A simple water problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 173    Accepted Submission(s): 112 Problem Description Dragon is watching competitions on TV. Every competition is held be…

HDU 4974 A simple water problem pid=4974" target="_blank" style="">题目链接 签到题,非常easy贪心得到答案是(sum + 1) / 2和ai最大值的最大值 代码: #include <cstdio> #include <cstring> #include <algorithm> using namespace std; const int N =…

题意:N个队(N <= 100000),每一个队有个总分ai(ai <= 1000000),每场比赛比赛两方最多各可获得1分,问最少经过了多少场比赛. 题目链接:http://acm.hdu.edu.cn/showproblem.php? pid=4974 -->>我们应该尽量使每场比赛的得分为1 : 1.这样能够达到最少的比赛场数(不小于单个队伍的分数). 如果有2场比赛的比分为1 : 0, 1)a : b = 1 : 0,c : d = 1 : 0.这时能够安排a : c =…

题目链接 题意 : n支队伍,每场两个队伍表演,有可能两个队伍都得一分,也可能其中一个队伍一分,也可能都是0分,每个队伍将参加的场次得到的分数加起来,给你每个队伍最终得分,让你计算至少表演了几场. 思路 : ans = max(maxx,(sum+1)/2) :其实想想就可以,如果所有得分中最大值没有和的一半大,那就是队伍中一半一半对打,否则的话最大的那个就都包了. #include <cstdio> #include <cstring> #include <stdlib.h…

http://acm.hdu.edu.cn/showproblem.php?pid=4974 话说是签到题,我也不懂什么是签到题. A simple water problem Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 196    Accepted Submission(s): 124 Problem Description Dr…

3489: A simple rmq problem Time Limit: 40 Sec  Memory Limit: 600 MBSubmit: 1594  Solved: 520[Submit][Status][Discuss] Description 因为是OJ上的题,就简单点好了.给出一个长度为n的序列,给出M个询问:在[l,r]之间找到一个在这个区间里只出现过一次的数,并且要求找的这个数尽可能大.如果找不到这样的数,则直接输出0.我会采取一些措施强制在线. Input 第一行为两个整…

A Simple Tree Problem Time Limit: 3 Seconds      Memory Limit: 65536 KB Given a rooted tree, each node has a boolean (0 or 1) labeled on it. Initially, all the labels are 0. We define this kind of operation: given a subtree, negate all its labels. An…

http://acm.hdu.edu.cn/showproblem.php?pid=4976 2014 Multi-University Training Contest 10 1006 A simple greedy problem. Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 20    Accepted Submission(s…

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A Simple Math Problem Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2441    Accepted Submission(s): 1415 Problem Description Lele now is thinking about a simple function f(x). If x < 10 f(x) =…