链接:https://ac.nowcoder.com/acm/contest/993/E 来源:牛客网 对牛排序 时间限制:C/C++ 1秒,其他语言2秒 空间限制:C/C++ 32768K,其他语言65536K 64bit IO Format: %lld 题目描述 Farmer John正在尝试将他的N头奶牛(1≤N≤100),方便起见编号为1-N,在她们前往牧草地吃早餐之前排好顺序. 当前,这些奶牛以p1,p2,p3,-,pN的顺序排成一行,Farmer John站在奶牛p1前面.他想要重新

P5200 [USACO19JAN]Sleepy Cow Sorting 题目描述 Farmer John正在尝试将他的N头奶牛(1≤N≤10^5),方便起见编号为1…N,在她们前往牧草地吃早餐之前排好顺序. 当前,这些奶牛以p1,p2,p3,…,pN的顺序排成一行,Farmer John站在奶牛p1前面.他想要重新排列这些奶牛,使得她们的顺序变为1,2,3,…,N,奶牛1在Farmer John旁边. 今天奶牛们有些困倦,所以任何时刻都只有直接面向Farmer John的奶牛会注意听Farme

1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 631  Solved: 445[Submit][Status][Discuss] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height

1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 489  Solved: 338[Submit][Status] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the

1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 526  Solved: 365[Submit][Status] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the

Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the range 1..2,000,000,000 nanometers (FJ really is a stickler for precision). Each cow moos at some volume v in th

题目描述 Farmer John要带着他的N头奶牛,方便起见编号为1…N,到农业展览会上去,参加每年的达牛秀!他的第iii头奶牛重量为wi,才艺水平为ti​,两者都是整数. 在到达时,Farmer John就被今年达牛秀的新规则吓到了: (一)参加比赛的一组奶牛必须总重量至少为W(这是为了确保是强大的队伍在比赛,而不仅是强大的某头奶牛),并且 (二)总才艺值与总重量的比值最大的一组获得胜利. FJ注意到他的所有奶牛的总重量不小于W,所以他能够派出符合规则(一)的队伍.帮助他确定这样的队伍中能够达

http://www.lydsy.com/JudgeOnline/problem.php?id=1657 这一题一开始我想到了nlog^2n的做法...显然可做,但是麻烦.(就是二分+rmq) 然后我仔细的想了想,恩,对,单调栈可以完成...他们有传递性的.. 然后你懂的.. #include <cstdio> #include <cstring> #include <cmath> #include <string> #include <iostrea

1657: [Usaco2006 Mar]Mooo 奶牛的歌声 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 961  Solved: 679[Submit][Status][Discuss] Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height

题目链接:http://www.lydsy.com/JudgeOnline/problem.php?id=1657 题意: Farmer John的N(1<=N<=50,000)头奶牛整齐地站成一列“嚎叫”. 每头奶牛有一个确定的高度h(1<=h<=2000000000),叫的音量为v (1<=v<=10000). 每头奶牛的叫声向两端传播,但在每个方向都只会被身高严格大于它的最近的一头奶牛听到,所以每个叫声都只会被0,1,2头奶牛听到(这取决于它的两边有没有比它高的奶

Description Farmer John's N (1 <= N <= 50,000) cows are standing in a very straight row and mooing. Each cow has a unique height h in the range 1..2,000,000,000 nanometers (FJ really is a stickler for precision). Each cow moos at some volume v in th

1667: [Usaco2006 Oct]Cows on Skates滑旱冰的奶牛 Description 经过跟Farmer John长达数年的谈判,奶牛们终于如愿以偿地得到了想要的旱冰鞋.农场上大部分的区域都很平整,适合在上面滑动,但有一些小块的土地上有很多的岩石,凭奶牛们的旱冰技术,是没有办法通过的. 农场可以看成一个被划分成R(1<=R<=113)行C(1<=C<=77)列的矩阵.快要开饭了,贝茜发现自己在坐标为(1,1)的格子里,并且她想赶到坐标为(R,C)的牛棚去享用她

A - 棋盘问题:在一个给定形状的棋盘(形状可能是不规则的)上面摆放棋子,棋子没有区别.要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列,请编程求解对于给定形状和大小的棋盘,摆放k个棋子的所有可行的摆放方案C. 解题思路:DFS,在这里有两个搜索方向,同时对每个位置的描述由xy坐标完成,第一次我尝试使用pair+vector保存棋盘位置,用两个数组描述放过棋子的行和列但是由于清除标记没做好WA了.这里是因为DFS搜索中状态转移没确定好,导致清楚标记复杂而出错,改为逐行递归逐列遍历.在这里

River Hopscotch Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 11031   Accepted: 4737 Description Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jumping from rock to rock in a river.

  开关题   尺度法  Fliptile Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 3394   Accepted: 1299 Description Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for

Description 作为对奶牛们辛勤工作的回报,Farmer John决定带她们去附近的大城市玩一天.旅行的前夜,奶牛们在兴奋地讨论如何最好地享受这难得的闲暇. 很幸运地,奶牛们找到了一张详细的城市地图,上面标注了城市中所有L(2 <= L <= 1000)座标志性建筑物(建筑物按1..L顺次编号),以及连接这些建筑物的P(2 <= P <= 5000)条道路.按照计划,那天早上Farmer John会开车将奶牛们送到某个她们指定的建筑物旁边,等奶牛们完成她们的整个旅行并回到出

线段树.. --------------------------------------------------------------------------------- #include<cstdio> #include<algorithm> #include<cstring> #include<iostream>   #define rep( i , n ) for( int i = 0 ; i < n ; ++i ) #define clr(

Description Farmer John最近发明了一个游戏,来考验自命不凡的贝茜.游戏开始的时 候,FJ会给贝茜一块画着N (2 <= N <= 200)个不重合的点的木板,其中第i个点 的横.纵坐标分别为X_i和Y_i (-1,000 <= X_i <=1,000: -1,000 <= Y_i <= 1,000). 贝茜可以选两个点画一条过它们的直线,当且仅当平面上不存在与画出直线 平行的直线.游戏结束时贝茜的得分,就是她画出的直线的总条数.为了在游戏 中胜出,

1230: [Usaco2008 Nov]lites 开关灯 Time Limit: 10 Sec  Memory Limit: 162 MBSubmit: 1162  Solved: 589[Submit][Status] Description Farmer John尝试通过和奶牛们玩益智玩具来保持他的奶牛们思维敏捷. 其中一个大型玩具是牛栏中的灯. N (2 <= N <= 100,000) 头奶牛中的每一头被连续的编号为1..N, 站在一个彩色的灯下面.刚到傍晚的时候, 所有的灯都是关

1620: [Usaco2008 Nov]Time Management 时间管理 Time Limit: 5 Sec  Memory Limit: 64 MBSubmit: 506  Solved: 306[Submit][Status] Description Ever the maturing businessman, Farmer John realizes that he must manage his time effectively. He has N jobs convenien