1
7.000000
2
8.000000
36912
234567
false
true
3
hi
construct
construct with 0
construct with 100
make_pair
copy construct from 0 to 1
copy construct from 100 to 101
copy construct from 1 to 2
copy construct from 101 to 102
copy construct from 2 to 3
copy construct from 102 to 103
destruct with 102
destruct with 2
copy construct from 3 to 4
copy construct from 103 to 104
destruct with 3
destruct with 103
destruct with 101
destruct with 1
copy construct from 4 to 5
copy construct from 104 to 105
destruct with 4
destruct with 104
done
destruct with 5
destruct with 105
destruct with 100
destruct with 0