Program for Reverse Characters String

January 31, 2023

Reverse Characters String

We will write a C program to print reverse characters string and the number will be entered by the user. This will help to understand the basic structure of programming. In this program , we will print the reverse characters string easily by using proper syntax and algorithms.

Working of Program :

In the program, we will require some numbers from the user to print the reverse characters of string.

Important Note :

String is a sequence of characters terminated with a null character.
Reversing of string is a method that reverse the order of given string.

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Note:

In the following program we will display the reverse of string using while() loop.

Syntax for while() Loop:-

while(condition)
{
    // Statements
    // Increment / Decrement
}

Problem 2

Write a program to the reverse of given string using while() loop.

Firstly, we have to enter the number.
Then print the reverse of string.

Code

Run

#include<stdio.h>
#include<string.h>
int main ()
{
  char str1[50], temp;
  int i = 0, j = 0;
  printf (" Enter a string to be reversed = ");
  scanf ("%s", str1);
  j = strlen (str1) - 1;
  while (i < j)
    {
      temp = str1[j];
      str1[j] = str1[i];
      str1[i] = temp;
      i++;
      j--;
    }
  printf (" The reversed of the string = %s", str1);
  return 0;
}

Output

Enter a string to be reversed = PrepInsta
The reversed of the string = atsnIperP

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