The Program in C++ Program to Count all the Vowels in 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 to count the number of vowels: ";
std::getline(std::cin, input_string);
int vowel_count = 0;
for (char c : input_string) {
c = tolower(c);
if (c == 'a' || c == 'e' || c == 'i' || c == 'o' || c == 'u') {
vowel_count++;
}
}
std::cout << "Well,the number of vowels in the string is: " << vowel_count << std::endl;
return 0;
}
Output:
Hello Codeauri Family,Enter a string here to count the number of vowels: Have a Wonderful day Codeauri Family
Well,the number of vowels in the string is: 14
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 with a range-based for loop to iterate through the string and count the number of vowels.
The tolower function from the cctype library is used to convert the characters to lowercase, so that the program can handle uppercase and lowercase vowels.
If a character is found to be a vowel, the vowel_count variable is incremented.
Finally, the program displays the number of vowels in the string
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