Initial data commit

Task/Move-to-front-algorithm/11l/move-to-front-algorithm.11l

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+V symboltable = Array(‘a’..‘z’)
+
+F move2front_encode(strng)
+   [Int] sequence
+   V pad = copy(:symboltable)
+   L(char) strng
+      V indx = pad.index(char)
+      sequence.append(indx)
+      pad = [pad.pop(indx)] [+] pad
+   R sequence
+
+F move2front_decode(sequence)
+   [Char] chars
+   V pad = copy(:symboltable)
+   L(indx) sequence
+      V char = pad[indx]
+      chars.append(char)
+      pad = [pad.pop(indx)] [+] pad
+   R chars.join(‘’)
+
+L(s) [‘broood’, ‘bananaaa’, ‘hiphophiphop’]
+   V encode = move2front_encode(s)
+   print(‘#14 encodes to #.’.format(s, encode), end' ‘, ’)
+   V decode = move2front_decode(encode)
+   print(‘which decodes back to #.’.format(decode))
+   assert(s == decode, ‘Whoops!’)