POJ2182 Lost Cows 题解 描述 有\(N\)(\(2 <= N <= 8,000\))头母牛,每头母牛有自己的独一无二编号(\(1..N\)). 现在\(N\)头母牛站成一列,已知每头母牛前面编号比它小的母牛数量,求每头母牛的编号. 输入格式 第1行 : 一个整数 \(N\) 第2..N行 : 从 第2头母牛到第N头母牛 的 前面编号比它小的母牛数量 样例输入 5 1 2 1 0 样例输出 2 4 5 3 1 题解 先手造一组数据 2 1 5 4 3 // 编号序列 设比第\(…

线段树 Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, they visited the neighborhood 'watering hole' and drank a few too many beers before dinner. When it was time to line up for the…

[BZOJ 1652][USACO 06FEB]Treats for the Cows Description FJ has purchased N (1 <= N <= 2000) yummy treats for the cows who get money for giving vast amounts of milk. FJ sells one treat per day and wants to maximize the money he receives over a given…

题意 Language:Default Lost Cows Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13448 Accepted: 8559 Description N (2 <= N <= 8,000) cows have unique brands in the range 1..N. In a spectacular display of poor judgment, they visited the neig…

Popular Cows Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 29642   Accepted: 11996 Description Every cow's dream is to become the most popular cow in the herd. In a herd of N (1 <= N <= 10,000) cows, you are given up to M (1 <= M &…

题面 Poj 题解 不难发现最后一位就是\(pre[n]+1\),然后消除这个位置对其他位置的贡献,从左到右扫一遍,必定有至少一个位置可以得出,循环这个过程,\(O(n^2)\)出解. #include <cmath> #include <cstdio> #include <cstring> #include <algorithm> using std::min; using std::max; using std::swap; using std::sor…

SP740 TRT - Treats for the Cows 题目描述 FJ has purchased N (1 <= N <= 2000) yummy treats for the cows who get money for giving vast amounts of milk. FJ sells one treat per day and wants to maximize the money he receives over a given period time. The tr…

P2858 [USACO06FEB]奶牛零食Treats for the Cows 题目描述 FJ has purchased N (1 <= N <= 2000) yummy treats for the cows who get money for giving vast amounts of milk. FJ sells one treat per day and wants to maximize the money he receives over a given period ti…

P3088 [USACO13NOV]挤奶牛Crowded Cows 题目描述 Farmer John's N cows (1 <= N <= 50,000) are grazing along a one-dimensional fence. Cow i is standing at location x(i) and has height h(i) (1 <= x(i),h(i) <= 1,000,000,000). A cow feels "crowded"…

blog题解鸽了许久了..本来说好的切一题写一个题解的说 一个$1 \sim n$数列,已知每个数前面比他小的数个数,试确定该序列. 相当的一道水题.可以发现数列最后一个数是首先可以确定下来的.然后把这个数扔掉,看数列倒数第二个数前面有多少更小的其实就是目前剩下的数中的排名.相当于有一颗$n$个点的$1 \sim n$的平衡树,每次查一个排名,找出这个数,并删掉.但是并不想打平衡树.因为这题的操作只涉及简单的删除和查rank操作,可以考虑用BIT代替平衡树.具体是因为BIT本身就是具有树形二分结…