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#include <iostream>
#include <chrono>
#include <vector>
#include <tuple>
 
using namespace std;
using namespace std::chrono;
 
void function()
{
    long long number = 0;
 
    for( long long i = 0; i != 2000000; ++i )
    {
       number += 5;
    }
}
 
int main()
{
    high_resolution_clock::time_point t1 = high_resolution_clock::now();
    high_resolution_clock::time_point t3 = high_resolution_clock::now();
    high_resolution_clock::time_point t5 = high_resolution_clock::now();
    function();
    high_resolution_clock::time_point t2 = high_resolution_clock::now();
    high_resolution_clock::time_point t4 = high_resolution_clock::now();
    high_resolution_clock::time_point t6 = high_resolution_clock::now();
 
    auto duration1 = std::chrono::duration_cast<std::chrono::microseconds>( t2 - t1 ).count();
    auto duration2 = std::chrono::duration_cast<std::chrono::microseconds>( t4 - t3 ).count();
    auto duration3 = std::chrono::duration_cast<std::chrono::microseconds>( t6 - t5 ).count();
 
    auto durations = std::make_tuple(duration1,duration2,duration3);
 
    std::vector<std::tuple<std::chrono::microseconds,std::chrono::microseconds,std::chrono::microseconds>> list;
    list.push_back(durations);
 
    cout << duration1 << " -- "<< duration2 << " -- "<< duration3 << " -- ";
    return 0;
}

prog.cpp: In function 'int main()':
prog.cpp:36:29: error: no matching function for call to 'std::vector<std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > > >::push_back(std::tuple<long long int, long long int, long long int>&)'
     list.push_back(durations);
                             ^
prog.cpp:36:29: note: candidates are:
In file included from /usr/include/c++/4.9/vector:64:0,
                 from prog.cpp:3:
/usr/include/c++/4.9/bits/stl_vector.h:913:7: note: void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > >; _Alloc = std::allocator<std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > > >; std::vector<_Tp, _Alloc>::value_type = std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > >]
       push_back(const value_type& __x)
       ^
/usr/include/c++/4.9/bits/stl_vector.h:913:7: note:   no known conversion for argument 1 from 'std::tuple<long long int, long long int, long long int>' to 'const value_type& {aka const std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > >&}'
/usr/include/c++/4.9/bits/stl_vector.h:931:7: note: void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > >; _Alloc = std::allocator<std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > > >; std::vector<_Tp, _Alloc>::value_type = std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > >]
       push_back(value_type&& __x)
       ^
/usr/include/c++/4.9/bits/stl_vector.h:931:7: note:   no known conversion for argument 1 from 'std::tuple<long long int, long long int, long long int>' to 'std::vector<std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > > >::value_type&& {aka std::tuple<std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> >, std::chrono::duration<long long int, std::ratio<1ll, 1000000ll> > >&&}'

Standard output is empty