把a[i], b[i]分开来排序 对应位置上的点连边 感性理解这是最小的 会连出若干个环 要使得若干个环连成大环 令a[i]向b[i - 1] 连边 易证一定能使图联通 感性理解这也是最小的 #include<cstdio> #include<algorithm> using namespace std; const int P = 32767; int n, x, y, z, F[1000005]; struct node { int val, id; }a[1000005],…
Search GO 说明:输入题号直接进入相应题目,如需搜索含数字的题目,请在关键词前加单引号 Problem ID Title Source AC Submit Y 1000 A+B Problem 10983 18765 Y 1036 [ZJOI2008]树的统计Count 5293 13132 Y 1588 [HNOI2002]营业额统计 5056 13607 1001 [BeiJing2006]狼抓兔子 4526 18386 Y 2002 [Hnoi2010]Bounce 弹飞绵羊 43…
http://codeforces.com/contest/738/problem/C Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t minutes. There is a straight road of length s from the service to the cinema. Let's…
Ikki's Story I - Road Reconstruction Time Limit: 2000MS Memory Limit: 131072K Total Submissions: 7659 Accepted: 2215 Description Ikki is the king of a small country – Phoenix, Phoenix is so small that there is only one city that is responsible fo…
C. Road to Cinema time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasya is currently at a car rental service, and he wants to reach cinema. The film he has bought a ticket for starts in t m…
Road Trip Time Limit: 1000ms, Special Time Limit:2500ms, Memory Limit:65536KB Total submit users: 29, Accepted users: 29 Problem 12882 : No special judgement Problem description You are planning a road trip to visit your friends, each of whom live in…
题目链接: 传送门 find the most comfortable road Time Limit: 1000MS Memory Limit: 32768 K Description XX星有许多城市,城市之间通过一种奇怪的高速公路SARS(Super Air Roam Structure---超级空中漫游结构)进行交流,每条SARS都对行驶在上面的Flycar限制了固定的Speed,同时XX星人对 Flycar的"舒适度"有特殊要求,即乘坐过程中最高速度与最低速度的差越小…
