StringStream

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    include

    include

    include

    using namespace std;

    vector parseInts(string str) { int a; char ch; vector integers; stringstream ss(str); for (int i = 0; i < str.size()+1; i++) { if (str[i] == ',') { ss >> a >> ch; integers.push_back(a); } } ss >> a >> ch; integers.push_back(a); return integers; }

    int main() { string str; cin >> str; vector integers = parseInts(str); for(int i = 0; i < integers.size(); i++) { cout << integers[i] << "\n"; } return 0; }