// Classifying the letters in a C-style string

import <iostream>;

#include <cctype>

int main()

{

const int max_length {100}; // Array size

char text[max_length] {}; // Array to hold input string

std::cout << "Enter a line of text:" << std::endl;

// Read a line of characters including spaces

std::cin.getline(text, max_length);

std::cout << "You entered:\n" << text << std::endl;

size_t vowels {}; // Count of vowels

size_t consonants {}; // Count of consonants

for (int i {}; text[i] != '\0'; i++)

{

if (std::isalpha(text[i])) // If it is a letter...

{

switch (std::tolower(text[i]))

{ // ...check lowercase...

case 'a': case 'e': case 'i': case 'o': case 'u':

++vowels; // ...it is a vowel

break;

default:

++consonants; // ...it is a consonant

}

}

}

std::cout << "Your input contained " << vowels << " vowels and "

<< consonants << " consonants." << std::endl;

}