【CodeforcesRound#241(Div.2)D】教程文章相关的互联网学习教程文章

CodeforcesRound#261(Div.2)B.PashmakandFlowers(容易)

Pashmak decided to give Parmida a pair of flowers from the garden. There are n flowers in the garden and the i -th of them has a beauty number b i . Parmida is a very strange girl so she doesnt want to have the two most beautiful flowersPashmak decided to give Parmida a pair of flowers from the garden. There are n flowers in the garden and the i-th of them has a beauty number bi. Parmida is a ver...

CodeforcesRound#261(Div.2)D.PashmakandParmida&#3

Parmida is a clever girl and she wants to participate in Olympiads this year. Of course she wants her partner to be clever too (although hes not)! Parmida has prepared the following test problem for Pashmak. There is a sequence a that con Parmida is a clever girl and she wants to participate in Olympiads this year. Of course she wants her partner to be clever too (although hes not)! Parmida has pr...

CodeforcesRound#259(Div.2)

Codeforces Round #259 (Div. 2)---2014.08.01---A、B。。。下次争取做到C 2014.08.01、2014.08.03、2014.08.04 Codeforces的账号是名字的拼音,记一笔。 嗯这是我第一次参加codeforces的线上赛,呵呵,因为UTC的15:30是大半夜,果然第二天感觉自己的脑袋很Codeforces Round #259 (Div. 2)---2014.08.01---A、B。。。下次争取做到C2014.08.01、2014.08.03、2014.08.04Codeforces的账号是名字的拼音,记一笔。嗯这是我第一次参加cod...

CodeforcesRound#272(Div.2)B.DreamoonandWiFi(超几何

题目链接:Codeforces Round #273 (Div. 2) B. Dreamoon and WiFi 题意:“”表示前进1个单位,“-”表示后退1个单位,问以0为起点经过S1,S2两个命令后达到的位置相同的概率。 思路:统计“”和“-”的数量。如果S2中的“”或者“-”比S1中的多,概率是0。题目链接:Codeforces Round #273 (Div. 2) B. Dreamoon and WiFi 题意:“+”表示前进1个单位,“-”表示后退1个单位,问以0为起点经过S1,S2两个命令后达到的位置相同的概率...

CodeforcesRound#258(Div.2)B.SorttheArray(模拟)

题目链接:Codeforces Round #258 (Div. 2) B. Sort the Array 题意:给出一串序列要就通过一次反转一段子序列使得变化后的序列严递增。 思路:从左向右找出首次下降的,从右向左找出首次下降的,分别记录下标,再在这个段区间里反转。最后判断是否递增。 反题目链接:Codeforces Round #258 (Div. 2) B. Sort the Array 题意:给出一串序列要就通过一次反转一段子序列使得变化后的序列严格递增。 思路:从左向右找出首次下降的,从右...

CodeforcesRound#286(Div.2)D.

Shuseki Kingdom is the worlds leading nation for innovation and technology. There are n cities in the kingdom, numbered from 1 to n . Thanks to Mr. Kitayutas research, it has finally become possible to construct teleportation pipes betwe Shuseki Kingdom is the worlds leading nation for innovation and technology. There are n cities in the kingdom, numbered from 1 to n.Thanks to Mr. Kitayutas resear...

CodeforcesRound#297(Div.2)(ABCDE题解)

比赛链接:http://codeforces.com/contest/525 算是比较简单的一场了,拖了好久现在才补 A. Vitaliy and Pie time limit per test:2 seconds memory limit per test:256 megabytes After a hard day Vitaly got very hungry and he wants to eat his favor比赛链接:http://codeforces.com/contest/525 算是比较简单的一场了,拖了好久现在才补A. Vitaliy and Pietime limit per test:2 seconds memory limit per test:256 meg...

CodeforcesRound#247(Div.2)ABC

Codeforces Round #247 (Div. 2) http://codeforces.com/contest/431 代码均已投放:https://github.com/illuz/WayToACM/tree/master/CodeForces/431 A - Black Square 题目地址 题意 : Jury玩别踩白块,游戏中有四个区域,Jury点每个区域要消耗ai的卡路里 Codeforces Round #247 (Div. 2)http://codeforces.com/contest/431 代码均已投放:https://github.com/illuz/WayToACM/tree/master/CodeForces/431A - Black Square题目地...

