[Init] Solved solutions

cs/1B.cs

@@ -0,0 +1,58 @@
+using System;
+
+namespace problem_1B
+{
+    class problem_1B
+    {
+		static void Main(string[] args)
+		{
+			int n = int.Parse(Console.ReadLine());
+			for (int i = 0; i < n; i++)
+			{
+				string s = Console.ReadLine();
+				int pos_R = s.IndexOf('R');
+				int pos_C = s.IndexOf('C');
+				if (pos_R == 0 && pos_C > 1 && char.IsDigit(s[1]))
+				{
+					int r = int.Parse(s.Substring(1, pos_C - 1));
+					int c = int.Parse(s.Substring(pos_C + 1, s.Length - 1 - pos_C));
+					string output = "";
+                    while (c > 0)
+					{
+						if (c % 26 == 0)
+						{
+							output += "Z";
+							c = c / 26 - 1;
+						}
+						else
+						{
+							output += Convert.ToString(Convert.ToChar('A' + c % 26 - 1));
+							c /= 26;
+						}
+					}
+					for (int j = output.Length - 1; j >= 0; j--)
+					{
+						Console.Write(output[j]);
+					}
+					Console.WriteLine(r);
+				}
+				else
+				{
+					int j = 0;
+					int r = 0;
+					int c = 0;
+					while(char.IsDigit(s[j]) == false)
+					{
+						j++;
+					}
+					r = int.Parse(s.Substring(j, s.Length - j));
+					for (int k = 0; k < j; k++)
+					{
+						c = c * 26 + Convert.ToInt32(s[k]) + 1 - 'A';
+					}
+					Console.WriteLine("R{0}C{1}", r, c);
+				}
+			}
+		}
+	}
+}