Please answer question ASAP. The starter code is given. Fill in the code in the place that says //Your code here.

1 #include 2 #include 3 #include 4 #include 5 #include 6 7 using namespace std; 8 9 string findMidpointCourse(const vector>& pairs) { 10 // Your code here. 11 return "None"; 12 }; 13 14 int main() { 15 string line; 16 vector> pairs; 17 while (getline(cin, line)) { 18 istringstream iss(line); 19 vector parts(istream_iterator{iss}, istream_iterator()); 20 pairs.push_back(parts); 21 } 22 23 cout