B. Cormen - The Best Friend Of a Man time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Recently a dog was bought for Polycarp. The dog's name is Cormen. Now Polycarp has a lot of troubles. Fo…
题意:给定n和k表示,狗要在任意连续两天散步次数要至少为k,然后就是n个数,表示每天的时间,让你增加最少次数使得这个条件成立. 析:贪心,策略是从开始到最后暴力,每次和前面一个相比,如果相加不够k,那么就给当前加上差. 代码如下: #pragma comment(linker, "/STACK:1024000000,1024000000") #include <cstdio> #include <string> #include <cstdlib>…
time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Recently a dog was bought for Polycarp. The dog's name is Cormen. Now Polycarp has a lot of troubles. For example, Cormen likes going for a walk.…
PS:这一场真的是上分场,只要手速快就行.然而在自己做的时候不用翻译软件,看题非常吃力非常慢,还有给队友讲D题如何判断的时候又犯了一个毛病,一定要心平气和,比赛也要保证,不要用翻译软件做题: Codeforces732A 水题: #include<cstdio> #include<math.h> #include<queue> #include<map> #include<string> #include<string.h> #inc…
 传送门 Description Recently a dog was bought for Polycarp. The dog's name is Cormen. Now Polycarp has a lot of troubles. For example, Cormen likes going for a walk. Empirically Polycarp learned that the dog needs at least k walks for any two consecutiv…
上一次我们拿学校的URP做了个小小的demo.... 其实我们还可以把每个学生的证件照爬下来做成一个证件照校花校草评比 另外也可以写一个物理实验自动选课... 但是出于多种原因,,还是绕开这些敏感话题.. 今天,我们来扒一下cf的题面! PS:本代码不是我原创 1. 必要的分析 1.1 页面的获取 一般情况CF的每一个 contest 是这样的: 对应的URL是:http://codeforces.com/contest/xxx 还有一个Complete problemset页面,它是这样的:…
http://codeforces.com/contest/738/problem/D Galya is playing one-dimensional Sea Battle on a 1 × n grid. In this game a ships are placed on the grid. Each of the ships consists of bconsecutive cells. No cell can be part of two ships, however, the shi…
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…
http://codeforces.com/contest/738/problem/A Polycarp has interviewed Oleg and has written the interview down without punctuation marks and spaces to save time. Thus, the interview is now a string s consisting of n lowercase English letters. There is…
http://codeforces.com/problemset/problem/662/A 题目大意: 给定n(n <= 500000)张卡片,每张卡片的两个面都写有数字,每个面都有0.5的概率是在正面,各个卡牌独立.求把所有卡牌来玩Nim游戏,先手必胜的概率. (⊙o⊙)-由于本人只会在word文档里写公式,所以本博客是图片格式的. Code #include <cstdio> #include <cstring> #include <algorithm> u…