Duplicate Removal

• Problem Description

  
  Program to Delete duplicate elements from an array

• Test Case 1

  
  Input (stdin)

  5
  
  1 3 4 5 3
  
  

  Expected Output

  1 3 4 5

• Test Case 2

  
  Input (stdin)

  3
  
  1 3 3
  
  

  Expected Output

  1 3

• Program

• #include <stdio.h>
  int main()
  {
  int arr[20], i, j, k, size;
   
     
     scanf("%d", &size);
   
     
     for (i = 0; i < size; i++)
        scanf("%d", &arr[i]);
   
     printf("\n");
     for (i = 0; i < size; i++) {
        for (j = i + 1; j < size;) {
           if (arr[j] == arr[i]) {
              for (k = j; k < size; k++) {
                 arr[k] = arr[k + 1];
              }
              size--;
           } else
              j++;
        }
     }
   
     for (i = 0; i < size; i++) {
        printf("%d ", arr[i]);
     }
   return 0;
  }