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阿牛的EOF牛肉串 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) To

题目链接:http://codeforces.com/contest/909/problem/C题意:python 语言有两种语句，simple 语句（ s 语句）和 for 语句（ f 语句）。其中 for 语句的循环体需要缩进一格，并且不能为空（ for 语句的循环体里至少有一个 s 语句或 for 语句）。给出 n 条语句，问总共有多少种合法的缩进方法。输入:4sf...

题目链接：Go!题目大意：​ 给你一个长度为 nnn 的序列 ccc，每次操作删去当前序列的一个回文串。问：把序列全部删完，最少需要多少次的操作?数据范围：1≤n≤1051≤n≤1051 \leq n \leq 10^51≤ci≤n1≤ci≤n1 \leq c_i \leq n样例：inputinputinput31 2 1...

题目链接：Go!题目大意：​ 给你一个长度不超过 100100100 且只包含 (,),[,](,),[,]( , ) , [ , ] 四种字符的字符串 sss，添加 最少 的字符使其变成一个合法的字符串，输出这个合法的字符串。合法字符串的定义：EmptyEmptyEmpty sequencesequencesequence isisis ...

The Shuseki Islands are an archipelago of 30001 small islands in the Yutampo Sea. The islands are evenly spaced along a line, numbered from 0 to 30000 from the west to the east. These islands are know...

D. Substring time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output You are given a graph with n nodes and m directed edges. One lowercase lette...

Diablo IIITime Limit: 2 Seconds Memory Limit: 65536 KB Diablo III is an action role-playing video game. A few days ago, Reaper of Souls (ROS), the new expansion of Diablo III, has been release

Shopping OffersTime Limit: 1000MS Memory Limit: 10000K Total Submissions: 5333 Accepted: 2242 DescriptionIn a shop each kind of product has a price. For example, the price of a flower i

FATETime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16395 Accepted Submission(s): 7698Problem Description 最近xhd正在玩一款叫做FATE的游戏，为了得到极品装备

CoinsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 17216 Accepted Submission(s): 6809Problem Description Whuacmers use coins.They ha

RobberiesTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 27026 Accepted Submission(s): 9959Problem Description The aspiring Roy the Ro

最大报销额Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 28554 Accepted Submission(s): 8789Problem Description 现有一笔经费可以报销一定额度的发票。允许报销的发票类型

D. Almost Identity Permutations time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output A permutation p of size n is an array such that every inte

放苹果                                                Time Limit: 1000MS Memory Limit: 10000K                                                Total Submissions: 33682 Accepted: 20837

神、上帝以及老天爷                   Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)                   Total Submission(s): 38673 Accepted Submission(s): 15856Probl

Codeforces - 501 - div3 - Bracket Substring （KMP + DP）题目链接：http://codeforces.com/contest/1015/problem/F题意： 给你一个 nnn 和一个字符串 sss 问：构造一个长度为 2∗n2∗n2 * n 并包含 sss 的字符串的构造方法输入：5()))()3((...