Instructor Zhang's birthday question c # implementation

1 using System;
2 using System. Collections. Generic;
3 using System. Linq;
4 using System. Text;
5
6 namespace Birthday
7 {
8 class Program
9 {
10 /**/
11 /// <summary>
12 // both Xiao Ming and Xiao Qiang are students of Teacher Zhang. The birthday of Teacher Zhang is M-N,
13 // both of them know that Teacher Zhang's life is one day in the following 10 groups,
14 // instructor Zhang told James the M value and the N value to Xiaoqiang,
15 // Teacher Zhang asked them if they knew his birthday was that day?
16 // March 4 March 5 March 8
17 // June 4 June 7
18 // September 1 September 5
19 // December 1 December 2 December 8
20 // James said: If I don't know, I'm sure I don't know either.
21 // Xiaoqiang said: I didn't know either, but now I know
22 // James said: Oh, I know it too.
23 // based on the preceding dialog, determine the day of Miss Zhang's birthday ??
24 ///
25 /// Author: Mu Zi
26 // CopyRight: http://blog.moozi.net/
27 /// </summary>
28 /// <param name = "args"> </param>
29 static void Main (string [] args)
30 {
31 Dictionary <int, int []> birthdays = new Diction