using System;
using System.Collections.Generic;
public class Program
{
public static void Main()
{
Student stu = new Student();
while(true){
stu.IsChosen(stu.GetRandomLineNumber(),stu.GetRandomCollNumber());
if (stu.FullyChosen()) { stu.InitDict(); }
Console.ReadLine();
}
}
}
public class Student
{
public Dictionary<(int, int), bool> stuDic;
private static int maxLN = 8;
private static int maxCN = 4;
public Student()
{
stuDic = new Dictionary<(int, int), bool>();
InitDict();
}
public void InitDict()
{
for (int i = 1; i <= maxLN; i++)
{
for (int j = 1; j <= maxCN; j++)
{
if (j == maxCN && (i == 3 || i == 4 || i == 8))
{
continue;
}
var key = (i,j);
if (!this.stuDic.ContainsKey(key))
{
this.stuDic.Add(key, false);
}
}
}
}
public void IsChosen(int i, int j)
{
this.stuDic[(i, j)] = true;
System.Console.WriteLine("{0}-{1}",i,j);
}
public bool FullyChosen()
{
foreach (bool value in this.stuDic.Values)
{
if (value)
{
return true;
}
}
return false;
}
public int GetRandomLineNumber()
{
Random rand = new Random();
return rand.Next(1, 8);
}
public int GetRandomCollNumber()
{
Random rand = new Random();
return rand.Next(1, 4);
}
}