A. New Year Candles time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vasily the Programmer loves romance, so this year he decided to illuminate his room with candles. Vasily has a candles.Wh…

Problem J. Bye Bye RussiaTime Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/gym/100500/attachments Description It was the last day at Russia, after the World Finals has ended. Coach fegla was travelling back to Cairo on the same day b…

Good Bye 2018 2018年最后一场CF,OVER! 弱弱的我只能做出3道A,B,D~~~~ 最后几分钟,感觉找到了C题的规律,结束的那一刻,提交了一发 "Wrong answer on pretest 5"......... 一开始,做完AB题直接就看C题,当时没想着打表找规律,死抠了好大一会,没思路,果断换题; D题打了个表,找到了规律,AC~~~ 然后,回过头来接着看C,无奈之举,打了个表,由于当时时间紧迫,找了二十多分钟的规律,只找了看了前十个数,发现他们有一个共同的…

目录 Codeforces 1091 A.New Year and the Christmas Ornament B.New Year and the Treasure Geolocation C.New Year and the Sphere Transmission(思路) D.New Year and the Permutation Concatenation(思路 计数) E.New Year and the Acquaintance Estimation(Erdos–Gallai定理…

Bye Bye Bye - Lovestoned When i see you, looking back at me 当我看到你回首看我时 Watching this eye still 彼此凝视 Do your fingers and your eyes 在你的眼眸中 你是否感到我的爱 Have told thousands lights. 有无数道光芒 But i can't tell this time 但我无法了解, What you really meant 这一刻你的心情 We'v…

9815人数场,9500+围观神仙打架...断断续续打Codeforces也快有一年啦,第一次打Good Bye场,满怀前排膜tourist的心愿参加了这场送命场,虽然没看到tourist.不过还是得见Petr粑粑.杜教 AK.哇,不是很懂你们div1.... 啊,不过还是很休闲,暴力写了份897行的代码TwT. Flag:明年这个时候我要上紫!!!…

歌词来源:http://music.163.com/#/song?id=22704472 사랑하는 그대 Bye Bye, Bye Bye, Bye Bye, [sa-lang-ha-neun geu-dae Bye Bye, Bye Bye, Bye Bye,] Bye Bye, Bye Bye, Bye Bye [Bye Bye, Bye Bye, Bye Bye] oh oh oh oh~ oh oh oh oh~ [oh oh oh oh~ oh oh oh oh~] oh oh oh…

咕bye 2018,因为我这场又咕咕咕了 无谓地感慨一句:时间过得真快啊(有毒 A.New Year and the Christmas Ornament 分类讨论后等差数列求和 又在凑字数了 #include<cstdio> #include<cstring> #include<algorithm> using namespace std; int a,b,c; int main() { scanf("%d%d%d",&a,&b,&…

codeforces Good bye 2016 E 线段树维护dp区间合并 题目大意:给你一个字符串,范围为‘0’~'9',定义一个ugly的串,即串中的子串不能有2016,但是一定要有2017,问,最少删除多少个字符,使得串中符合ugly串? 思路:定义dp(i, j),其中i=5,j=5,因为只需要删除2016当中其中一个即可,所以一共所需要删除的字符和需要的字符为20176,因此i和j只要5就够了. 然后转移就是dp(i,i) = 0, 如果说区间大小为1的话,那么如果是2017中的一个…

Good Bye 2018! 题目链接:https://codeforces.com/contest/1091 A. New Year and the Christmas Ornament 题意: 给出三堆数量分别为y,b,r的东西,现在要你从三堆中各选一堆,满足y'+1=b'且b'+1=r' (y',r',b'分别是指从中选取的个数). 现在问最多能拿出的个数为多少. 题解: 我是直接模拟的= =但是有更简单的方法. 让y+=2,b+=1,那么现在的最优解为min(y,b,r)*3-3.这个还…