链接 类似最大矩阵 sum存下 枚举最大就是 #include <iostream> #include<cstdio> #include<cstring> #include<algorithm> #include<stdlib.h> using namespace std; ][],o[][]; int main() { int i,j,n,w,h,a,b; while(scanf("%d",&n)&&…
http://poj.org/problem?id=2029 单点修改 矩阵查询 二维线段树 #include<cstdio> #include<cstring> #include<iostream> #include<algorithm> using namespace std; int w,h; int x,y; int xl,yl,xr,yr; #define N 101 ][N<<]; int cnt; void read(int &am…
Get Many Persimmon Trees Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 3243 Accepted: 2113 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 orde…
Get Many Persimmon Trees Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 3656   Accepted: 2378 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…
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…
Get Many Persimmon Trees Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 3987 Accepted: 2599 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 orde…
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…
B. Get Many Persimmon Trees Time Limit: 1000ms Memory Limit: 30000KB 64-bit integer IO format: %lld      Java class name: Main Submit Status 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…