The government of a small but important country has decided that the alphabet needs to be streamlined and reordered. Uppercase letters will be eliminated. They will issue a royal decree in the form of a String of B and A characters. The first character in the decree specifies whether a must come ( B )Before b in the new alphabet or ( A )After b . The second character determines the relative placement of b and c , etc. So, for example, "BAA" means that a must come Before b , b must come After c , and c must come After d .
Any letters beyond these requirements are to be excluded, so if the decree specifies k comparisons then the new alphabet will contain the first k+1 lowercase letters of the current alphabet.
Create a class Alphabet that contains the method choices that takes the decree as input and returns the number of possible new alphabets that conform to the decree. If more than 1,000,000,000 are possible, return -1.
Definition
Open Source for the Enterprise
Open source software is changing the world of Information Technology. But making it work for your company is far more complicated than simply installing a copy of Linux. If you are serious about using open source to cut costs, accelerate development, and reduce vendor lock-in, you must institutionalize skills and Create new ways of working. You must understand how open source is different from commercial software and what responsibilities and risks it brings. Open Source for the Enterprise is a sober guide to putting open source to work in the modern IT department.
A program to demonstrate the optimization process of ant colony optimization for the traveling saleman problem (TSP). The cities are shown as red circles, the pheromone on the connections between them (fully connected graph) by gray lines. The darker the grey, the more pheromone is currently on the edge. During the optimization, the currently best found tour is drawn in red. To run the optimization, first Create a random TSP, then Create an ant colony, and finally run the optimization.
Excel導入導出:This TscExcelExport component is an advanced, powerfull but easy component to export all records of a dataset from Delphi to MS Excel (97, 2000, XP or 2003). Many features are provided to change the layout, to add totals, to Create groups,
ZIP壓縮、解壓縮算法庫，完全C++實現，支持多種平臺。下面是英文描述：
This library adds zip compression and decompression functionality to your program, allowing you to Create and modify ZIP files in the compatible way with WinZip, PKZIP and other popular archivers.
Its easy and practical interface makes the library suitable for the beginners as well as for the advanced users.
This lab exercise will cover the use of AccelDSP’s design exploration capabilities that include mapping variables to memory and unrolling loop and vector operations. You will learn how to Create different hardware architectures without modifying the MATLAB source to explore different area/performance tradeoffs.
