1.关键帧动画 1)xml 界面 <Page x:Class="Test.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="using:Test" xmlns:d="http:…

This paper presented a very interesting topic. Censorship in China has always drawn people's attention since in a perspective of universal values censorship repress the free will of people to express themselves. This paper, focusing on the censorship…

题目描述 Recently, Miss Huang want to receive a Tree as her birthday gift! (What a interesting person!)  As a interesting person, Miss Huang likes interesting tree. The interesting tree is a tree with the Max interesting degree. The interesting degree eq…

题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=5785 Description Alice get a string S. She thinks palindrome string is interesting. Now she wanna know how many three tuple (i,j,k) satisfy 1≤i≤j<k≤length(S), S[i..j] and S[j+1..k] are all palindrom…

2070. Interesting Numbers Time limit: 2.0 secondMemory limit: 64 MB Nikolay and Asya investigate integers together in their spare time. Nikolay thinks an integer is interesting if it is a prime number. However, Asya thinks an integer is interesting i…

H - Solve this interesting problem Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5323 Appoint description:  System Crawler  (2015-07-28) Description Have you learned something about segment tr…

Interesting Fibonacci Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 665    Accepted Submission(s): 114 Problem Description In mathematics, the Fibonacci numbers are a sequence of numbers named…

题目链接:CF #365 (Div. 2) D - Mishka and Interesting sum 题意:给出n个数和m个询问,(1 ≤ n, m ≤ 1 000 000) ,问在每个区间里所有出现偶数次的数异或的值. 思路:容易想到,把区间内的所有的数都异或得到的是出现奇数次的数的值,然后再异或该区间内的所有出现过的数(每个数只统计一次),得到的ans了. 第一个问题:得到询问区间的所有数的异或值,由 a[1~r] ^ a[0~(l-1)] = a[l~r] 可以用数组all_xor[i…

转载自:http://www.cnblogs.com/icode-girl/p/5744409.html 题目链接:CF #365 (Div. 2) D - Mishka and Interesting sum 题意:给出n个数和m个询问,(1 ≤ n, m ≤ 1 000 000) ,问在每个区间里所有出现偶数次的数异或的值. 思路:容易想到,把区间内的所有的数都异或得到的是出现奇数次的数的值,然后再异或该区间内的所有出现过的数(每个数只统计一次),得到的ans了. 第一个问题:得到询问区间的…

Calculations are rather interesting, especially when some thoughts are involved therein.…

题目链接: http://codeforces.com/contest/703/problem/D D. Mishka and Interesting sum time limit per test 3.5 secondsmemory limit per test 256 megabytes 问题描述 Little Mishka enjoys programming. Since her birthday has just passed, her friends decided to prese…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2426 For any school, it is hard to find a feasible accommodation plan with every student assigned to a suitable apartment while keeping everyone happy, let alone an optimal one. Recently the president of…

题目传送门 /* 题意:告诉一个区间[L,R],问根节点的n是多少 DFS+剪枝:父亲节点有四种情况:[l, r + len],[l, r + len - 1],[l - len, r],[l - len -1,r]; */ #include <cstdio> #include <algorithm> #include <cstring> #include <cmath> #include <queue> using namespace std;…

Interesting drink 题目链接: http://codeforces.com/contest/706/problem/B Description Vasiliy likes to rest after a hard work, so you may often meet him in some bar nearby. As all programmers do, he loves the famous drink "Beecola", which can be bough…

I passionately enjoy working with commands as they offer more control over a Linux system than GUIs(Graphical User Interfaces) applications, therefore am always on the look out to discover or figure out interesting ways and ideas to make Linux so eas…

// 多校1005 HDU5785 Interesting // 题意:给你一个串,求相邻两个回文串左边端点*右边端点的和 // 思路:马拉车算出最长回文半径,求一个前缀和,既得到每个点对答案的贡献. // ans=L[i]*R[i-1] // L[i] 以i开始的所有回文串结尾坐标的和 // R[i] 以i结尾的所有回文串开始坐标的和 // 这题我们关键是求L[] R[] // 另开两个数组a[] b[] 分别记录当前点对答案贡献 和每个点出现的次数 // #pragma comment(li…

Scarily interesting! 题目链接: http://acm.hust.edu.cn/vjudge/contest/126546#problem/D Description This year at Monsters University it is decided to arrange Scare Games. At the Games all campus gathers at the stadium stands, and the Scare program students…

Interesting visualization tools for profiling. http://dtrace.org/blogs/brendan/2012/03/17/linux-kernel-performance-flame-graphs/ http://dtrace.org/blogs/brendan/2013/07/01/detecting-outliers/…

