WebIf it is impossible to reach the highest row having collected the number of peas divisible by k + 1, print -1.. Otherwise, the first line must contain a single number — the maximal … WebF. Maximum White Subtree. You are given a tree consisting of n vertices. A tree is a connected undirected graph with n − 1 edges. Each vertex v of this tree has a color …

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WebThe first line of each test case two integers n, q ( 1 ≤ n ≤ 10 5; 1 ≤ q ≤ 10 5 ) — the number of rectangles you own and the number of queries. Then n lines follow, each containing two integers h i, w i ( 1 ≤ h i, w i ≤ 1000 ) — … WebJul 1, 2024 · CF2000~2500的dp题 how use metatarsal pads

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Webhdu 1520 (树形)dp-爱代码爱编程 2014-11-12 分类: dp 2014/11/12 CF上遇到了，被虐成沙比。回过头来学。这题是入门的树形dp，对，仅仅是入门而已（会dp就会做）。 http://www.jsoo.cn/show-61-194331.html WebThe description of the test cases follows. The first line of each test case contains a single integer n ( 2 ≤ n ≤ 10 5) — the number of vertices in Parsa's tree. The i -th of the following n lines contains two integers l i and r i ( 1 ≤ l i ≤ r i ≤ 10 9). Each of the next n − 1 lines contains two integers u and v ( 1 ≤ u, v ≤ ... fenyvesi zoltán