private static void ExecuteForWord(TrieWordDictionary wordDictionary, string upTiles, bool onlyShowCountOfWords)
{
var sw = Stopwatch.StartNew();
var availableWords = wordDictionary.GetAvailableWordsForWord(upTiles);
sw.Stop();
string words = onlyShowCountOfWords ? $"found {availableWords.ToList().Count} words": string.Join(",", availableWords);
Console.WriteLine($"For {upTiles} (len={upTiles.Length}, time={sw.ElapsedMilliseconds}ms: {words})");
}
private static void RunPerfTest(TrieWordDictionary wordDictionary)
{
string maxWord = "absentmindednessqqqq";
for (int i = 1; i <= maxWord.Length; i++)
{
string curWord = maxWord.Substring(0, i);
ExecuteForWord(wordDictionary, curWord, true);
}
}
/*
* This gives the following output in the perf test up to 20 character words (which can now be searched in about 1.86 seconds with the sorted-char trie and the memoization sub-string cache)
* For a (len=1, time=1ms: found 0 words)
* For ab (len=2, time=0ms: found 0 words)
* For abs (len=3, time=0ms: found 0 words)
* For abse (len=4, time=0ms: found 3 words)
* For absen (len=5, time=0ms: found 13 words)
* For absent (len=6, time=0ms: found 31 words)
* For absentm (len=7, time=0ms: found 53 words)
* For absentmi (len=8, time=0ms: found 99 words)
* For absentmin (len=9, time=1ms: found 108 words)
* For absentmind (len=10, time=5ms: found 214 words)
* For absentminde (len=11, time=14ms: found 294 words)
* For absentminded (len=12, time=67ms: found 347 words)
* For absentmindedn (len=13, time=107ms: found 351 words)
* For absentmindedne (len=14, time=155ms: found 369 words)
* For absentmindednes (len=15, time=503ms: found 468 words)
* For absentmindedness (len=16, time=578ms: found 497 words)
* For absentmindednessq (len=17, time=1547ms: found 498 words)
* For absentmindednessqq (len=18, time=1642ms: found 498 words)
* For absentmindednessqqq (len=19, time=1754ms: found 498 words)
* For absentmindednessqqqq (len=20, time=1860ms: found 498 words)
*/
static void Main()
{
string wordsPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
"corncob_lowercase.txt");
var englishWords = File.ReadAllLines(wordsPath);
var wordDictionary = new TrieWordDictionary(englishWords);
RunPerfTest(wordDictionary);
RunGame(wordDictionary);
}
private static void RunGame(TrieWordDictionary wordDictionary)
{
bool keepGoing = true;
while (keepGoing)
{
Console.WriteLine("Enter characters to check. empty to exit.");
string upTiles = Console.ReadLine();
if (string.IsNullOrWhiteSpace(upTiles))
{
keepGoing = false;
}
else
{
ExecuteForWord(wordDictionary, upTiles, false);
Console.WriteLine();
}
}
}
