http://acm.hdu.edu.cn/showproblem.php?pid=5124 lines Problem Description: John has several lines. The lines are covered on the X axis. Let A is a point which is covered by the most lines. John wants to know how many lines cover A. Input: The firs…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5124 题意:给你n段区间,他们有重合的点A,问你重合最多次的点A重合多少次 题解:对区间离散化后,维护区间最大值 #include<stdio.h> #include<string.h> #include<algorithm> #define LL long long #define MAX 100100 using namespace std; int s[MAX],e[…
http://acm.hdu.edu.cn/showproblem.php?pid=5124 lines Time Limit: 5000/2500 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1362 Accepted Submission(s): 566 Problem Description John has several lines. The lines are…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5124 题目意思:给出 n 条线段,每条线段用两个整数描述,对于第 i 条线段:xi,yi 表示该条线段的左端点和右端点.设 A 表示最多线段覆盖的点(当然这个 A 可以有多个啦,但这个无关紧要).现在需要求的是 A 被多少条线段覆盖. 我是不会做啦.......一开始还看不懂题目= = 以下是按照题解做的, 题解中的最大区间和,实际上就是求最大连续子序列的和. (1)版本1 906 MS #in…
http://acm.hdu.edu.cn/showproblem.php?pid=5124 Problem Description John has several lines. The lines are covered on the X axis. Let A is a point which is covered by the most lines. John wants to know how many lines cover A. Input The first line con…
HUD——1083 Courses Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 7699 Accepted Submission(s): 3781 Problem Description Consider a group of N students and P courses. Each student visits z…
关键点: <!--实现原理:要保证这两个canvas相互重叠;z-index表示了两个画布的上下层关系--> <!--是WEBGL的三维图形Canvas(主要用于绘制三维场景)--> "> Please use a browser that supports "canvas" </canvas> <!--二维的HUD的canvas(主要用于绘制HUD信息)--> "></canvas> js核心…