Data commit

Task/Abbreviations-automatic/C-sharp/abbreviations-automatic.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+
+namespace Abbreviations {
+    class Program {
+        static void Main(string[] args) {
+            string[] lines = System.IO.File.ReadAllLines("days_of_week.txt");
+            int i = 0;
+
+            foreach (string line in lines) {
+                i++;
+                if (line.Length > 0) {
+                    var days = line.Split();
+                    if (days.Length != 7) {
+                        throw new Exception("There aren't 7 days in line " + i);
+                    }
+
+                    Dictionary<string, int> temp = new Dictionary<string, int>();
+                    foreach (string day in days) {
+                        if (temp.ContainsKey(day)) {
+                            Console.WriteLine(" ∞  {0}", line);
+                            continue;
+                        }
+                        temp.Add(day, 1);
+                    }
+
+                    int len = 1;
+                    while (true) {
+                        temp.Clear();
+                        foreach(string day in days) {
+                            string key;
+                            if (len < day.Length) {
+                                key = day.Substring(0, len);
+                            } else {
+                                key = day;
+                            }
+                            if (temp.ContainsKey(key)) {
+                                break;
+                            }
+                            temp.Add(key, 1);
+                        }
+                        if (temp.Count == 7) {
+                            Console.WriteLine("{0,2:D}  {1}", len, line);
+                            break;
+                        }
+                        len++;
+                    }
+                }
+            }
+        }
+    }
+}