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Program to show an example of Hashing using Mid-Square Method.

Posted By: Easy Tutor     Category: C++ Programming     Views: 6928

Write a program to show an example of Hashing using Mid-Square Method.

Code for Program to show an example of Hashing using Mid-Square Method. in C++ Programming

 # include <iostream.h>
 # include <string.h>
 # include <stdlib.h>
 # include <conio.h>
 # include <math.h>


 int main( )
 {
    clrscr( );

    cout << endl << "Mid-Square Hashing Method" << endl;
    cout << "*************************" << endl << endl;

    unsigned int iNumber = 0;
    unsigned int iLimit = 0;

    cout << "Enter the Number = N = ";
    cin >> iNumber;

    cout << endl << "Enter the Limit = K = ";
    cin >> iLimit;

    unsigned long lNumber = powl(iNumber, 2);

    char sNumber[50] = {NULL};

    ultoa(lNumber, sNumber, 10);

    int iCount = (strlen(sNumber) - iLimit);
    int iLength = 0;

    char sTemp[30] = {NULL};

    cout << endl << "K * K = "<< lNumber << endl;

    for (int i = 0; i < iCount; i ++)
    {
       iLength = (strlen(sNumber) - 1);

       if ( (i % 2) == 0)
       {
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }

       else
       {
      strrev(sNumber);
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);
      strrev(sTemp);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }
    }

    int iHashKey = atoi(sNumber);

    cout << endl << "Hashing Key = " << iHashKey;

    getch( );
    return 0;
 }




 /**************************************************************************  *************************************************************************  A C++ Program to show an example of Hashing using Mid-Square Method.  **************************************************************************  **************************************************************************/
 
 # include <iostream.h>
 # include <string.h>
 # include <stdlib.h>
 # include <conio.h>
 # include <math.h>


 int main( )
 {
    clrscr( );

    cout << endl << "Mid-Square Hashing Method" << endl;
    cout << "*************************" << endl << endl;

    unsigned int iNumber = 0;
    unsigned int iLimit = 0;

    cout << "Enter the Number = N = ";
    cin >> iNumber;

    cout << endl << "Enter the Limit = K = ";
    cin >> iLimit;

    unsigned long lNumber = powl(iNumber, 2);

    char sNumber[50] = {NULL};

    ultoa(lNumber, sNumber, 10);

    int iCount = (strlen(sNumber) - iLimit);
    int iLength = 0;

    char sTemp[30] = {NULL};

    cout << endl << "K * K = "<< lNumber << endl;

    for (int i = 0; i < iCount; i ++)
    {
       iLength = (strlen(sNumber) - 1);

       if ( (i % 2) == 0)
       {
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }

       else
       {
      strrev(sNumber);
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);
      strrev(sTemp);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }
    }

    int iHashKey = atoi(sNumber);

    cout << endl << "Hashing Key = " << iHashKey;

    getch( );
    return 0;
 }




 /**************************************************************************  *************************************************************************  A C++ Program to show an example of Hashing using Mid-Square Method.  **************************************************************************  **************************************************************************/
 
 # include <iostream.h>
 # include <string.h>
 # include <stdlib.h>
 # include <conio.h>
 # include <math.h>


 int main( )
 {
    clrscr( );

    cout << endl << "Mid-Square Hashing Method" << endl;
    cout << "*************************" << endl << endl;

    unsigned int iNumber = 0;
    unsigned int iLimit = 0;

    cout << "Enter the Number = N = ";
    cin >> iNumber;

    cout << endl << "Enter the Limit = K = ";
    cin >> iLimit;

    unsigned long lNumber = powl(iNumber, 2);

    char sNumber[50] = {NULL};

    ultoa(lNumber, sNumber, 10);

    int iCount = (strlen(sNumber) - iLimit);
    int iLength = 0;

    char sTemp[30] = {NULL};

    cout << endl << "K * K = "<< lNumber << endl;

    for (int i = 0; i < iCount; i ++)
    {
       iLength = (strlen(sNumber) - 1);

       if ( (i % 2) == 0)
       {
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }

       else
       {
      strrev(sNumber);
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);
      strrev(sTemp);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }
    }

    int iHashKey = atoi(sNumber);

    cout << endl << "Hashing Key = " << iHashKey;

    getch( );
    return 0;
 }




 /**************************************************************************  *************************************************************************  A C++ Program to show an example of Hashing using Mid-Square Method.  **************************************************************************  **************************************************************************/
 
