Description Farmer John has secret message that he wants to hide from his cows; the message is a string of length at least 2 containing only the characters A..Z. To encrypt his message, FJ applies a sequence of "operations" to it, where an opera…

我们很多人应该都做过这样的操作,打开拨号键盘输入*#*#4636#*#*等字符就会弹出一个界面显示手机相关的一些信息,这个功能在Android中被称为android secret code,除了这些系统预置的secret code,我们也可以实现自己的secret code,而且实现起来非常简单. 要实现自己的secret code,只需要向系统注册一个Broadcast Receiver,不需要任何权限,如下所示: <receiver android:name=".SecretRecei…

Secret Code Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 670    Accepted Submission(s): 109 Problem Description The Sarcophagus itself is locked by a secret numerical code. When somebody wan…

我们很多人应该都做过这样的操作,打开拨号键盘输入 *#*#4636#*#* 等字符就会弹出一个界面显示手机相关的一些信息,这个功能在 Android 中被称为 Android Secret Code,除了这些系统预置的 Secret Code,我们也可以实现自己的 Secret Code,而且实现起来非常简单. 要实现自己的 Secret Code,只需要向系统注册一个 Broadcast Receiver,不需要任何权限,如下所示: <receiver android:name=".Se…

The secret code Input file: stdinOutput file: stTime limit: 1 sec Memory limit: 256 MbAfter returning from the trip, Alex was unpleasantly surprised: his porch door had a new combination lock. Alexcan not get into his house! Code lock contains N disk…

Secret Code 问题描述 The Sarcophagus itself is locked by a secret numerical code. When somebody wants to open it, he must know the code and set it exactly on the top of the Sarcophagus. A very intricate mechanism then opens the cover. If an incorrect cod…

水状压dp. dp(x, s) = max{ dp( x - 1, s - {h} ) } + 奖励(假如拿到的) (h∈s). 时间复杂度O(n * 2^n) ---------------------------------------------------------------------------------- #include<bits/stdc++.h>   #define rep(i, n) for(int i = 0; i < n; ++i) #define clr…

P3102 [USACO14FEB]秘密代码Secret Code 题目描述 Farmer John has secret message that he wants to hide from his cows; the message is a string of length at least 2 containing only the characters A..Z. To encrypt his message, FJ applies a sequence of "operations&…

Secret Code Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Description The Sarcophagus itself is locked by a secret numerical code. When somebody wants to open it, he must know the code and set it exactly o…

Secret Code 一.题目 [NOIP模拟赛A10]Secret Code 时间限制: 1 Sec  内存限制: 128 MB 提交: 10  解决: 6 [提交][状态][讨论版] 题目描述 农夫John(以后简称“FJ”)有些不想让他的奶牛看见的秘密消息:这条消息是一个长度至少为2仅包含字符A..Z的字符串.为了加密他的消息,FJ对这条消息进行了一系列“操作”.一次对字符串S的“操作”是指去掉S开头的若干个字母(但不是全部)或末尾的若干个字母(但不是全部),然后将原来的S拼接到其开头或…