hashtask.cpp:11:72: warning: narrowing conversion of ‘std::distance<std::__detail::_Node_iterator<int, true, false> >(numbers.std::unordered_multiset<int>::begin(), it)’ from ‘std::__iterator_traits<std::__detail::_Node_iterator<int, true, false>, void>::difference_type’ {aka ‘long int’} to ‘int’ [-Wnarrowing]
11 | return vector<int>{distance(numbers.begin(),i),distance(numbers.begin(),it)};
| ~~~~~~^~~~~~~~~~~~~~~~~~
hashtask.cpp:11:72: warning: narrowing conversion of ‘std::distance<std::__detail::_Node_iterator<int, true, false> >(numbers.std::unordered_multiset<int>::begin(), it)’ from ‘std::__iterator_traits<std::__detail::_Node_iterator<int, true, false>, void>::difference_type’ {aka ‘long int’} to ‘int’ [-Wnarrowing]