06 2021 档案

CF103 D. Time to Raid Cowavans
摘要：题目传送门：https://codeforces.com/problemset/problem/103/D 题目大意： 给你一串长度为$n$的序列$A$，每次询问给一组$(a,b)\(，求\)\sum\limits_^{\lfloor\frac\rfloor}A_{a+bi}$ 考虑离线，对所有询问 阅读全文
posted @ 2021-06-30 21:53 Wolfycz 阅读(32) 评论(1) 推荐(0)
[SCOI2003]严格N元树
摘要：Description 如果一棵树的所有非叶节点都恰好有 \(n\) 个儿子，那么我们称它为严格 \(n\) 元树。如果该树中最底层的节点深度为 \(d\)（根的深度为 \(0\)），那么我们称它为一棵深度为 \(d\) 的严格 \(n\) 元树。例如，深度为２的严格２元树有三个，如下图： 给出 \ 阅读全文
posted @ 2021-06-26 20:53 Wolfycz 阅读(71) 评论(0) 推荐(0)
CF280 C. Game on Tree
摘要：题目传送门：https://codeforces.com/problemset/problem/280/C Description Momiji has got a rooted tree, consisting of \(n\) nodes. The tree nodes are numbered 阅读全文
posted @ 2021-06-26 02:29 Wolfycz 阅读(55) 评论(0) 推荐(0)
[HDU2281]Square Number
摘要：Description Find the biggest integer \(n (1\leqslant n\leqslant N)\) and an integer \(x\) to make them satisfy Input The input consists of several tes 阅读全文
posted @ 2021-06-25 21:26 Wolfycz 阅读(59) 评论(0) 推荐(0)
[HDU5391]Zball in Tina Town
摘要：Description Tina Town is a friendly place. People there care about each other. Tina has a ball called zball. Zball is magic. It grows larger every day 阅读全文
posted @ 2021-06-25 20:16 Wolfycz 阅读(61) 评论(0) 推荐(0)
[HDU3988]Harry Potter and the Hide Story
摘要：Description iSea is tired of writing the story of Harry Potter, so, lucky you, solving the following problem is enough. Input The first line contains 阅读全文
posted @ 2021-06-25 19:38 Wolfycz 阅读(46) 评论(0) 推荐(0)
[HDU5794]A Simple Chess
摘要：Description There is a \(n×m\) board, a chess want to go to the position \((n,m)\) from the position \((1,1)\). The chess is able to go to position \( 阅读全文
posted @ 2021-06-25 16:31 Wolfycz 阅读(34) 评论(0) 推荐(0)
[HDU5451]Best Solver
摘要：Description The so-called best problem solver can easily solve this problem, with his/her childhood sweetheart. It is known that \(y=(5+2\sqrt{6})^{1+ 阅读全文
posted @ 2021-06-25 16:01 Wolfycz 阅读(37) 评论(0) 推荐(0)
[HDU1724]Ellipse
摘要：Description Math is important!! Many students failed in 2+2’s mathematical test, so let's AC this problem to mourn for our lost youth.. Look this samp 阅读全文
posted @ 2021-06-25 15:31 Wolfycz 阅读(66) 评论(0) 推荐(0)
[HDU6304]Chiaki Sequence Revisited
摘要：Description Chiaki is interested in an infinite sequence \(a_1,a_2,a_3,...\) which is defined as follows: \(a_n=\begin{cases} 1 &,n=1,2\\a_{n−a_{n−1}} 阅读全文
posted @ 2021-06-25 14:54 Wolfycz 阅读(82) 评论(0) 推荐(0)
[HDU6343]Graph Theory Homework
摘要：Description There is a complete graph containing \(n\) vertices, the weight of the \(i\)-th vertex is \(w_i\). The length of edge between vertex \(i\) 阅读全文
posted @ 2021-06-25 14:22 Wolfycz 阅读(45) 评论(0) 推荐(0)
[HDU6129]Just do it
摘要：Description There is a nonnegative integer sequence \(a_{1...n}\) of length \(n\). HazelFan wants to do a type of transformation called prefix-XOR, wh 阅读全文
posted @ 2021-06-25 12:09 Wolfycz 阅读(57) 评论(0) 推荐(0)