Description
Get an array as input from the user and then remove all the duplicate elements in that array.
Input
Enter the size of array
5
Enter the elements of array
35 35 45 60 60
Output
35 45 60
C Program
#include<stdio.h>
int dupRemove(int arr[], int n)
{
if (n==0 || n==1)
return n;
int temp[n];
int j = 0;
for(int i=0; i<n-1; i++)
{
if (arr[i] != arr[i+1])
temp[j++] = arr[i];
}
temp[j++] = arr[n-1];
for(int i=0; i<j; i++)
arr[i] = temp[i];
return j;
}
int main()
{
int n;
printf("Enter the size of array: ");
scanf("%d",&n);
int arr[n];
printf("Enter the elements of array: ");
for(int i=0;i<n;i++)
scanf("%d",&arr[i]);
int s = dupRemove(arr, n);
for (int i=0; i<s; i++)
printf("%d ", arr[i]);
return 0;
}
C++ Program
#include<iostream>
using namespace std;
int dupRemove(int arr[], int n)
{
if (n==0 || n==1)
return n;
int temp[n];
int j = 0;
for(int i=0; i<n-1; i++)
{
if (arr[i] != arr[i+1])
temp[j++] = arr[i];
}
temp[j++] = arr[n-1];
for(int i=0; i<j; i++)
arr[i] = temp[i];
return j;
}
int main()
{
int n;
cout<<"Enter the size of array: ";
cin>>n;
int arr[n];
cout<<"Enter the elements of array: ";
for(int i=0;i<n;i++)
cin>>arr[i];
int s = dupRemove(arr, n);
for (int i=0; i<s; i++)
cout<<arr[i]<<" ";
return 0;
}
Java Program
import java.util.Scanner;
class Main
{
static int removeDup(int arr[], int n)
{
if (n==0 || n==1)
return n;
int j = 0;
for (int i=0; i<n-1; i++)
if (arr[i] != arr[i+1])
arr[j++] = arr[i];
arr[j++] = arr[n-1];
return j;
}
public static void main (String[] args)
{
int n;
Scanner sc = new Scanner(System.in);
System.out.println("Enter the size of the array: ");
n = sc.nextInt();
int[]arr = new int[n];
System.out.println("Enter the array elements: ");
for(int i = 0; i < n; i++)
{
arr[i] = sc.nextInt();
}
int s = removeDup(arr, n);
for (int i=0; i<s; i++)
System.out.print(arr[i]+" ");
}
}
Python Program
def removeDup(arr, n):
if n == 0 or n == 1:
return n
temp = list(range(n))
j = 0;
for i in range(0, n-1):
if arr[i] != arr[i+1]:
temp[j] = arr[i]
j += 1
temp[j] = arr[n-1]
j += 1
for i in range(0, j):
arr[i] = temp[i]
return j
n = int(input("Enter size of array: "))
arr = []
print("Enter array elements: ")
for i in range(0,n):
temp = int(input())
arr.append(temp)
n = removeDup(arr, n)
for i in range(n):
print ("%d"%(arr[i]), end = " ")