题目链接:D. A and B and Interesting Substrings 题目大意 给定26个小写字母的权值,一共26个整数(有正有负). 给定一个小写字母组成的字符串(长度10^5),求有多少长度大于1的子串满足: 1)首尾字符相同. 2)除了首尾字符外,其他字符的权值和为0. 题目分析 使用STL Map.开26个Map,给每个字母开一个. 先求出权值的前缀和 Sum[] . 然后1到l枚举每一位字符,如果是a,那么 Ans += Map[a][Sum[i - 1]]; 然后 +…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Solve this interesting problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1731    Accepted Submission(s): 519 Problem Description…

题目链接:Codeforces 482B Interesting Array 题目大意:给定一个长度为N的数组,如今有M个限制,每一个限制有l,r,q,表示从a[l]~a[r]取且后的数一定为q,问是 否有满足的数列. 解题思路:线段树维护.每条限制等于是对l~r之间的数或上q(取且的性质,对应二进制位一定为1).那么处理全然部的 限制.在进行查询.查询相应每一个l~r之间的数取且是否还等于q.所以用线段树维护取且和.改动为或操作. #include <cstdio> #include <…

Mishka and Interesting sum time limit per test 3.5 seconds memory limit per test 256 megabytes input standard input output standard output Little Mishka enjoys programming. Since her birthday has just passed, her friends decided to present her with a…

题目描述 D. Mishka and Interesting sum的意思就是给出一个数组,以及若干询问,每次询问某个区间[L, R]之间所有出现过偶数次的数字的异或和. 这个东西乍看很像是经典问题,一列数字中所有数字出现偶数次,除了一个数字只出现一次,找出那个只出现过一次的数字.然而这个问题并不是要找出现奇数次数字的异或和. 算法 有一个直观的思路是求出[L, R的异或和,再异或上[L, R]之间所有出现过的数字的异或和.这样的话就可以使得数字出现次数的奇偶性发生变化. 那么怎么求出区间[L,…

No doubt everybody knows that iPhone 8 & iPhone X appear on the market. A feature called FaceID draws my attention. It's really a revolution of recognition and a new way to unlock and authenticate. Like Apple says, "Your face is now your password…

新概念英语(1-53)An interesting  climate What's the favourite subject of conversation in England? A:Where do you come from? B:I come from England? A:What's the climate like in your country? B:It's mild, but it's not always pleasant.(宜人的) A:The weather's of…

C++ Interesting卡常数 作为一名OIer,在Noip中卡(kǎ 我就爱读kǎ)常数可以说是必备技巧.在此总结一下我所知卡常数的神奇手法: IO优化 fread 和 fwrite ,如果还想再优化有mmap....(然而并不会用,好像也没用...) 读入优化(这个非常重要!!!!!!!) inline int Read() { int x=0,f=1;char c=getchar(); while(c>'9'||c<'0') {if(c=='-') f=-1;c=getchar()…

[CF703D]Mishka and Interesting sum/[BZOJ5476]位运算 题目大意: 一个长度为\(n(n\le10^6)\)的序列\(A\).\(m(m\le10^6)\)次询问,每次询问区间\([l,r]\)中,出现次数为偶数的数的异或和. 思路: 将询问离线,按照右端点排序.从左到右加入每一个数,并在该数上一次出现的位置算上贡献.显然,若一个数出现了\(x\)次,则只有\(x-1\)次对答案有贡献.这可以用树状数组维护.时间复杂度\(\mathcal O((n+m)…

Sasha and Interesting Fact from Graph Theory n 个 点形成 m 个有标号森林的方案数为 F(n, m) = m * n ^ {n - 1 - m} 然后就没啥难度了... #include<bits/stdc++.h> #define LL long long #define LD long double #define ull unsigned long long #define fi first #define se second #defin…

CF1109D Sasha and Interesting Fact from Graph Theory 这个 \(D\) 题比赛切掉的人基本上是 \(C\) 题的 \(5,6\) 倍...果然数学计数问题比数据结构更受欢迎... 以下大致翻译自官方题解. 枚举 \(a\to b\) 路径上边的数目,记为 \(edges\) . 先来考虑给定的两个点路径上的 \(edges-1\) 个点(不含 \(a,b\) )和 \(edge\) 条边. 节点有\(edges-1\)个,顺序不同则最后的树不同…

20 Interesting WPF Projects on CodePlex (Some for Silverlight too) Pete Brown - 22 November 2010   In no particular order, here's a selection of interesting and recently maintained WPF projects I've found on CodePlex. This is by no means a complete l…