题目传送门 /* 题意:给出一系列读者出行的记录,+表示一个读者进入,-表示一个读者离开,可能之前已经有读者在图书馆 构造:now记录当前图书馆人数,sz记录最小的容量,in数组标记进去的读者,分情况讨论一下 */ /************************************************ * Author :Running_Time * Created Time :2015-8-6 0:23:37 * File Name :B.cpp *****************…

B. Berland National LibraryTime Limit: 2 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/567/problem/B Description Berland National Library has recently been built in the capital of Berland. In addition, in the library you can take any of…

B. Berland National LibraryTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/567/problem/B Description Berland National Library has recently been built in the capital of Berland. In addition, in the library you can take any o…

B. Berland National Library time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Berland National Library has recently been built in the capital of Berland. In addition, in the library you can take…

题目传送门 /* 题意:问选出3个数成等比数列有多少种选法 map:c1记录是第二个数或第三个数的选法,c2表示所有数字出现的次数.别人的代码很短,思维巧妙 */ /************************************************ * Author :Running_Time * Created Time :2015-8-6 1:07:18 * File Name :C.cpp *******************************************…

A题: 题目地址:Lineland Mail #include <stdio.h> #include <math.h> #include <string.h> #include <stdlib.h> #include <iostream> #include <sstream> #include <algorithm> #include <set> #include <queue> #include…

A. Lineland Mail time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output All cities of Lineland are located on the Ox coordinate axis. Thus, each city is associated with its position xi — a coordi…

567A Lineland Mail题意:一些城市在一个x轴上,他们之间非常喜欢写信交流.送信的费用就是两个城市之间的距离,问每个城市写一封信给其它城市所花费的最小费用和最大的费用. 没什么好说的.直接做.特判最左边的和最右边的.其它的最小值在相邻的城市取,最大的在两边的城市与本城市取最大值. 代码: #include <set> #include <map> #include <queue> #include <stack> #include <de…

E. President and RoadsTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/567/problem/E Description Berland has n cities, the capital is located in city s, and the historic home town of the President is in city t (s ≠ t). The c…

E. Berland Local Positioning System Time Limit: 1 Sec  Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/534/problem/E Description In Berland a bus travels along the main street of the capital. The street begins from the main square and looks l…