Custom Sorting a vector of tuples

Question

I have a vector of tuples like

vector> v;

I believe that when the default comparison kicks in for tuple types, i

Answer 1

You can do it like this

#include 
#include 
#include 
#include 
using namespace std;

vector> v;

int main() {
  v.push_back(std::make_tuple(1,1.2,'c'));
  v.push_back(std::make_tuple(1,1.9,'e'));
  v.push_back(std::make_tuple(1,1.7,'d'));

  sort(v.begin(),v.end(),
       [](const tuple& a,
       const tuple& b) -> bool
       {
         return std::get<1>(a) > std::get<1>(b);
       });

  cout << std::get<2>(v[0]) << endl;
  return 0;
}