF1038F]Wrap Around[AC自动机+dp]
[CF995F]Cowmpany Cowmpensation[树形dp+拉格朗日插值]
[CERC2017]Intrinsic Interval[scc+线段树优化建图]