C++ Program to Replace All Spaces in a String with %
Posted by Superadmin on August 10 2022 13:00:20

C++ Program to Replace All Spaces in a String with %

 

 

This is a C++ Program to Replace all Spaces in a String with %.

Problem Description

The program takes a string and replaces all spaces in it with %.

Problem Solution

1. The program takes a string.
2. The string is checked for spaces and replaced with %.
3. The result is printed.
4. Exit.

C++ Program/Source code

Here is the source code of C++ Program to Replace all Spaces in a String with %. The program output is shown below.

  1. #include<iostream>
  2. #include<string.h>
  3. using namespace std;
  4. int main ()
  5. {   
  6.     int i;
  7.     char str[50];
  8.     cout << "Enter string : ";
  9.     gets(str);
  10.     for (i = 0; str[i] !='\0'; i++)
  11.     {
  12. 	    if (str[i] == ' ')
  13.                 str[i]='%';
  14.     }			
  15.     cout << "Resultant string : " << str;
  16.     return 0; 
  17. }
Program Explanation

1. The program takes a string and stores it in the array ‘str’.
2. Using a for loop, the string is checked for spaces and replaced with ‘%’.
3. The result is then printed.

Runtime Test Cases
Case 1 :
Enter string : Well begun is half done.
Resultant string : Well%begun%is%half%done.
 
Case 2 :
Enter string : Greece
Resultant string : Greece
 
Case 3 :
Enter string :12 23 34 45
Resultant string : 12%23%34%45