Queue Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5493 Description N people numbered from 1 to N are waiting in a bank for service. They all stand in a queue, but the queue never moves. It is lunch time now,…

Queue Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 862    Accepted Submission(s): 449 Problem Description N people numbered from 1 to N are waiting in a bank for service. They all stand in a…

Queue Problem Description N people numbered from 1 to N are waiting in a bank for service. They all stand in a queue, but the queue never moves. It is lunch time now, so they decide to go out and have lunch first. When they get back, they don’t remem…

题意:在一个队列中,你知道一个人在他左边或者右边比他高的人的个数,求字典序最小的答案 思路:先将人按  矮-->高 排序,然后算出在每个人前面需要预留的位置.树状数组(也可以线段树)解决时,先二分查找合适的位置,如果合理则标记,每次查找时    枚举的人数 - 前面已占的人数 = 可预留位置 判断分别在它左边 或者 右边时可能的最小值进行比较. 预留的位置①:pnode[i].num(即比他高的人数,全在左) ②:n - ( pnode[i].num + i) (当比他高,和前面加入的全在右边时…

Inversion Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5497 Description 你有一个序列\{a_1,a_2,...,a_n\}{a​1​​,a​2​​,...,a​n​​},然后你可以删除一个长度为mm的连续子序列. 问如何删除才能使逆序对最少. Input 输入有多组数据, 第一行有一个整数TT表示测试数据的组数. 对于每组数据: 第一行包含2个…

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2048    Accepted Submission(s): 805 Problem Description Recently, dobby is addicted in the Fruit Ninja. As you know, dobby is a free elf, so unlik…

Reference: http://blog.csdn.net/me4546/article/details/6333225 题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=2838 题目大意:每头牛有个愤怒值,每次交换相邻两个数进行升序排序,$cost=val_{1}+val_{2}$,求$\min \sum cost_{i}$ 解题思路: 按输入顺序DP: 第i的值val的最小cost=当前数的逆序数个数*val+当前数的逆序数和 相当于每次只…

Sort it Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4110    Accepted Submission(s): 2920 Problem Description You want to processe a sequence of n distinct integers by swapping two adjacent s…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4046 When I wrote down this letter, you may have been on the airplane to U.S. We have known for 15 years, which has exceeded one-fifth of my whole life. I still remember the first time we went to the mov…

三维树状数组模版.优化不动了. #include <set> #include <map> #include <stack> #include <cmath> #include <queue> #include <cstdio> #include <string> #include <vector> #include <iomanip> #include <cstring> #inclu…