随笔- 477 文章- 0 评论- 38 阅读- 11万

06 2021 档案

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

$n$ 的序列

A

$A$ ，每次询问给一组

(a,b)\(，求\)\sum\limits_^{\lfloor\frac\rfloor}A_{a+bi}

$(a,b)$，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(26) 评论(1) 推荐(0) 编辑

[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

$n$ 个儿子，那么我们称它为严格

n

$n$ 元树。如果该树中最底层的节点深度为

d

$d$ （根的深度为

0

$0$ ），那么我们称它为一棵深度为

d

$d$ 的严格

n

$n$ 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(62) 评论(0) 推荐(0) 编辑

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

$n$ nodes. The tree nodes are numbered 阅读全文

posted @ 2021-06-26 02:29 Wolfycz 阅读(49) 评论(0) 推荐(0) 编辑

[HDU2281]Square Number

摘要：Description Find the biggest integer

n (1 ⩽ n ⩽ N)

$n (1\leqslant n\leqslant N)$ and an integer

x

$x$ to make them satisfy Input The input consists of several tes 阅读全文

posted @ 2021-06-25 21:26 Wolfycz 阅读(54) 评论(0) 推荐(0) 编辑

[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(54) 评论(0) 推荐(0) 编辑

[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(40) 评论(0) 推荐(0) 编辑

[HDU5794]A Simple Chess

摘要：Description There is a

n \times m

$n×m$ board, a chess want to go to the position

(n, m)

$(n,m)$ from the position

(1, 1)

$(1,1)$ . The chess is able to go to position \( 阅读全文

posted @ 2021-06-25 16:31 Wolfycz 阅读(30) 评论(0) 推荐(0) 编辑

[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(33) 评论(0) 推荐(0) 编辑

[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(58) 评论(0) 推荐(0) 编辑

[HDU6304]Chiaki Sequence Revisited

摘要：Description Chiaki is interested in an infinite sequence

a_{1}, a_{2}, a_{3}, . . .

$a_1,a_2,a_3,...$ 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(54) 评论(0) 推荐(0) 编辑

[HDU6343]Graph Theory Homework

摘要：Description There is a complete graph containing

n

$n$ vertices, the weight of the

i

$i$ -th vertex is

w_{i}

$w_i$ . The length of edge between vertex

i

$i$ 阅读全文

posted @ 2021-06-25 14:22 Wolfycz 阅读(38) 评论(0) 推荐(0) 编辑

[HDU6129]Just do it

摘要：Description There is a nonnegative integer sequence

a_{1... n}

$a_{1...n}$ of length

n

$n$ . 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(51) 评论(0) 推荐(0) 编辑

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