h_z_cong - 博客园

Codeforces Round #394 (Div. 2) D. Dasha and Very Difficult Problem —— 贪心

摘要：题目链接：http://codeforces.com/contest/761/problem/DD. Dasha and Very Difficult Problemtime limit per test2 secondsmemory limit per test25... 阅读全文

posted @ 2017-07-12 10:36 h_z_cong 阅读(174) 评论(0) 推荐(0)

Codeforces Beta Round #96 (Div. 1) C. Logo Turtle —— DP

摘要：题目链接：http://codeforces.com/contest/132/problem/C C. Logo Turtle time limit per test 2 seconds memory limit per test 256 megabytes input standard input 阅读全文

posted @ 2017-07-10 17:11 h_z_cong 阅读(254) 评论(0) 推荐(0)

Educational Codeforces Round 2 C. Make Palindrome —— 贪心 + 回文串

摘要：题目链接：http://codeforces.com/contest/600/problem/C C. Make Palindrome time limit per test 2 seconds memory limit per test 256 megabytes input standard i 阅读全文

posted @ 2017-07-10 11:52 h_z_cong 阅读(259) 评论(0) 推荐(0)

Codeforces Beta Round #56 A. Where Are My Flakes? —— 贪心

摘要：题目链接：http://codeforces.com/problemset/problem/60/AA. Where Are My Flakes?time limit per test2 secondsmemory limit per test256 megabyte... 阅读全文

posted @ 2017-07-10 11:34 h_z_cong 阅读(267) 评论(0) 推荐(0)

Experimental Educational Round: VolBIT Formulas Blitz K. Indivisibility —— 容斥原理

摘要：题目链接：http://codeforces.com/contest/630/problem/K K. Indivisibility time limit per test 0.5 seconds memory limit per test 64 megabytes input standard i 阅读全文

posted @ 2017-07-10 11:24 h_z_cong 阅读(189) 评论(0) 推荐(0)

Codeforces Round #407 (Div. 1) B. Weird journey —— dfs + 图

摘要：题目链接：http://codeforces.com/problemset/problem/788/BB. Weird journeytime limit per test2 secondsmemory limit per test256 megabytesinput... 阅读全文

posted @ 2017-07-09 22:34 h_z_cong 阅读(131) 评论(0) 推荐(0)

Codeforces Round #258 (Div. 2) D. Count Good Substrings —— 组合数学

摘要：题目链接：http://codeforces.com/problemset/problem/451/DD. Count Good Substringstime limit per test2 secondsmemory limit per test256 megaby... 阅读全文

posted @ 2017-07-09 22:04 h_z_cong 阅读(364) 评论(0) 推荐(0)

Codeforces Round #394 (Div. 2) C. Dasha and Password —— 枚举

摘要：题目链接：http://codeforces.com/problemset/problem/761/C C. Dasha and Password time limit per test 2 seconds memory limit per test 256 megabytes input stan 阅读全文

posted @ 2017-07-08 21:51 h_z_cong 阅读(177) 评论(0) 推荐(0)

Codeforces Round #394 (Div. 2) B. Dasha and friends —— 暴力 or 最小表示法

摘要：题目链接：http://codeforces.com/contest/761/problem/B B. Dasha and friends time limit per test 2 seconds memory limit per test 256 megabytes input standard 阅读全文

posted @ 2017-07-08 21:41 h_z_cong 阅读(202) 评论(0) 推荐(0)

Codeforces Beta Round #7 D. Palindrome Degree —— 字符串哈希

摘要：题目链接：http://codeforces.com/contest/7/problem/D D. Palindrome Degree time limit per test 1 second memory limit per test 256 megabytes input standard in 阅读全文

posted @ 2017-07-04 11:23 h_z_cong 阅读(188) 评论(0) 推荐(0)

VK Cup 2012 Qualification Round 1 E. Phone Talks —— DP

摘要：题目链接：http://codeforces.com/contest/158/problem/EE. Phone Talkstime limit per test3 secondsmemory limit per test256 megabytesinputstand... 阅读全文

posted @ 2017-07-04 11:16 h_z_cong 阅读(179) 评论(0) 推荐(0)

Codeforces Beta Round #88 C. Cycle —— DFS（找环）

摘要：题目链接：http://codeforces.com/problemset/problem/117/C C. Cycle time limit per test 2.5 seconds memory limit per test 256 megabytes input standard input 阅读全文

posted @ 2017-07-03 14:35 h_z_cong 阅读(200) 评论(0) 推荐(0)

Codeforces Round #178 (Div. 2) B. Shaass and Bookshelf —— DP

摘要：题目链接：http://codeforces.com/contest/294/problem/BB. Shaass and Bookshelftime limit per test1 secondmemory limit per test256 megabytesin... 阅读全文

posted @ 2017-06-29 14:50 h_z_cong 阅读(208) 评论(0) 推荐(0)

VK Cup 2015 - Round 2 E. Correcting Mistakes —— 字符串

摘要：题目链接：http://codeforces.com/contest/533/problem/E E. Correcting Mistakes time limit per test 2 seconds memory limit per test 256 megabytes input standa 阅读全文

posted @ 2017-06-29 12:50 h_z_cong 阅读(311) 评论(0) 推荐(0)

Codeforces Round #173 (Div. 2) E. Sausage Maximization —— 字典树 + 前缀和

摘要：题目链接：http://codeforces.com/problemset/problem/282/E E. Sausage Maximization time limit per test 2 seconds memory limit per test 256 megabytes input st 阅读全文

posted @ 2017-06-29 10:17 h_z_cong 阅读(239) 评论(0) 推荐(0)