可以出模拟赛T1? #include <bits/stdc++.h> #define N 5002 #define inf 1000000 #define setIO(s) freopen(s".in","r",stdin) using namespace std; int f[N],h[N]; double slope(int i,int j) { double dx=(double)i-j; double dy=(double)(h[i]-h[j])…

Description Farmer Ron in Colorado is building a ski resort for his cows (though budget constraints dictate construction of just one ski lift). The lift will be constructed as a monorail and will connect a concrete support at the starting location to…

Description Farmer Ron in Colorado is building a ski resort for his cows (though budget constraints dictate construction of just one ski lift). The lift will be constructed as a monorail and will connect a concrete support at the starting location to…

[USACO2006 Mar] 滑雪缆车 skilift Time Limit 1000 msMemory Limit 131072 KBytes Description 科罗拉多州的罗恩打算为奶牛建造一个滑雪场,为此要在山上规划一条缆车线路. 整座山可以用一条折线来描述,该折线有N个拐点,起点是1,终点是N.每个拐点的高度为Hi,相邻两个拐点之间的水平距离都是1. 缆车线路必须从起点开始修建,结束于终点.中间可以选择一些拐点安放缆绳的支柱,安全标准有两点:第一,缆绳的跨度有限制——相邻支柱的水…

[BZOJ1659][Usaco2006 Mar]Lights Out 关灯 试题描述 奶牛们喜欢在黑暗中睡觉.每天晚上,他们的牲口棚有L(3<=L<=50)盏灯,他们想让亮着的灯尽可能的少.他们知道按钮开关的位置,但喜闻乐见的是他们并没有手指.你得到了一个长度为T(1<=T<=7)的插槽用以帮助奶牛们改变灯的状态. 输入 第一行,两个整数L和T.第二行给出一个长度为L的01串表示初始灯的状态,0表示灯是灭的,1表示灯是亮的.第三行给出一个长度为T的01串,表示你获得的插槽. 输出…

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…

题目链接 bzoj1722: [Usaco2006 Mar] Milk Team Select 产奶比赛 题解 dp[i][j][0 / 1] 以i为根的子数中 相邻点对选了j个的最大价值 代码 #include<vector> #include<cstdio> #include<cstring> #include<algorithm> #define gc getchar() #define pc putchar inline int read() { i…

1722: [Usaco2006 Mar] Milk Team Select 产奶比赛 https://www.lydsy.com/JudgeOnline/problem.php?id=1722 分析: f[u][i][0/1]表示子树u中,有i对相邻的点,最大和是多少. 代码: #include<cstdio> #include<algorithm> #include<cstring> #include<cmath> #include<iostrea…