Convert first letter in string to uppercase

Question

I have a string: \"apple\". How can I convert only the first character to uppercase and get a new string in the form of \"Apple\"?

I can al

Answer 1

#include 
using namespace std;

void capitalize (string &s)
{
    bool cap = true;

    for(unsigned int i = 0; i <= s.length(); i++)
    {
        if (isalpha(s[i]) && cap == true)
        {
            s[i] = toupper(s[i]);
            cap = false;
        }
        else if (isspace(s[i]))
        {  
            cap = true;
        }
    }
}