#include <iostream>
#include <vector>
 
struct Poop
{
    ~Poop(){
        printf("~Poop()\n");
    }
};
 
int main()
{
    std::vector< std::vector<Poop> > vec(1);
 
    printf("Adding...\n");
 
    // Add three elements; will call Poop's destructor three times
    vec[0].push_back(Poop());
    vec[0].push_back(Poop());
    vec[0].push_back(Poop());
 
    printf("\nRemoving...\n");
 
    // Will call each element in vec[0]'s destructor
    // So ~Poop() three times
    vec.pop_back();
 
    return 0;
}

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