Learn 2 CSharp 2

2. Fibonacci series, swapping two variables, finding maximum/minimum among a list of numbers. using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; namespace lrn2Csharp2 { class Program { static void Main( string[ ] args ) { int fibs = 21; int[ ] fib_series = new int[ fibs ]; Console.WriteLine( "Outputing Fib 0 through " + fibs ); for ( int i = 0; i < fib_series.Length; i++ ) { fib_series[ i ] = fibonacci( i ); } printArray( fib_series ); Console.WriteLine( "" ); Console.WriteLine( "Max in Fib Series: " + max( fib_series ) ); Console.WriteLine( "Min in Fib Series: " + min( fib_series ) ); Console.WriteLine( "Swapping front with end: " ); swap<int>( ref fib_series[ 0 ], ref fib_series[ fib_series.Length - 1 ] ); printArray( fib_series ); Console.WriteLine( "" ); Console.WriteLine( "Press esc to exit." ); while ( !keyPressHandler( Console.ReadKey( true ) ) ) { Thread.Sleep( 250 ); /* no op */ } } static void swap<T>( ref T lhs, ref T rhs ) { T temp; temp = lhs; lhs = rhs; rhs = temp; } public static int fibonacci( int n ) { if ( n <= 1 ) { return n; } else { return fibonacci( n - 1 ) + fibonacci( n - 2 ); } } public static int max( int[ ] n ) { int max = n[ 0 ]; for ( int _i = 0; _i < n.Length; _i++ ) { if ( n[ _i ] > max ) max = n[ _i ]; } return max; } public static int min( int[ ] n ) { int min = n[ 0 ]; for ( int _i = 0; _i < n.Length; _i++ ) { if ( n[ _i ] < min ) min = n[ _i ]; } return min; } public static void printArray( int[ ] n ) { for ( int _i = 0; _i < n.Length; _i++ ) { Console.Write( n[ _i ] + " " ); } } protected static Boolean keyPressHandler( ConsoleKeyInfo input ) { if ( input.Key == ConsoleKey.Escape ) return true; return false; } } }

posted by dharh 12:47 AM Nov 29th, 2009



2011: 5 3 1
2010: 12 9 7 1
2009: 12 11 8 5
2008: 12 5 4 3 2 1
2007: 12 11 10 9 8 7 6 5 4 3 2 1
2006: 12 11 10 9 8 7 6 5 4 3 2 1
2005: 12 10 7 6
2004: 10 9 6 5 4 3 2 1