How do you reverse a string with spaces?

How do you reverse a string with spaces?

Mark the space position of the given string in this string. Insert the character from the input string into the result string in reverse order. While inserting the character check if the result string already contains a space at index ‘j’ or not. If it contains, we copy the character to the next position.

How will you reverse a number without using a temporary variable?

C Program to swap two numbers without third variable

  1. #include
  2. int main()
  3. {
  4. int a=10, b=20;
  5. printf(“Before swap a=%d b=%d”,a,b);
  6. a=a+b;//a=30 (10+20)
  7. b=a-b;//b=10 (30-20)
  8. a=a-b;//a=20 (30-10)

How can I swap two characters without using temp?

How do you swap two string variables without using third or temp variable in java?

  1. public class SwapWithoutTemp {
  2. public static void main(String args[]) {
  3. String a = “Love”;
  4. String b = “You”;
  5. System.out.println(“Before swap: ” + a + ” ” + b);
  6. a = a + b;
  7. b = a.substring(0, a.length() – b.length());

How do you reverse a string in C?

Program 1: Print the reverse of a string using strrev() function

  1. #include
  2. #include
  3. int main()
  4. {
  5. char str[40]; // declare the size of character string.
  6. printf (” \n Enter a string to be reversed: “);
  7. scanf (“%s”, str);
  8. // use strrev() function to reverse a string.

How do you find the length of a string without the length?

  1. public static int getLengthOfStringWithCharArray(String str)
  2. { int length=0;
  3. char[] strCharArray=str. toCharArray(); for(char c:strCharArray)
  4. { length++;
  5. } return length;
  6. }

How are the reverse words in a string separated?

The words in s will be separated by at least one space. Return a string of the words in reverse order concatenated by a single space. Note that s may contain leading or trailing spaces or multiple spaces between two words. The returned string should only have a single space separating the words. Do not include any extra spaces.

Do you have to include spaces in a reverse string?

The returned string should only have a single space separating the words. Do not include any extra spaces. Input: s = ” hello world ” Output: “world hello” Explanation: Your reversed string should not contain leading or trailing spaces.

How to reverse a string to the next position?

Insert the character from the input string into the result string in reverse order. While inserting the character check if the result string already contains a space at index ‘j’ or not. If it contains, we copy the character to the next position. Below is the implementation of the above steps. The idea is to use two pointers to reverse.

How to reverse a string without affecting special characters?

Given a string, that contains a special character together with alphabets (‘a’ to ‘z’ and ‘A’ to ‘Z’), reverse the string in a way that special characters are not affected. Input: str = “a,b$c” Output: str = “c,b$a” Note that $ and , are not moved anywhere.