16_Count_vowel.cpp

#include <bits/stdc++.h>
using namespace std;

int main()
{
    string str;
    cout << "Enter the string: ";
    cin >> str;
    int count = 0;
    for (int i = 0; str[i]; i++)
    {
        if (str[i] == 'a' || str[i] == 'e' || str[i] == 'i' || str[i] == 'o' || str[i] == 'u' || str[i] == 'A' || str[i] == 'E' || str[i] == 'I' || str[i] == 'O' || str[i] == 'U')
        {
            count++;
        }
    }
    cout << "The number of vowels is " << count << ".";

    return 0;
}