Disharmony Trees Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Description One day Sophia finds a very big square. There are n trees in the square. They are all so tall. Sophia is very interesting in them.…

Problem Description One day Sophia finds a very big square. There are n trees in the square. They are all so tall. Sophia is very interesting in them.She finds that trees maybe disharmony and the Disharmony Value between two trees is associated with…

Disharmony Trees Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 663    Accepted Submission(s): 307 Problem Description One day Sophia finds a very big square. There are n trees in the square. T…

题意:给你n棵树,每棵树上有两个权值X H 对于X离散化 :3 7 1 5 3 6 -> 2 6 1 4 2 5,对于H一样 然后F = abs(X1-X2)   S=min(H1,H2) 求出每一对F*S的总和 可以看到一边是求每个数与其他数的最小值,一边是求每个数与其他数的差距.因此我们可以排序一边,处理另一边. 我们排序H,因为这样对于固定一个Xi Hi,从小到大每次都是Hi去乘以Xi与剩下的所有X的差的总和. 这样我们就可以使用树状数组维护两个值:每个位置值的个数,每个位置值的总大小,接…

Get Many Persimmon Trees Time Limit:1000MS    Memory Limit:30000KB    64bit IO Format:%I64d & %I64u SubmitStatusPracticePOJ 2029 Description Seiji Hayashi had been a professor of the Nisshinkan Samurai School in the domain of Aizu for a long time in…

Description Seiji Hayashi had been a professor of the Nisshinkan Samurai School in the domain of Aizu for a long time in the 18th century. In order to reward him for his meritorious career in education, Katanobu Matsudaira, the lord of the domain of…

题目链接 题意 : 给你每个柿子树的位置,给你已知长宽的矩形,让这个矩形包含最多的柿子树.输出数目 思路 :数据不是很大,暴力一下就行,也可以用二维树状数组来做. #include <stdio.h> #include <string.h> #include <iostream> using namespace std ; ][] ; int main() { int N ,S,T ,W,H; while(scanf("%d",&N) !=…

<题目链接> 题目大意: 给你一个H*W的矩阵,再告诉你有n个坐标有点,问你一个w*h的小矩阵最多能够包括多少个点. 解题分析:二维树状数组模板题. #include <cstdio> #include <cstring> #include <algorithm> using namespace std; +; int tr[M][M]; int n,W,H,w,h; int lowbit(int x){return x&(-x);} void ad…

题意:给出一个h*w的矩形,再给出n个坐标,在这n个坐标种树,再给出一个s*t大小的矩形,问在这个s*t的矩形里面最多能够得到多少棵树 二维的树状数组,求最多能够得到的树的时候,因为h,w都不超过500,直接暴力 #include<iostream> #include<cstdio> #include<cstring> #include <cmath> #include<stack> #include<vector> #include…

Description Seiji Hayashi had been a professor of the Nisshinkan Samurai School in the domain of Aizu for a long time in the 18th century. In order to reward him for his meritorious career in education, Katanobu Matsudaira, the lord of the domain of…