题目连接:2326 - Moving Tables 题目大意:在一个走廊上有400个教室, 先在有一些桌子要移动, 每次移动需要十分钟, 但是不同房间的桌子可以在同一个十分钟内移动,只要走廊没有被占用就可以, 注意教室序号1 和 2 是在对面. 注意:给出的区间没有分左边或者是右边比较大. 解题思路:区间覆盖问题, 将所有给出的区间处理一下, 去除对面房间这样的情况. 让后将区间按照l 和 r 的值进行排序, 然后看进行几次区间覆盖可以使得所有区间均被用上. #include <stdio.h>…

The famous ACM (Advanced Computer Maker) Company has rented a floor of a building whose shape is in the following figure. The floor has 200 rooms each on the north side and south side along the corridor. Recently the Company made a plan to reform its…

把房间号映射在一条坐标上,然后排序,最后找从左到右找一次可行的计划,最后找从左到右找一次可行的计划,最后找从左到右找一次可行的计划,最后找从左到右找一次可行的计划, ............ 次数*10就是答案 #include<iostream> #include<algorithm> #include<cstdio> #include<cstring> using namespace std; struct node { int s,e; }; istr…

Moving Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 24316    Accepted Submission(s): 8053 Problem Description The famous ACM (Advanced Computer Maker) Company has rented a floor of a b…

Moving Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14418    Accepted Submission(s): 4939 Problem Description The famous ACM (Advanced Computer Maker) Company has rented a floor of a b…

The famous ACM (Advanced Computer Maker) Company has rented a floor of a building whose shape is in the following figure. The floor has 200 rooms each on the north side and south side along the corridor. Recently the Company made a plan to reform its…

Moving Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45555    Accepted Submission(s): 14817 Problem Description The famous ACM (Advanced Computer Maker) Company has rented a floor of a…

 Moving Tables Time Limit: 1 Sec  Memory Limit: 64 MB Submit: 1182  Solved: 563 Description The famous ACM (Advanced Computer Maker) Company has rented a floor of a building whose shape is in the following figure. The floor has 200 rooms each on the…

pid=1050">Moving Tables Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 19156    Accepted Submission(s): 6532 Problem Description The famous ACM (Advanced Computer Maker) Company has rented…

http://acm.hdu.edu.cn/showproblem.php?pid=4509 题目大意: 中文意义,应该能懂. 解题思路: 因为题目给的时间是一天24小时,而且还有分钟.为了解题方便,我们将小时换成分钟,那么一天24小时,总共有1440分钟.顾我就可以把一天里的任意HH:MM时间换成分钟.就这样一天的时间就变成[0,1440]区间了. 因为所给的活动最多是5*10^5,如果把活动的时间在线段[0,1440]都修改,那么时间的复杂度最坏是O(5*10^5*1440). (1)方法一…