2018年4月14日
CodeForces 909E Coprocessor(无脑拓扑排序)
摘要： You are given a program you want to execute as a set of tasks organized in a dependency graph. The dependency graph is a directed acyclic graph: each 阅读全文
posted @ 2018-04-14 21:07 Styx-ferryman 阅读(430) 评论(0) 推荐(0)
CodeForces 912d fishes(优先队列+期望)
摘要： While Grisha was celebrating New Year with Ded Moroz, Misha gifted Sasha a small rectangular pond of size n × m, divided into cells of size 1 × 1, inh 阅读全文
posted @ 2018-04-14 20:45 Styx-ferryman 阅读(302) 评论(0) 推荐(0)