c++ で split

#include <cstdlib>
#include <iostream>
#include <vector>
#include <string>
#include <sstream>

int main(){
    std::string note_str("72,74,76,77,76,74,72,0");
    std::vector<int> notes;
    std::stringstream ss(note_str);
    std::string item;
    while (std::getline(ss, item, ',')) {
        if (!item.empty()) {
            int noteno = atoi(item.c_str());
            std::cout << noteno << std::endl;
        }
    }
}