count number of char in a string c++
#include <iostream>
#include <string>
using namespace std;
int main() {
string str = "Hello, World!";
int count = 0;
for (int i = 0; i < str.length(); i++) {
if (str[i] != ' ') {
count++;
}
}
cout << "The number of characters in the string is: " << count << endl;
return 0;
}