diff options
Diffstat (limited to 'Algorithms')
-rw-r--r-- | Algorithms/Part-I/1-Percolation/Percolation.java | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Algorithms/Part-I/1-Percolation/Percolation.java b/Algorithms/Part-I/1-Percolation/Percolation.java new file mode 100644 index 0000000..a866013 --- /dev/null +++ b/Algorithms/Part-I/1-Percolation/Percolation.java @@ -0,0 +1,72 @@ +/* vim: set expandtab tabstop=4 shiftwidth=4 : */ + +// package pkgname; + +import java.io.File; +import java.util.Date; +import jargs.gnu.CmdLineParser; + +public class Percolation { + public Percolation(int N) // create N-by-N grid, with all sites blocked + public void open(int i, int j) // open site (row i, column j) if it is not already + public boolean isOpen(int i, int j) // is site (row i, column j) open? + public boolean isFull(int i, int j) // is site (row i, column j) full? + public boolean percolates() // does the system percolate? +} +/** + * Class Percolation + * + * @author <john.doe@nope.com> + * @date 02/03/13 + */ + public class Percolation { + + /* + * print usage and exit with status 1 + */ + private static void printUsage () { + System.err.println("Usage : Percolation [{-d, --debug} a_float] [ --input file_name]"); + System.err.println(" debug : debug verbosity"); + System.err.println(" input : path to input file"); + } + + /** + * application entry point + */ + public static void main (String [] args ) { + + CmdLineParser parser = new CmdLineParser(); + CmdLineParser.Option debug = parser.addIntegerOption('d',"debug"); + CmdLineParser.Option input = parser.addStringOption("input"); + + try { + parser.parse(args); + } catch(CmdLineParser.OptionException e) { + System.err.println("\n"+e.getMessage()); + printUsage(); + System.exit(2); + } + + int debugLevel = ((Integer)parser.getOptionValue(debug,new Integer(0))).intValue(); + String inputFile = (String)parser.getOptionValue(input); + + if(debugLevel>0){ + System.out.println("Debug Trace :"); + System.out.println("\t"+new Date( ) ); + System.out.println("\tdebug level : "+debugLevel); + System.out.println("\texcel file : "+inputFile); + } + + if(inputFile!=null && !inputFile.equals("")){ + File f = new File(inputFile); + if(!f.canRead()){ + System.err.println("Fatal Error : Unable to read "+inputFile); + System.exit(1); + } + } + + System.exit(0); + } +} + + |