scrabble_score: initial commit

cpp/scrabble-score/README.md

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+# Scrabble Score
+
+Write a program that, given a word, computes the scrabble score for that word.
+
+## Letter Values
+
+You'll need these:
+
+```plain
+Letter                           Value
+A, E, I, O, U, L, N, R, S, T       1
+D, G                               2
+B, C, M, P                         3
+F, H, V, W, Y                      4
+K                                  5
+J, X                               8
+Q, Z                               10
+```
+
+## Examples
+"cabbage" should be scored as worth 14 points:
+
+- 3 points for C
+- 1 point for A, twice
+- 3 points for B, twice
+- 2 points for G
+- 1 point for E
+
+And to total:
+
+- `3 + 2*1 + 2*3 + 2 + 1`
+- = `3 + 2 + 6 + 3`
+- = `5 + 9`
+- = 14
+
+## Extensions
+- You can play a `:double` or a `:triple` letter.
+- You can play a `:double` or a `:triple` word.
+
+## Getting Started
+
+Make sure you have read [the C++ page](http://exercism.io/languages/cpp) on
+exercism.io.  This covers the basic information on setting up the development
+environment expected by the exercises.
+
+## Passing the Tests
+
+Get the first test compiling, linking and passing by following the [three
+rules of test-driven development](http://butunclebob.com/ArticleS.UncleBob.TheThreeRulesOfTdd).
+Create just enough structure by declaring namespaces, functions, classes,
+etc., to satisfy any compiler errors and get the test to fail.  Then write
+just enough code to get the test to pass.  Once you've done that,
+uncomment the next test by moving the following line past the next test.
+
+```C++
+#if defined(EXERCISM_RUN_ALL_TESTS)
+```
+
+This may result in compile errors as new constructs may be invoked that
+you haven't yet declared or defined.  Again, fix the compile errors minimally
+to get a failing test, then change the code minimally to pass the test,
+refactor your implementation for readability and expressiveness and then
+go on to the next test.
+
+Try to use standard C++11 facilities in preference to writing your own
+low-level algorithms or facilities by hand.  [CppReference](http://en.cppreference.com/)
+is a wiki reference to the C++ language and standard library.  If you
+are new to C++, but have programmed in C, beware of
+[C traps and pitfalls](http://www.slideshare.net/LegalizeAdulthood/c-traps-and-pitfalls-for-c-programmers).
+
+## Source
+
+Inspired by the Extreme Startup game [view source](https://github.com/rchatley/extreme_startup)