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Countries in War Time Limit: 1000MS Memory Limit: 65536K Description In the year 2050, after different attempts of the UN to maintain peace in the world, the third world war broke out. The importance of industrial, commercial and military secrets obl…
static final String[] COUNTRIES = new String[] { "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra", "Angola", "Anguilla", "Antarctica", "Antigua and Barbud…
Countries   描述 There are two antagonistic countries, country A and country B. They are in a war, and keep launching missiles towards each other. It is known that country A will launch N missiles. The i-th missile will be launched at time Tai. It flie…
题目链接: Countries 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 There are two antagonistic countries, country A and country B. They are in a war, and keep launching missiles towards each other. It is known that country A will launch N missiles. The i-th missil…
                                Countries in War Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 3672   Accepted: 1057 Description In the year 2050, after different attempts of the UN to maintain peace in the world, the third world war b…
官方题解: // 离线树状数组 hihocoder 1391 Countries #include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <vector> #include <math.h> #include <memory.h> using namespace std; #define LL long l…
#1391 : Countries 时间限制:1000ms 单点时限:1000ms 内存限制:256MB 描述 There are two antagonistic countries, country A and country B. They are in a war, and keep launching missiles towards each other. It is known that country A will launch N missiles. The i-th miss…
POJ 3114 Countries in War 题目链接 题意:给定一个有向图.强连通分支内传送不须要花费,其它有一定花费.每次询问两点的最小花费 思路:强连通缩点后求最短路就可以 代码: #include <cstdio> #include <cstring> #include <vector> #include <queue> #include <stack> #include <algorithm> using namesp…
Countries 题目链接:http://hihocoder.com/problemset/problem/1391 预处理+双指针 首先将A->B,B->A的导弹全部转化为B->A的导弹(因为不需要计算B承受的伤害,所以对于A->B的导弹,只需记录被B的防护罩返回来的导弹即可). 然后对于每个导弹计算将其反弹回B,A所需要的最小的防护罩区间[l,r](这个操作在O(1)的时间完成,画张图就很好推了) 于是问题就转化为了: 数轴上有一些固定区间,每个固定区间都有一个权值,现在有一…
前言: Gephi(以下内容基于0.9.2)比较擅长用来处理社会网络分析,其自身以及插件对地理数据的支持非常不足.主要有以下几点: 1.map of countries这个插件可以在gephi底图上以指定坐标系显示各个国家.洲际底图. 1)其本身已经非常古老了,而且中国地图上没有XX省...你懂的. 2)其底图是作为节点和边插入数据中来展示的,因此会影响数据的计算,故而必须在最后一步插入. 2.无法导入包含节点信息的边数据,比如你的表头是: 导入后,lng和lat并不会作为节点的属性数据,要命的…