C++ Examples

WAP in C++ Program to capitalize the first letter of each word of a given string

The Program in  C++ Program to capitalize the first letter of each word of a given string is given below:

#include <iostream>
#include <string>

int main() {
  std::string input_string;
  std::cout << "Hello Codeauri Family,Enter a string here :\n ";
  std::getline(std::cin, input_string);

  for (int i = 0; i < input_string.length(); i++) {
    if (i == 0 || input_string[i - 1] == ' ') {
      input_string[i] = toupper(input_string[i]);
    }
  }

  std::cout << "Well, the capitalized string is: " << input_string << std::endl;
  return 0;
}

Output:

Hello Codeauri Family,Enter a string here :
haha smile please
Well, the capitalized string is: Haha Smile Please

Pro-Tips💡

This program takes a string as input from the user using std::getline and stores it in a std::string variable named input_string.

Then, it uses a for loop to iterate through the string and capitalize the first letter of each word.

The loop starts from the first character and increments the index until it reaches the end of the string.

The if statement inside the loop checks if the current character is the first character of the string or if the character preceding it is a space.

If either of these conditions is true, it capitalizes the current character using the toupper function.

Finally, the program displays the capitalized string.

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