online judge Codeforces - 随笔分类(第22页) - qscqesze

8VC Venture Cup 2016 - Final Round D. Preorder Test 二分树形dp

摘要：Preorder Test 题目连接： http://www.codeforces.com/contest/627/problem/D Description For his computer science class, Jacob builds a model tree with sticks 阅读全文

posted @ 2016-03-04 18:56 qscqesze 阅读(307) 评论(0) 推荐(0) 编辑

8VC Venture Cup 2016 - Final Round C. Package Delivery 优先队列

摘要：C. Package Delivery 题目连接： http://www.codeforces.com/contest/627/problem/C Description Johnny drives a truck and must deliver a package from his hometo 阅读全文

posted @ 2016-03-03 19:23 qscqesze 阅读(481) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 9 F. Magic Matrix 最小生成树

摘要：F. Magic Matrix 题目连接： http://www.codeforces.com/contest/632/problem/F Description You're given a matrix A of size n × n. Let's call the matrix with no 阅读全文

posted @ 2016-03-02 22:53 qscqesze 阅读(342) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 9 E. Thief in a Shop dp fft

摘要：E. Thief in a Shop 题目连接： http://www.codeforces.com/contest/632/problem/E Description A thief made his way to a shop. As usual he has his lucky knapsac 阅读全文

posted @ 2016-03-02 22:49 qscqesze 阅读(535) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 9 D. Longest Subsequence dp

摘要：D. Longest Subsequence 题目连接： http://www.codeforces.com/contest/632/problem/D Description You are given array a with n elements and the number m. Consi 阅读全文

posted @ 2016-03-02 22:37 qscqesze 阅读(367) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 9 C. The Smallest String Concatenation 排序

摘要：C. The Smallest String Concatenation 题目连接： http://www.codeforces.com/contest/632/problem/C Description You're given a list of n strings a1, a2, ..., a 阅读全文

posted @ 2016-03-02 22:33 qscqesze 阅读(283) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 9 B. Alice, Bob, Two Teams 前缀和

摘要：B. Alice, Bob, Two Teams 题目连接： http://www.codeforces.com/contest/632/problem/B Description Alice and Bob are playing a game. The game involves splitti 阅读全文

posted @ 2016-03-02 22:23 qscqesze 阅读(423) 评论(0) 推荐(0) 编辑

Educational Codeforces Round 9 A. Grandma Laura and Apples 水题

摘要：A. Grandma Laura and Apples 题目连接： http://www.codeforces.com/contest/632/problem/A Description Grandma Laura came to the market to sell some apples. Du 阅读全文

posted @ 2016-03-02 22:11 qscqesze 阅读(313) 评论(0) 推荐(0) 编辑

8VC Venture Cup 2016 - Final Round (Div. 2 Edition) D. Factory Repairs 树状数组

摘要：D. Factory Repairs 题目连接： http://www.codeforces.com/contest/635/problem/D Description A factory produces thimbles in bulk. Typically, it can produce up 阅读全文

posted @ 2016-03-01 23:00 qscqesze 阅读(293) 评论(0) 推荐(1) 编辑

8VC Venture Cup 2016 - Final Round (Div. 2 Edition) C. XOR Equation 数学

摘要：C. XOR Equation 题目连接： http://www.codeforces.com/contest/635/problem/C Description Two positive integers a and b have a sum of s and a bitwise XOR of x 阅读全文

posted @ 2016-03-01 12:53 qscqesze 阅读(423) 评论(3) 推荐(2) 编辑

8VC Venture Cup 2016 - Final Round (Div. 2 Edition)B. sland Puzzle 水题

摘要：B. sland Puzzle 题目连接： http://www.codeforces.com/contest/635/problem/B Description A remote island chain contains n islands, labeled 1 through n. Bidir 阅读全文

posted @ 2016-03-01 00:28 qscqesze 阅读(252) 评论(0) 推荐(0) 编辑

8VC Venture Cup 2016 - Final Round (Div. 2 Edition) A. Orchestra 水题

摘要：A. Orchestra 题目连接： http://www.codeforces.com/contest/635/problem/A Description Paul is at the orchestra. The string section is arranged in an r × c re 阅读全文

posted @ 2016-03-01 00:07 qscqesze 阅读(282) 评论(0) 推荐(0) 编辑

Manthan, Codefest 16 H. Fibonacci-ish II 大力出奇迹莫队线段树矩阵

摘要：H. Fibonacci ish II 题目连接： http://codeforces.com/contest/633/problem/H Description Yash is finally tired of computing the length of the longest Fibonac 阅读全文

posted @ 2016-02-28 13:50 qscqesze 阅读(1434) 评论(3) 推荐(0) 编辑

Manthan, Codefest 16 E. Startup Funding ST表二分数学

摘要：E. Startup Funding 题目连接： http://codeforces.com/contest/633/problem/E Description An e commerce startup pitches to the investors to get funding. They h 阅读全文

posted @ 2016-02-28 13:02 qscqesze 阅读(336) 评论(0) 推荐(0) 编辑

Manthan, Codefest 16 G. Yash And Trees dfs序+线段树+bitset

摘要：G. Yash And Trees 题目连接： http://www.codeforces.com/contest/633/problem/G Description Yash loves playing with trees and gets especially excited when the 阅读全文

posted @ 2016-02-27 21:59 qscqesze 阅读(437) 评论(0) 推荐(0) 编辑

Manthan, Codefest 16 D. Fibonacci-ish 暴力

摘要：D. Fibonacci ish 题目连接： http://www.codeforces.com/contest/633/problem/D Description Yash has recently learnt about the Fibonacci sequence and is very e 阅读全文

posted @ 2016-02-27 21:18 qscqesze 阅读(482) 评论(0) 推荐(1) 编辑

Manthan, Codefest 16 C. Spy Syndrome 2 字典树 + dp

摘要：C. Spy Syndrome 2 题目连接： http://www.codeforces.com/contest/633/problem/C Description After observing the results of Spy Syndrome, Yash realised the err 阅读全文

posted @ 2016-02-27 21:14 qscqesze 阅读(439) 评论(0) 推荐(0) 编辑

Manthan, Codefest 16 B. A Trivial Problem 二分数学

摘要：B. A Trivial Problem 题目连接： http://www.codeforces.com/contest/633/problem/B Description Mr. Santa asks all the great programmers of the world to solve 阅读全文

posted @ 2016-02-27 21:06 qscqesze 阅读(333) 评论(0) 推荐(0) 编辑

Manthan, Codefest 16 A. Ebony and Ivory 水题

摘要：A. Ebony and Ivory 题目连接： http://www.codeforces.com/contest/633/problem/A Description Dante is engaged in a fight with "The Savior". Before he can figh 阅读全文

posted @ 2016-02-27 21:04 qscqesze 阅读(347) 评论(0) 推荐(0) 编辑

Codeforces Round #339 (Div. 1) C. Necklace 构造题

摘要：C. Necklace 题目连接： http://www.codeforces.com/contest/613/problem/C Description Ivan wants to make a necklace as a present to his beloved girl. A neckla 阅读全文

posted @ 2016-02-25 16:43 qscqesze 阅读(389) 评论(0) 推荐(1) 编辑

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