programming-examples/c/Arrays/C Program to delete all the duplicate values from a given array.c
2019-11-15 12:59:38 +01:00

57 lines
1.3 KiB
C

/* Delete duplicate array elements - Program to delete all the duplicate values from a given array */
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, k, m, n, x[50] ;
clrscr() ;
printf("Enter the number of elements: ") ;
scanf("%d", &n) ;
printf("Enter the elements: \n") ;
for(i=0 ; i<n ; i++)
scanf("%d", &x[i]) ;
printf("Original array is as shown: \n") ;
for(i=0 ; i<n ; i++)
printf("%d ", x[i]) ;
printf("\n") ;
/* Removing duplicates */
m=n ;
for(i=0 ; i<n-1 ; i++)
for(j=i+1 ; j<m ; j++)
if(x[i]==x[j]) /* true if duplicate found */
{
for(k=j+1 ; k<m ; k++)
x[k-1]=x[k] ;
m-- ;
}
/* At this stage, array length is m not n */
printf("New array with no duplicates is as shown: \n") ;
for(i=0 ; i<m ; i++)
printf("%d ", x[i]) ;
getch();
}
/*
Output1:
Enter the number of elements: 8
Enter the elements:
2 1 4 2 9 6 4 5
Original array is as shown:
2 1 4 2 9 6 4 5
New array with no duplicates is as shown:
2 1 4 9 6 5
Output2:
Enter the number of elements: 4
Enter the elements:
2 8 4 5
Original array is as shown:
2 8 4 5
New array with no duplicates is as shown:
2 8 4 5
*/