How do I remove duplicates from a string in place?

How do I remove duplicates from a string in place?

1) By using for loop

  1. In the first step, we have to convert the string into a character array.
  2. Calculate the size of the array.
  3. Call removeDuplicates() method by passing the character array and the length.
  4. Traverse all the characters present in the character array.
  5. Check whether the str[i] is present before or not.

Which command is used to remove duplicate records?

The uniq command is used to remove duplicate lines from a text file in Linux. By default, this command discards all but the first of adjacent repeated lines, so that no output lines are repeated. Optionally, it can instead only print duplicate lines.

How to remove duplicates from a list in Java?

List after removing duplicate nodes: In the above list, node 2 is repeated thrice, and node 1 is repeated twice. Node current will point to head, and index will point to node next to current. Start traversing the list till a duplicate is found that is when current’s data is equal to index’s data.

How to remove duplicate nodes from a list?

removeDuplicate () will remove duplicate nodes from the list. Define a new node current which will initially point to head. Node temp will point to current and index will always point to node next to current. Loop through the list till current points to null.

How to remove duplicates from a list in SWI-Prolog?

This works for the list [a,a,b,c] but not for lists where two elements in the tail are the same. I figured I somehow have to remove the Head to a temporary list, create a new Head and just repeat the predicate. I have no idea how to do that.

How to remove duplicate elements from a singly linked list?

Loop through the list till current points to null. Check whether current?s data is equal to index’s data that means index is duplicate of current. Since index points to duplicate node so skip it by making node next to temp to will point to node next to index, i.e. temp.next = index.next.