CodeforcesRound#201(Div.2)ABC水题3道

这场的题目也很水,但是我竟然在第二题浪费了5次提交,罚时严重啊T T 果然还是太水了,姑且写个题解。。。 A - Difference Row 手速题,我还蛋疼把最大和最小提取出来重新排序了。。。 其实只要全部排序,让最大和最小位置调换下就行了。 复杂度为sort的O(nl这场的题目也很水,但是我竟然在第二题浪费了5次提交,罚时严重啊T T 果然还是太水了,姑且写个题解。。。 A - Difference Row手速题,我还蛋疼把最大值和最小值提取出来重新...

CodeforcesRound#264(Div.2)[ABCDE]

Codeforces Round #264 (Div. 2)[ABCDE] ACM 题目地址:Codeforces Round #264 (Div. 2) 这场只出了两题TAT,C由于cin给fst了,D想到正解快敲完了却game over了... 掉rating掉的厉害QvQ... A - Caisa and Sugar 【模拟】 题意 : Caisa拿s美元去超市买sugar, Codeforces Round #264 (Div. 2)[ABCDE]ACM题目地址: Codeforces Round #264 (Div. 2)这场只出了两题TAT,C由于cin给fst了,D想到正解快敲完了却game over了... 掉rating掉...

CodeforcesRound#203(Div.2)水果3题

Codeforces Round #203 (Div. 2) 这场在最后千钧一发交了一发过了C,不然又要掉rating了。。。 B敲了太久了,orz编码能力不足Codeforces Round #203 (Div. 2)这场在最后千钧一发交了一发过了C,不然又要掉rating了。。。 B敲了太久了,orz编码能力不足啊~ A - TL求编程比赛的时限,使得正确答案都能过,错误答案都不能过,且至少有一个正确答案的时间能小于时限的一半。 模拟水题,看题目看了好久。。 代码:/* * Author: i...

CodeforcesRound#258(Div.2)[ABCD]

Codeforces Round #258 (Div. 2)[ABCD] ACM 题目地址:Codeforces Round #258 (Div. 2) A - Game With Sticks 题意 : Akshat and Malvika两人玩一个游戏,横竖n,m根木棒排成#型,每次取走一个交点,交点相关的横竖两条木棒要去掉,Akshat先手,给出n,m问谁赢 Codeforces Round #258 (Div. 2)[ABCD]ACM题目地址:Codeforces Round #258 (Div. 2) A - Game With Sticks题意: Akshat and Malvika两人玩一个游戏,横竖n,m根木棒排成#型...

CodeforcesRound#261(Div.2)[ABCDE]

Codeforces Round #261 (Div. 2)[ABCDE] ACM 题目地址:Codeforces Round #261 (Div. 2) A - Pashmak and Garden 题意 : 一个正方形,它的边平行于坐标轴,给出这个正方形的两个点,求出另外两个点。 分析 : 判断下是否平行X轴或平行Y轴,各种if。 代码 : Codeforces Round #261 (Div. 2)[ABCDE]ACM题目地址:Codeforces Round #261 (Div. 2) A - Pashmak and Garden题意: 一个正方形,它的边平行于坐标轴,给出这个正方形的两个...

CodeforcesRound(Div.2)B.DreamoonandWiFi(超几何

题目链接:Codeforces Round #273 (Div. 2) B. Dreamoon and WiFi 题意:“”表示前进1个单位,“-”表示后退1个单位,问以0为起点经过S1,S2两个命令后达到的位置相同的概率。 思路:统计“”和“-”的数量。如果S2中的“”或者“-”比S1中的多,概率是0。题目链接:Codeforces Round #273 (Div. 2) B. Dreamoon and WiFi 题意:“+”表示前进1个单位,“-”表示后退1个单位,问以0为起点经过S1,S2两个命令后达到的位置相同的概率...