split c++

vector<string>split(string s, char sp){
    string p = "";
    vector<string> splited;

    for (int i = 0; i < int(s.size()); ++i){
        if (s[i] == sp){
            splited.push_back(p);
            p = "";
        }else{
            p += s[i];
        }
    }
    splited.push_back(p);
    return splited;

}