www.pudn.com > sudoku.rar > PuzzleDifficulty.cs

//-------------------------------------------------------------------------- 
//  
//  Copyright (c) Microsoft Corporation.  All rights reserved.  
//  
//  File: PuzzleDifficulty.cs 
// 
//  Description: Puzzle difficulty enumeration. 
//  
//-------------------------------------------------------------------------- 
 
using System; 
 
namespace Microsoft.Sudoku 
{ 
	/// 
The level of difficulty for a puzzle.
 
	[Serializable] 
	public enum PuzzleDifficulty 
	{ 
		/// 
An easy puzzle.
 
		Easy, 
		/// 
A medium puzzle.
 
		Medium, 
		/// 
A hard puzzle.
 
		Hard, 
		/// 
An unsolvable puzzle, either because it has multiple solutions or no solutions.
 
		Invalid 
	} 
}