Update: not use dot imports

[awesee]

No description provided.

[codecov]

Codecov Report

Merging #706 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #706      +/-   ##
==========================================
- Coverage   99.28%   99.28%   -0.01%     
==========================================
  Files         220      220              
  Lines        2242     2241       -1     
==========================================
- Hits         2226     2225       -1     
  Misses         16       16

Impacted Files	Coverage Δ
...roblems/reverse-linked-list/reverse_linked_list.go	100% <ø> (ø)	⬆️
...o-linked-lists/intersection_of_two_linked_lists.go	100% <ø> (ø)	⬆️
problems/same-tree/same_tree.go	100% <ø> (ø)	⬆️
...s/merge-two-binary-trees/merge_two_binary_trees.go	100% <ø> (ø)	⬆️
...s/palindrome-linked-list/palindrome_linked_list.go	100% <ø> (ø)	⬆️
problems/add-two-numbers-ii/add_two_numbers_ii.go	100% <ø> (ø)	⬆️
...s/merge-two-sorted-lists/merge_two_sorted_lists.go	100% <ø> (ø)	⬆️
...e-in-a-linked-list/delete_node_in_a_linked_list.go	100% <ø> (ø)	⬆️
problems/symmetric-tree/symmetric_tree.go	100% <ø> (ø)	⬆️
...tree/convert_sorted_array_to_binary_search_tree.go	100% <ø> (ø)	⬆️
... and 12 more

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