原创 Codeforces Round #426 (Div. 1) C. Ever-Hungry Krakozyabra(搜索)
Recently, a wild Krakozyabra appeared at Jelly Castle. It is, truth to be said, always eager to have something for di
2020-02-23 02:00:52
原创 CodeForces - 842C Ilya And The Tree(樹上倍增)
Ilya is very fond of graphs, especially trees. During his last trip to the forest Ilya found a very interesting tree
2018-09-03 14:17:11