随笔分类 -  cf

摘要:Codeforces Round #575 (Div. 3) 这个div3打的太差了,心态都崩了。 B. Odd Sum Segments B 题我就想了很久,这个题目我是找的奇数的个数,因为奇数想分成x个奇数,那么这个x肯定是一个奇数, 偶数同理,如果一个偶数想分成y个奇数,那么这个y肯定是一个偶 阅读全文
posted @ 2019-07-25 10:19 EchoZQN 阅读(253) 评论(0) 推荐(0)
摘要:D. Fun with Integers You are given a positive integer nn greater or equal to 22. For every pair of integers aa and bb (2≤|a|,|b|≤n2≤|a|,|b|≤n), you ca 阅读全文
posted @ 2019-04-12 09:45 EchoZQN 阅读(107) 评论(0) 推荐(0)
摘要:C. King's Path The black king is standing on a chess field consisting of 109 rows and 109 columns. We will consider the rows of the field numbered wit 阅读全文
posted @ 2019-04-11 18:28 EchoZQN 阅读(113) 评论(0) 推荐(0)
摘要:一个题目是拓扑排序,这个昨天写了,然后就是这个bfs C. Ice Cave You play a computer game. Your character stands on some level of a multilevel ice cave. In order to move on for 阅读全文
posted @ 2019-04-11 18:18 EchoZQN 阅读(193) 评论(0) 推荐(0)
摘要:今天被拓扑排序给折磨了一天,主要就是我的一个代码有点小bug,真难找。。。 先来看看我今天写的题目吧! C. Fox And Names Fox Ciel is going to publish a paper on FOCS (Foxes Operated Computer Systems, pr 阅读全文
posted @ 2019-04-10 19:32 EchoZQN 阅读(185) 评论(0) 推荐(0)
摘要:首先,我想说今天的题目都让我觉得好感动,至少都有一点思路,差不多可以做出来了,很开心,昨天的题目是真的恶心。 然后开始记录打卡啦!!! D. Too Easy Problems You are preparing for an exam on scheduling theory. The exam 阅读全文
posted @ 2019-04-09 19:01 EchoZQN 阅读(176) 评论(0) 推荐(0)
摘要:A. Gennady the Dentist time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A. Gennady the Den 阅读全文
posted @ 2019-04-08 22:25 EchoZQN 阅读(133) 评论(0) 推荐(0)
摘要:A - Vanya and Scales Vanya has a scales for weighing loads and weights of masses w0, w1, w2, ..., w100 grams where w is some integer not less than 2 ( 阅读全文
posted @ 2019-04-06 21:55 EchoZQN 阅读(139) 评论(0) 推荐(0)
摘要:C. Watering Flowers C. Watering Flowers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output 阅读全文
posted @ 2019-04-06 14:43 EchoZQN 阅读(109) 评论(0) 推荐(0)
摘要:A. On The Way to Lucky Plaza time limit per test 1.0 s memory limit per test 256 MB input standard input output standard output A. On The Way to Lucky 阅读全文
posted @ 2019-04-05 20:24 EchoZQN 阅读(191) 评论(0) 推荐(0)
摘要:C. Lorenzo Von Matterhorn time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Lorenzo Von 阅读全文
posted @ 2019-04-05 14:20 EchoZQN 阅读(220) 评论(0) 推荐(0)
摘要:C. Queen time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Queen time limit per test 1 s 阅读全文
posted @ 2019-04-02 22:06 EchoZQN 阅读(145) 评论(0) 推荐(0)
摘要:D. Equalize Them All time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output D. Equalize Them Al 阅读全文
posted @ 2019-04-02 22:04 EchoZQN 阅读(189) 评论(0) 推荐(0)
摘要:F. Graph Without Long Directed Paths time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output F. 阅读全文
posted @ 2019-04-02 22:02 EchoZQN 阅读(131) 评论(0) 推荐(0)
摘要:E. Superhero Battle time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output E. Superhero Battle 阅读全文
posted @ 2019-04-02 21:57 EchoZQN 阅读(156) 评论(0) 推荐(0)
摘要:C. Brutality time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Brutality time limit per 阅读全文
posted @ 2019-03-31 10:17 EchoZQN 阅读(230) 评论(0) 推荐(0)
摘要:C. Edgy Trees time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Edgy Trees time limit p 阅读全文
posted @ 2019-03-31 08:51 EchoZQN 阅读(169) 评论(0) 推荐(0)
摘要:题目:https://vj.69fa.cn/1fc993e7e0e1e6fa7ce4640b8d46ef8d?v=1552762626 这个题目,之前有一点思路,但是呢,后来又不知道怎么去执行,然后就没有了耐心就去网上找了题解,这个去遍历每一个数,如果和他挨在一起就把它标记为相同的数d。 然后之后判 阅读全文
posted @ 2019-03-19 15:28 EchoZQN 阅读(137) 评论(0) 推荐(0)
摘要:#include <cstring> #include <algorithm> #include <iostream> #include <cstdio> #include <map> #include <cstdlib> #include <vector> #define inf 0x3f3f3f 阅读全文
posted @ 2019-03-15 21:12 EchoZQN 阅读(209) 评论(0) 推荐(0)
摘要:C. Connect time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. Connect time limit per test 阅读全文
posted @ 2019-03-15 19:17 EchoZQN 阅读(198) 评论(0) 推荐(0)