sorting vector of vector of strings in C++

Question

I am having trouble to figure out, how to sort a vector of vector of strings, here is the testing code.

#include <iostream>
#include <vector>
#incl         


        

Answer 1

Check out the sort function from algorithm:

template  void sort ( RandomAccessIterator first, RandomAccessIterator last );

template  void sort ( RandomAccessIterator first, RandomAccessIterator last, Compare comp );

Click here for an example + docs