get vector input from string in c 2b 2b

1vector<int> getVectorInput(string s){
2    string res="";
3    vector<int> arr;
4    for(auto e : s){
5        if(e==' '){
6            if(res.size()!=0)
7            arr.push_back(stoi(res));
8            res="";
9            continue;
10        }
11        res+=e;
12    }
13    if(res.size()!=0)
14        arr.push_back(stoi(res));
15    return arr;
16}