#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main() {
vector<vector<string>> myvect{{"a","b"}, {"a","b"} } ;
std::cout << myvect.size() << endl;
for (int i = 0; i < myvect.size(); ++i) std::cout << myvect[i].size() << " ";
std::cout << std::endl;
// your code goes here
return 0;
}
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