描述A city is served by a number of fire stations. Some residents have complained that the distance from their houses to the nearest station is too far, so a new station is to be built. You are to choose the location of the fire station so as to reduce…

题目链接: http://poj.org/problem?id=2607 Description A city is served by a number of fire stations. Some residents have complained that the distance from their houses to the nearest station is too far, so a new station is to be built. You are to choose t…

Fire Station Time Limit: 5000ms Memory Limit: 65536KB This problem will be judged on PKU. Original ID: 260764-bit integer IO format: %lld      Java class name: Main   A city is served by a number of fire stations. Some residents have complained that…

题意: N个点.再点上建M个消防站. 问消防站到每一个点的最大距离的最小是多少. 思路: DLX直接二分推断TLE了. 这时候一个非常巧妙的思路 我们求的距离一定是两个点之间的距离 因此我们把距离都求一遍排序一下. 然后用下标二分  这样就AC了. 代码: #include"stdio.h" #include"algorithm" #include"string.h" #include"iostream" #include&q…

Building Fire Stations Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3820 Description Marjar University is a beautiful and peaceful place. There are N buildings and N - 1 bidirectional roads…

Building Fire Stations Time Limit: 5 Seconds      Memory Limit: 131072 KB      Special Judge Marjar University is a beautiful and peaceful place. There are N buildings and N - 1 bidirectional roads in the campus. These buildings are connected by road…

B - Building Fire Stations Time Limit:5000MS     Memory Limit:131072KB     64bit IO Format:%lld & %llu Submit Status Practice ZOJ 3820 Appoint description:  System Crawler  (2015-08-15) Description Marjar University is a beautiful and peaceful place.…

C - Fire Station Description A city is served by a number of fire stations. Some residents have complained that the distance from their houses to the nearest station is too far, so a new station is to be built. You are to choose the location of the f…

解题报告: Fence Repair Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 39958   Accepted: 13033 Description Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 2…

转自:http://blog.csdn.net/shahdza/article/details/7986037 POJ3740 Easy Finding [精确覆盖基础题]HUST1017 Exact cover [精确覆盖基础]HDOJ3663 Power Stations [精确覆盖]ZOJ3209 Treasure Map [精确覆盖]HDOJ2828 Lamp [精确覆盖+重复覆盖判独]HDOJ3498 whosyourdaddy [重复覆盖]HDOJ3529 Bomberman - J…