https://codeforces.com/problemset/problem/51/C 题目 The New Vasjuki village is stretched along the motorway and that's why every house on it is characterized by its shift relative to some fixed point — the xi coordinate. The village consists of n house…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3879 A famous mobile communication company is planning to build a new set of base stations. According to the previous investigation, n places are chosen as the possible new locations to build those new s…

时间限制: 1 Sec 内存限制: 128 MB 5G is the proposed next telecommunications standards beyond the current 4G standards. 5G planning aims at higher capacity than current 4G, allowing a higher density of mobile broadband users, and supporting device-to- device,…

Base Station Time Limit: 2000ms Memory Limit: 32768KB This problem will be judged on HDU. Original ID: 3879 64-bit integer IO format: %I64d      Java class name: Main A famous mobile communication company is planning to build a new set of base statio…

In the Personal Communication Service systems such as GSM (Global System for Mobile Communications), there are typically a number of base stations spreading around the service area. The base stations are arranged in a cellular structure, as shown in…

Mobile phones Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 14489   Accepted: 6735 Description Suppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The…

Mobile phones Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 14391   Accepted: 6685 Description Suppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The…

Mobile phones Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 18489   Accepted: 8558 Description Suppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The…

OS X Programs OS X supports a wide range of packet trace programs, as described in the following sections. Charles HTTP Proxy Charles is an HTTP proxy that allows you to view all of the HTTP and HTTPS traffic between your machine and the Internet. CP…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=4822 Problem Description Three countries, Red, Yellow, and Blue are in war. The map of battlefield is a tree, which means that there are N nodes and (N – 1) edges that connect all the nodes. Each country…