不熟的題目

06.reverse-linked-list
53.maximum-subarray
57.insert-interval
168.excel-sheet-column-title
973.k-closest-points-to-origin (學習 heap 的實作不能只會用 sort)
234.palindrome-linked-list (複習Floyd's + Reversal Solution)
100.same-tree (要 recursive + iteration 秒寫出來)
190.reverse-bits (要熟悉位元運算 bit wise operations)
2.add-two-numbers
15.3sum (寫熟寫順)
150.evaluate-reverse-polish-notation (要熟悉 stack 的實作+ 注意 input 順序)
322.coin-change (要熟悉 DP 的實作) 跟鬼一樣
98.validate-binary-search-tree (要熟悉 recursive 的實作)
208.implement-trie-prefix-tree (使用 tree 並快速寫出答案)
994.rotting-oranges 加速寫完
33.search-in-rotated-sorted-array (要熟悉 binary search 的實作)
75.sort-colors (用一個 while 快速寫完)
231.power-of-two (要熟悉位元運算 bit wise operations)
46.permutations 寫熟
236.lowest-common-ancestor-of-a-binary-tree (要熟悉 recursive 的實作) 並且跟 binary search tree 的版本一起練習
721.accounts-merge 重作一遍用 graph + dfs 的方法
17.letter-combinations-of-a-phone-number
202.happy-number
981.time-based-key-value-store 重寫一次
8.string-to-integer-atoi 寫熟
139.word-break (要熟悉 DP 的實作) 複習！！！
5.longest-palindromic-substring 想辦法簡化並分析複雜度
105.construct-binary-tree-from-preorder-and-inorder-traversal 看有沒有更快的方法
416.partition-equal-subset-sum (要熟悉拆解問題以及 DP 的實作)
79.word-search (重寫，用 board 來記 visited)
438.find-all-anagrams-in-a-string (要熟悉 sliding window 的實作) 重寫！
310.minimum-height-trees graph 重寫
621.task-scheduler 重寫熟悉 heap
146.lru-cache 重寫 double-linked list and hashmap
76.minimum-window-substring 重寫 sliding window
4.median-of-two-sorted-arrays 重寫
295.find-median-from-data-stream 重寫五分鐘內要寫完 heap 實作
127.word-ladder 重寫
23.merge-k-sorted-lists 重寫 HEAP!!!!!
224.basic-calculator 重寫
148.sort-list 熟練的使用 merge sort
692.top-k-frequent-words 重寫
1235.maximum-profit-in-job-scheduling 重寫熟悉 DP 的實作
84.largest-rectangle-in-histogram 重寫
179.largest-number 硬背吧
863.all-nodes-distance-k-in-binary-tree 重寫
124.binary-tree-maximum-path-sum 重寫
895.maximum-frequency-stack 重寫
1239.maximum-length-of-a-concatenated-string-with-unique-characters 重寫
523.continuous-subarray-sum 練習 prefix sums
77.combinations 練習 backtrack
51.n-queens 練習 backtrack
239.sliding-window-maximum 重寫

Name		Name	Last commit message	Last commit date
Latest commit History 33 Commits
1.two-sum.js		1.two-sum.js
100.same-tree.js		100.same-tree.js
101.symmetric-tree.js		101.symmetric-tree.js
102.binary-tree-level-order-traversal.js		102.binary-tree-level-order-traversal.js
103.binary-tree-zigzag-level-order-traversal.js		103.binary-tree-zigzag-level-order-traversal.js
104.maximum-depth-of-binary-tree.js		104.maximum-depth-of-binary-tree.js
105.construct-binary-tree-from-preorder-and-inorder-traversal.js		105.construct-binary-tree-from-preorder-and-inorder-traversal.js
108.convert-sorted-array-to-binary-search-tree.js		108.convert-sorted-array-to-binary-search-tree.js
11.container-with-most-water.js		11.container-with-most-water.js
110.balanced-binary-tree.js		110.balanced-binary-tree.js
111.minimum-depth-of-binary-tree.js		111.minimum-depth-of-binary-tree.js
112.path-sum.js		112.path-sum.js
113.path-sum-ii.js		113.path-sum-ii.js
