所以我试图计算元音，辅音和特殊字符。我得到了元音和特殊部分的工作，但不是辅音。这是代码；

#include <iostream>
using namespace std;

void characterType(string);

int main()
{
    string input = "Testing a sentence.";
    characterType(input);
}

void characterType(string input)
{
    int vowel, consonant, special = 0;
    
    for (int i = 0; i < input.length(); i++)
    {
        char character = input[i];
        
        if((character >= 'a' && character <= 'z') ||(character >= 'A' && character <= 'Z'))
        {
            character = tolower(character);
            
            if (character == 'a' || character == 'e' || character == 'i' || character == 'o' || character == 'u')
            {
                vowel++;
            }
            else
            {
                consonant++;
            }
        }
        else
        {
            special++;
        }
    }
    cout<< "Vowels: " << vowel << endl;
    cout<< "Consonant: " << consonant << endl;
    cout<< "Special Character: " << special << endl;
}

这是输出；

我似乎无法弄清楚，有人知道吗？

回答

int vowel, consonant, special = 0;

int vowel = 0, consonant = 0, special = 0;

int vowel = 0;
int consonant = 0;
int special = 0;