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Program to illustrate the Radix Sort

Posted By: Easy Tutor     Category: C++ Programming     Views: 16647

A C++ Program to illustrate the Radix Sort.

Code for Program to illustrate the Radix Sort in C++ Programming

 # include <iostream.h>
 # include <conio.h>

 # define array_size 10

 void radix_sort(long []);


 main( )
    {
       clrscr( );

       long array[array_size]={0};

       cout<<"\n ******************************************************************************"<<endl;
       cout<<" *********************************  Radix Sort  *******************************"<<endl;
       cout<<" ******************************************************************************"<<endl;

       cout<<"\n * Array size = 10"<<endl;
       cout<<" * Data Type = long"<<endl;

       gotoxy(1,24);
       cout<<" ******************************************************************************";
       gotoxy(1,25);
       cout<<" ******************************************************************************";

       gotoxy(1,10);
       cout<<" Enter the array : "<<endl<<endl;

       for(int count_1=0;count_1<array_size;count_1++)
      {
         cout<<"\t Element["<<count_1<<"] = ";
         cin>>array[count_1];
      }

       radix_sort(array);

       gotoxy(40,10);
       cout<<" Sorted Array : ";

       for(int count_2=0;count_2<array_size;count_2++)
      {
         gotoxy(50,12+count_2);
         cout<<"Element["<<count_2<<"] = "<<array[count_2]<<endl;
      }

       getch( );
       return 0;

    }

 /*************************************************************************//*************************************************************************//***********************  Function Definitions  **************************//*************************************************************************//*************************************************************************//*************************************************************************///------------------------  radix_sort(long [])  ------------------------///*************************************************************************/void radix_sort(long array[])
    {
       int largest_element=array[0];

       for(int count_1=0;count_1<array_size;count_1++)
      {
         if(array[count_1]>largest_element)
        largest_element=array[count_1];
      }

       int maximum_digits=0;
       int temp=largest_element;

       do
      {
         temp/=10;
         maximum_digits++;
      }
       while(temp>0);

       for(int count_2=0;count_2<maximum_digits;count_2++)
      {
         int queue[10][array_size]={0};
         int front[10];
         int rear[10];

         for(int count_3=0;count_3<10;count_3++)
        {
           front[count_3]=-1;
           rear[count_3]=-1;
        }

         for(int count_4=0;count_4<array_size;count_4++)
        {
           int temp=array[count_4];

           for(int count_5=0;count_5<count_2;count_5++)
              temp/=10;

           int significant_digit=temp%10;

           if(rear[significant_digit]==-1)
              {
             rear[significant_digit]=0;
             front[significant_digit]=0;
              }

           else
              rear[significant_digit]++;

           queue[significant_digit][rear[significant_digit]]=
                                  array[count_4];
        }

         int count_6=0;
         int count_7=0;

         do
        {
           if(front[count_7]==0)
              {
             do
                {
                   array[count_6]=queue[count_7][front[count_7]];
                   front[count_7]++;
                   count_6++;
                }
             while(front[count_7]<=rear[count_7]);
              }

           count_7++;
        }
         while(count_6<array_size);

      }
    }
  
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Easy Tutor
Easy Tutor author of Program to illustrate the Radix Sort is from United States. Easy Tutor says

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