Bitwise operator and Student mark list and perform radix sort in C++ Programming

Code for Program to show the use of Bitwise Operator Left Shift in C++ Programming

 # include 

 # include

 void binary_code(int);

 void main( )

    {

       clrscr( );

       textmode(bw80);

       int n;

       int bits;

       cout<<"\n Enter the value of n = ";

       cin>>n;

       cout<<"\n The Binary code of value of n = ";

       binary_code(n);

       cout<<"\n\n Enter the number of bits to shift left = ";

       cin>>bits;

       n=n<

       cout<<"\n The value of n after Left Shifting = "<

       cout<<"\n\n The Binary code of modified value of n = ";

       binary_code(n);

       getch( );

    }

/*************************************************************************///---------------------------  binary_code( )  ------------------------///*************************************************************************/

void binary_code(int number)

    {

       int remainder;

       int qutiont;

       int count=0;

       int x=(wherex( )+16);

       int y=wherey( );

       if(number>0)

      {

         while(number>0)

        {

           qutiont=number/2;

           remainder=number%2;

           number=qutiont;

           gotoxy((x-count),y);

           cout<

           count++;

        }

      }

       else

      {

         gotoxy((x-count),y);

         cout<<"0";

      }

    }

Code for Program that reads marks of a students and computes and displays grade in C++ Programming

#include

#include

int main()

    {

       clrscr();

       int marks;

       char grade;

       cout<<"\n Enter your Marks = ";

       cin>>marks;

       switch(marks/10)

      {

         case 10 :  grade='A';

            break;

         case 9 :  grade='A';

            break;

         case 8 :  grade='A';

            break;

         case 7 :  grade='B';

            break;

         case 6 :  grade='C';

            break;

         case 5 :  grade='D';

            break;

         default : grade='F';

      }

       cout<<"\n Your Grade is = "<

       getch();

       return 0;

    }

Program to perform radix sort in C++ Programming

#include 

#include 

#define max 10

class radixsort

{

    int arr[max],n;

    public:

    void getdata();

    void showdata();

    void sortLogic();

};

void radixsort :: getdata()

{

    cout<<"How many elements you require : ";

    cin>>n;

    for(int i=0;i

        cin>>arr[i];

}

void radixsort :: showdata()

{

    cout<<"\n--Display--\n";

    for(int i=0;i

        cout<"   ";

}

void radixsort :: sortLogic()

{

    for base 10int temp;

    int bucket[10][20], buck_count[10], b[10];

    int i,j,k,r,no_of_passes=0,divisor=1,largest,pass_no;

    largest=arr[0];

    for(i=1;i  

    {

        if(arr[i] > largest)

            largest=arr[i];

    }

    while(largest > 0)  

    {

        no_of_passes++;

        largest /= 10;

    }

    for(pass_no=0; pass_no < no_of_passes; pass_no++)

   {

        for(k=0; k<10 k="" span="">

            buck_count[k]=0; 

           {

            r=(arr[i]/divisor) % 10;

            bucket[r][buck_count[r]++]=arr[i];

        }

        i=0; 

        {

            for(j=0; j

                arr[i++] = bucket[k][j];

        }

        divisor *= 10;

    }

}

void main()

{

    clrscr();

    cout<<"\n*****Radix Sort*****\n";

    radixsort obj;

    obj.getdata();

    obj.sortLogic();

    obj.showdata();

    getch();

}