/*
Date:29/10/2008
Author: Deepak Majeti
report bugs to: mdeepak@cse.iitk.ac.in
*/

// 1. Create an array with enteries randomly selected from range 0 to 99. The
//    length of the array should be read from command line. Print the array on the monitor.
//    Now sort the array in decreasing order and print the sorted array on the monitor.


class ArraySort{

	public static void main(String args[]){

		int array[]=null;
		int arraySize=0;
		int temp=0;

		try{
		    arraySize=Integer.parseInt(args[0]);
		}catch(Exception e){
			  System.out.println("Please enter and integer(array size) as argument");
			  System.exit(0);
		}
	
		array=new int[arraySize];

		//fill the array randomly using numbers between 0-99 and print them
		System.out.println("Array being generated. The "+ arraySize+" numbers are:");

		for(int i=0;i<arraySize;i++){
		      array[i]=(int)(Math.random()*100);
		      System.out.print(array[i]+", ");
		}
		      System.out.println("\n");
		  //Sorting Algorithm (Selection Sort)
		 for(int i=0;i<arraySize;i++){
			for(int j=i+1;j<arraySize;j++){  
			      if(array[i]<array[j]){
				  temp=array[i];
				  array[i]=array[j];
				  array[j]=temp;
			      }
			}
		  }
		System.out.println("The descending order is:");

		for(int i=0;i<arraySize;i++){
		      System.out.print(array[i]+", ");
		}
		 System.out.println();
	  }
}