vector<vector<string>> list;
int size; //number of columns
while(getline(file,line,','))
{
vector<string> test;
list.push_back(test);
list[i%size].push_back(line)
}

vector<vector<string>> list;
ifstream file("myfile.csv");
while(file){
  string line;
  if(!getline(file,line)) break;

  istringstream ss(line);
  vector<string> word;

  while(ss){
    string s;
    if(!getline(ss, s, ',')) break;
    word.push_back(s);
  }
  list.push_back(word);
}