题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5954 Problem DescriptionYou have got a cylindrical cup. Its bottom diameter is 2 units and its height is 2 units as well.The height of liquid level in the cup is d (0 ≤ d ≤ 2). When you incline the cup t…

题目链接 Problem Description You have got a cylindrical cup. Its bottom diameter is 2 units and its height is 2 units as well.The height of liquid level in the cup is d (0 ≤ d ≤ 2). When you incline the cup to the maximal angle such that the liquid insid…

#include<bits/stdc++.h> using namespace std; #define rep(i,a,b) for(int i=a;i<=b;++i) #define ms(arr,a) memset(arr,a,sizeof arr) #define debug(x) cout<<"< "#x" = "<<x<<" >"<<endl ; const…

HDU 2254 奥运(矩阵高速幂+二分等比序列求和) ACM 题目地址:HDU 2254 奥运 题意:  中问题不解释. 分析:  依据floyd的算法,矩阵的k次方表示这个矩阵走了k步.  所以k天后就算矩阵的k次方.  这样就变成:初始矩阵的^[t1,t2]这个区间内的v[v1][v2]的和.  所以就是二分等比序列求和上场的时候了. 跟HDU 1588 Gauss Fibonacci的算法一样. 代码: /* * Author: illuz <iilluzen[at]gmail.com>…

题目:题目链接 思路:纯高等数学问题,不过不是很好积分,具体积分思路及过程参考大佬博客——https://blog.csdn.net/danliwoo/article/details/53002695 AC代码: #include <iostream> #include <cstdio> #include <algorithm> #include <cmath> #include <iomanip> using namespace std; #d…

http://acm.hdu.edu.cn/showproblem.php?pid=2236 题意:中文题意. 思路:先找出最大和最小值,然后二分差值,对于每一个差值从下界开始枚举判断能不能二分匹配. #include <cstdio> #include <algorithm> #include <iostream> #include <cstring> #include <string> #include <cmath> #incl…

A very hard mathematic problem Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4282 Description Haoren is very good at solving mathematic problems. Today he is working a problem like this: Find three positive in…

Delay Constrained Maximum Capacity Path Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=1839 Description Consider an undirected graph with N vertices, numbered from 1 to N, and M edges. The vertex numbered with…

题目链接: Can you find it? Time Limit: 10000/3000 MS (Java/Others)    Memory Limit: 32768/10000 K (Java/Others)Total Submission(s): 38634    Accepted Submission(s): 9395 Problem Description Give you three sequences of numbers A, B, C, then we give you a…

Rain on your Parade Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 655350/165535 K (Java/Others)Total Submission(s): 2154    Accepted Submission(s): 662 Problem Description You’re giving a party in the garden of your villa by the sea. The pa…