 # include <iostream.h>
 # include <string.h>
 # include <stdlib.h>
 # include <conio.h>
 # include <math.h>


 int main( )
 {
    clrscr( );

    cout << endl << "Mid-Square Hashing Method" << endl;
    cout << "*************************" << endl << endl;

    unsigned int iNumber = 0;
    unsigned int iLimit = 0;

    cout << "Enter the Number = N = ";
    cin >> iNumber;

    cout << endl << "Enter the Limit = K = ";
    cin >> iLimit;

    unsigned long lNumber = powl(iNumber, 2);

    char sNumber[50] = {NULL};

    ultoa(lNumber, sNumber, 10);

    int iCount = (strlen(sNumber) - iLimit);
    int iLength = 0;

    char sTemp[30] = {NULL};

    cout << endl << "K * K = "<< lNumber << endl;

    for (int i = 0; i < iCount; i ++)
    {
       iLength = (strlen(sNumber) - 1);

       if ( (i % 2) == 0)
       {
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }

       else
       {
      strrev(sNumber);
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);
      strrev(sTemp);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }
    }

    int iHashKey = atoi(sNumber);

    cout << endl << "Hashing Key = " << iHashKey;

    getch( );
    return 0;
 }




 /**************************************************************************  *************************************************************************  A C++ Program to show an example of Hashing using Mid-Square Method.  **************************************************************************  **************************************************************************/
 
 # include <iostream.h>
 # include <string.h>
 # include <stdlib.h>
 # include <conio.h>
 # include <math.h>


 int main( )
 {
    clrscr( );

    cout << endl << "Mid-Square Hashing Method" << endl;
    cout << "*************************" << endl << endl;

    unsigned int iNumber = 0;
    unsigned int iLimit = 0;

    cout << "Enter the Number = N = ";
    cin >> iNumber;

    cout << endl << "Enter the Limit = K = ";
    cin >> iLimit;

    unsigned long lNumber = powl(iNumber, 2);

    char sNumber[50] = {NULL};

    ultoa(lNumber, sNumber, 10);

    int iCount = (strlen(sNumber) - iLimit);
    int iLength = 0;

    char sTemp[30] = {NULL};

    cout << endl << "K * K = "<< lNumber << endl;

    for (int i = 0; i < iCount; i ++)
    {
       iLength = (strlen(sNumber) - 1);

       if ( (i % 2) == 0)
       {
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }

       else
       {
      strrev(sNumber);
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);
      strrev(sTemp);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }
    }

    int iHashKey = atoi(sNumber);

    cout << endl << "Hashing Key = " << iHashKey;

    getch( );
    return 0;
 }




 /**************************************************************************  *************************************************************************  A C++ Program to show an example of Hashing using Mid-Square Method.  **************************************************************************  **************************************************************************/
 
 # include <iostream.h>
 # include <string.h>
 # include <stdlib.h>
 # include <conio.h>
 # include <math.h>


 int main( )
 {
    clrscr( );

    cout << endl << "Mid-Square Hashing Method" << endl;
    cout << "*************************" << endl << endl;

    unsigned int iNumber = 0;
    unsigned int iLimit = 0;

    cout << "Enter the Number = N = ";
    cin >> iNumber;

    cout << endl << "Enter the Limit = K = ";
    cin >> iLimit;

    unsigned long lNumber = powl(iNumber, 2);

    char sNumber[50] = {NULL};

    ultoa(lNumber, sNumber, 10);

    int iCount = (strlen(sNumber) - iLimit);
    int iLength = 0;

    char sTemp[30] = {NULL};

    cout << endl << "K * K = "<< lNumber << endl;

    for (int i = 0; i < iCount; i ++)
    {
       iLength = (strlen(sNumber) - 1);

       if ( (i % 2) == 0)
       {
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }

       else
       {
      strrev(sNumber);
      strset(sTemp, NULL);
      strncpy(sTemp, sNumber, iLength);
      strrev(sTemp);

      strset(sNumber, NULL);
      strcpy(sNumber, sTemp);
       }
    }

    int iHashKey = atoi(sNumber);

    cout << endl << "Hashing Key = " << iHashKey;

    getch( );
    return 0;
 }
  
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Easy Tutor
Easy Tutor author of Program to show an example of Hashing using Mid-Square Method. is from United States. Easy Tutor says

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