Write a program to delete duplicate element in a list of 10 elements & display it on screen.

Dr. A.P.J. Abdul Kalam Technical University, Lucknow

KCS151 / KCS251 Programming for Problem Solving - Using C Language

Lab Exercises

25. Write a program to delete duplicate element in a list of 10 elements & display it on screen.

/*

 File: Prgrm25.c

 Author: Aditya Saini

 Date: Jan 17, 2021

 Description: Program to delete duplicate element in a list & display it on screen.

*/

#include <stdio.h>

int main (void)

{

     int list[10], duplicate[10];

     int i, j, k, m;

     //Input list

     for (i = 0; i <= 9; i++)

     {

          printf ("Input %d element: ", i + 1);

          scanf ("%d", &list[i]);

     }

     //Print original list

     printf ("Original List: ");

     for (i = 0; i <= 9; i++)

          printf ("%d ", list[i]);

     printf ("\n");

     //Find and delete duplicate elements

     m = 0;

     for (i = 0; i <= 8 - m; i++)

          for (j = i + 1; j <= 9 - m; j++)

          {

               if (list[i] == list[j])

               {

                    duplicate[m] = list[j];

                    for (k = j; k <= 8 - m; k++)

                         list[k] = list[k + 1];

                    m++;

               }

          }

     //Print duplicate elements

     printf ("Duplicate elements: ");

     for (i = 0; i <= m - 1; i++)

          printf ("%d ", duplicate[i]);

     printf ("\n");

     //Print new list

     printf ("New List: ");

     for (i = 0; i <= 9 - m; i++)

          printf ("%d ", list[i]);

     return 0;

};

Output

Input 1 element: 56

Input 2 element: 24

Input 3 element: 94

Input 4 element: 27

Input 5 element: 56

Input 6 element: 98

Input 7 element: 56

Input 8 element: 27

Input 9 element: 40

Input 10 element: 24

Original List: 56 24 94 27 56 98 56 27 40 24

Duplicate elements: 56 56 24 27

New List: 56 24 94 27 98 40