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  1. using System;
  2.         using System.Collections.Generic;
  3.         using System.Linq;
  4.  
  5.         public class Test
  6.         {
  7.                 public static void Main()
  8.                 {
  9.                         List<string> validatedStrings = new List<string>();
  10.                         List<string> subjectStrings = new List<string>()
  11.                         {
  12.                                 "con", "cot", "eon", "net", "not", "one", "ten", "toe", "ton",
  13.                                         "cent", "cone", "conn", "cote", "neon", "none", "note", "once", "tone",
  14.                                         "cento", "conte", "nonce", "nonet", "oncet", "tenon", "tonne",
  15.                                         "nocent","concent", "connect"
  16.                         }; //got a more longer wordlist
  17.  
  18.                         string startswithString = "co";
  19.                         string endswithString = "et";
  20.  
  21.  
  22.                        var sw =getCombinations(startswithString);
  23. 						var ew = getCombinations(endswithString);
  24.  
  25.  
  26. 						 validatedStrings = subjectStrings.Where(z=> 
  27. 					    sw.Any(x=>z.StartsWith(x) && 
  28. 					        !ew.Any(y=>z.EndsWith(y))))
  29. 					        .ToList();
  30.  
  31.  
  32.                         foreach(var a in validatedStrings)
  33.                         {
  34.                                 Console.WriteLine(a);
  35.                         }
  36.                         Console.WriteLine("\nDone");
  37.                 }
  38.  
  39.  
  40.                 static List<string> getCombinations(string s)
  41.                 {
  42.                         //Code that calculates combinations
  43.                         return Permutations.Permutate(s);
  44.                 }
  45.         }
  46.  
  47.         public class Permutations
  48.         {
  49.                 private static List<List<string>> allCombinations;
  50.  
  51.                 private static void CalculateCombinations(string word, List<string> temp)
  52.                 {
  53.                         if (temp.Count == word.Length)
  54.                         {
  55.                                 List<string> clone = temp.ToList();
  56.                                 if (clone.Distinct().Count() == clone.Count)
  57.                                 {
  58.                                         allCombinations.Add(clone);
  59.                                 }
  60.                                 return;
  61.                         }
  62.  
  63.                         for (int i = 0; i < word.Length; i++)
  64.                         {
  65.                                 temp.Add(word[i].ToString());
  66.                                 CalculateCombinations(word, temp);
  67.                                 temp.RemoveAt(temp.Count - 1);
  68.                         }
  69.                 }
  70.  
  71.                 public static List<string> Permutate(string str)
  72.                 {
  73.                         allCombinations = new List<List<string>>();
  74.                         CalculateCombinations(str, new List<string>());
  75.                         List<string> combinations = new List<string>();
  76.                         foreach(var a in allCombinations)
  77.                         {
  78.                                 string c = "";
  79.                                 foreach(var b in a)
  80.                                 {
  81.                                         c+=b;
  82.                                 }
  83.                                 combinations.Add(c);
  84.                         }
  85.                         return combinations;
  86.                 }
  87.         }
Success #stdin #stdout 0.07s 34184KB
comments (?)
stdin 
Standard input is empty
stdout 
con
cot
cone
conn
concent
connect

Done
https://ideone.com/nXdQJh
language:
C# (gmcs 5.20.1)
created:
11 years ago
visibility:
public

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