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One can define a string as an assortment of characters followed by a null character.
This article focuses on the different ways C language developers use to reverse a string. Learn the different ways to execute reverse strings in the C programming language. But before we begin, learn what reverse a string in C means.
Let us first know what is Reverse A String In C.
The user’s input string, which was sent to your software in a specific order, gets entirely reversed when the reverse of a string algorithm is applied to it. The output, for instance, will be “olleh” if the string is “hello.”
The palindrome can be verified using this idea. A string that doesn’t change when reversed is called a palindrome. Therefore, a palindrome string will still have the same value even after being reversed.
A user-inputted string can be reversed using various methods using a C program. In the C programming language, a given string can be reversed using the strrev function, without strrev, recursion, pointers, or another string, or displaying it in the opposite order.
To reverse a string using recursion in C, you can define a recursive function that takes the string as input and returns the reversed string. Here’s a C program to achieve this:
Output
Also read about: What is Arrays in C, and C++ and Advantages and Disadvantages of Arrays in C, C++ and Java
To reverse a string in C using a while loop, you can iterate through the string from both ends and swap the characters until you reach the middle of the string.
Check this example using a while loop in the C programming language to output the reverse of a string.
Output
A for-loop method is another way we can reverse a string in C. To use this method, we need two pointers—one at the beginning of the index and the other at the index. Then switch the characters, raise the starting pointer, and lower the end pointer. Simply repeat this process until the initial pointer exceeds the end pointer.
C Code:
Output:
We can also reverse a string in C by recursion function. Recursion, as we are all aware, is a concept in which an operation is performed on a single element, and the recursive function call then returns the modified object.
C Code:
Output:
To reverse a string using pointers in C, you can use two pointers to traverse the string from both ends and swap the characters until you reach the middle of the string. The only difference is that we are utilizing Pointers to segregate the logic from the main program, just like when using recursion to reverse a string. Here’s a C program to achieve this:
Output
The stack is one of the most basic data structures that can be utilized for to reverse a string in C. We may use this characteristic to reverse the text because the stack adheres to the Last in, First out principle. The goal is to stack the string items and pop each separately. The popped elements arrive in reverse order in this manner.
C Code:
Output:
We trust that you comprehend the subject and now fully grasp the idea. Enroll in the Data Science and Analytics course by HeroVired to learn more about writing code for complicated outputs.
Get started with HeroVired’s skill-up course to discover and learn in-demand talents on your schedule if you want to improve your skill or perhaps consider taking a new course in this area.
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