using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace SoloLearn { class Program { static void Main(string[] args) { Compressor c = new Compressor(); string str = c.Compress(Console.ReadLine()); Console.WriteLine(str + " Length:" + str.Length); str = c.UnCompress(str); Console.WriteLine(str + " Length:" + str.Length); } class Compressor { Dictionary charDict; int size; int charsize; public Compressor() { charDict = new Dictionary(); int n = 1; for (char a = 'a'; a <= 'z'; a++, n++) { charDict.Add(a, n); } for (char i = '0'; i <= '9'; i++, n++) { charDict.Add(i, n); } charDict.Add(' ', n++); charDict.Add('.', n); size = 6; charsize = 16; } string ToBase2(int num, int iter) { string result = ""; for (int i = 0; i < iter; i++) { result += num % 2; num /= 2; } return result; } int FromBase2(string str) { int res = 0; for (int i = 0; i < str.Length; i++) { res += str[i] == '1' ? (int)Math.Pow(2, i) : 0; } return res; } public string Compress(string str) { string compress = ""; for (int i = 0; i < str.Length; i++) { compress += ToBase2(charDict[str[i]], size); } string result = ""; for (int i = 0; i < compress.Length;) { string str2 = ""; for (int j = 0; j < charsize; j++, i++) { str2 += i < compress.Length ? compress[i] : '0'; } result += (char)FromBase2(str2); } return result; } public string UnCompress(string str) { string unCompress = ""; for (int i = 0; i < str.Length; i++) { unCompress += ToBase2(str[i], charsize); } string result = ""; for (int i = 0; i < unCompress.Length;) { string str2 = ""; for (int j = 0; j < size && i < unCompress.Length; j++, i++) { str2 += unCompress[i]; } int r = FromBase2(str2); if (r > 0) result += charDict.First(x => x.Value == r).Key; } return result; } } } }

Compress string