Write a c program to remove all repeated characters from a given string. I want to remove all the repeated characters from a string.

Write a c program to remove all repeated characters from a given string. If there is no such character, return '$'. Java program for remove duplicate character from string. For example, given the input string “aabbccdef”, you would want to remove the duplicates to get the output string “abcdef”. We are given with an string and need to return the string after removing all its adjacent duplicate characters. Oct 17, 2024 · Given a string and a character, remove all the occurrences of the character in the string. To do so, we will require a string whose non-repeating characters are to be displayed as our input. Example: Input string: ababacd Output string: abcd You can use any programming language like C/C++, Java Q-Write a program for removing duplicate character from given string. Learn how to write a C program to remove all repeated characters from a given string. " --> as the null character is part of the string (As defined by the C library) - and there is only 1 in a string, I hope you do not want to remove that too. Oct 13, 2025 · C program to remove all repeated characters from a given string – In this article, we will discuss the multiple methods to remove all repeated characters from a given string in C programming. Steps to delete duplicate characters from a given string Following are the steps to delete duplicate characters from a given string ? Import all the necessary classes. . So an an example is if I pass string str = "DHCD" it will return "DHC" or st Oct 12, 2021 · Suppose we have a string s. This program will read a string and remove repeated consecutive characters from the string and print new updated string. Jul 2, 2021 · In this tutorial, you will learn to remove all duplicates from a given string in Python. Find all occurrences of current character in the string. You can do that simply by getting the set associated to the string, which is a mathematical object containing no repeated elements by definition. Avoid Reprinting Duplicates: To avoid printing The program takes a string input from the user and removes all the duplicate characters from the string. Apr 19, 2016 · Write a C program to remove all repeated characters in a string using loops. Our requirement is to have a character only once in the string. Then make up your own mind, given your requirements, as to which is the better approach. Design an algorithm and write code to remove the duplicate characters in a string without using any additional buffer. See the following examples. Method 3: By using LINQ: LINQ Distinct method is another way to remove duplicate You can use a loop to iterate over each character in a string and remove consecutive duplicates present in the string. We iterate through the input string, adding each character to the uniqueChars set. The string "azzy" contains duplicates, so it is further reduced to "ay". LinkedHashSet ensures that the order of the characters is preserved while eliminating duplicates. Note: The order of remaining characters in the output should be the same as in the original string. Below are the different methods to remove duplicates in a string. Given an input string, the goal is to eliminate repeated characters and return a new string with unique characters. Dec 24, 2015 · Write a C program to remove all occurrences of a given character from the string using loop. In this example, for loop iterate string from the first character to the last, and the if statement checks for the empty or whitespace character. GeeksforGeeks | A computer science portal for geeks Hmmm "remove all non duplicate characters from a string. Apr 17, 2016 · Write a C program to remove all occurrences of a given word in string using loop. May 4, 2023 · Given a string, we have to remove duplicate characters from the string such that each character appears only once (all the characters in the string should become unique). Jul 23, 2025 · Write a C# program for a given string S which may contain lowercase and uppercase characters. Can anyone explain me some way for removing duplicate characters from string ? Example: string str = "hello" and than that string should become "helo" Here, It is creating a HashSet of characters by passing the string user has entered. Using HashSet to Remove Duplicate Characters from a string Using LINQ to Remove Duplicate Characters from a string Program Description: Here, the user will input a string and that string may contain some characters multiple times. Today we will Learn how to Find Duplicate characters in a string using C++ programming language and will also discuss other methods. In this program we will not use another string to copy string after removing the characters; we can say this program is for removing consecutive characters from the string without using another string. So this is what I'm solving here. For example, if I have: "abcdabef" I want the result to be "cdef" I have tried with loops, but it's getting me confusing. 5yze haufq6 ji6p atf6pfua ksnlv3x dyz uq7l6 vzsdegqx xp ozr