118.pascals-triangle.js		118.pascals-triangle.js
119.pascals-triangle-ii.js		119.pascals-triangle-ii.js
121.best-time-to-buy-and-sell-stock.js		121.best-time-to-buy-and-sell-stock.js
1235.maximum-profit-in-job-scheduling.js		1235.maximum-profit-in-job-scheduling.js
1239.maximum-length-of-a-concatenated-string-with-unique-characters.js		1239.maximum-length-of-a-concatenated-string-with-unique-characters.js
124.binary-tree-maximum-path-sum.js		124.binary-tree-maximum-path-sum.js
125.valid-palindrome.js		125.valid-palindrome.js
127.word-ladder.js		127.word-ladder.js
13.roman-to-integer.js		13.roman-to-integer.js
1328.break-a-palindrome.js		1328.break-a-palindrome.js
133.clone-graph.js		133.clone-graph.js
136.single-number.js		136.single-number.js
137.single-number-ii.js		137.single-number-ii.js
139.word-break.js		139.word-break.js
14.longest-common-prefix.js		14.longest-common-prefix.js
141.linked-list-cycle.js		141.linked-list-cycle.js
143.reorder-list.js		143.reorder-list.js
144.binary-tree-preorder-traversal.js		144.binary-tree-preorder-traversal.js
145.binary-tree-postorder-traversal.js		145.binary-tree-postorder-traversal.js
146.lru-cache.js		146.lru-cache.js
148.sort-list.js		148.sort-list.js
15.3-sum.js		15.3-sum.js
150.evaluate-reverse-polish-notation.js		150.evaluate-reverse-polish-notation.js
155.min-stack.js		155.min-stack.js
1578.minimum-time-to-make-rope-colorful.js		1578.minimum-time-to-make-rope-colorful.js
160.intersection-of-two-linked-lists.js		160.intersection-of-two-linked-lists.js
168.excel-sheet-column-title.js		168.excel-sheet-column-title.js
169.majority-element.js		169.majority-element.js
17.letter-combinations-of-a-phone-number.js		17.letter-combinations-of-a-phone-number.js
171.excel-sheet-column-number.js		171.excel-sheet-column-number.js
179.largest-number.js		179.largest-number.js
182.duplicate-emails.js		182.duplicate-emails.js
189.rotate-array.js		189.rotate-array.js
190.reverse-bits.js		190.reverse-bits.js
191.number-of-1-bits.js		191.number-of-1-bits.js
199.binary-tree-right-side-view.js		199.binary-tree-right-side-view.js
2.add-two-numbers.js		2.add-two-numbers.js
20.valid-parentheses.js		20.valid-parentheses.js
200.number-of-islands.js		200.number-of-islands.js
202.happy-number.js		202.happy-number.js
203.remove-linked-list-elements.js		203.remove-linked-list-elements.js
206.reverse-linked-list.js		206.reverse-linked-list.js
207.course-schedule.js		207.course-schedule.js
208.implement-trie-prefix-tree.js		208.implement-trie-prefix-tree.js
21.merge-two-sorted-lists.js		21.merge-two-sorted-lists.js
212.word-search-ii.js		212.word-search-ii.js
215.kth-largest-element-in-an-array.js		215.kth-largest-element-in-an-array.js
217.contains-duplicate.js		217.contains-duplicate.js
22.generate-parentheses.js		22.generate-parentheses.js
224.basic-calculator.js		224.basic-calculator.js
225.implement-stack-using-queues.js		225.implement-stack-using-queues.js
226.invert-binary-tree.js		226.invert-binary-tree.js
23.merge-k-sorted-lists.js		23.merge-k-sorted-lists.js
230.kth-smallest-element-in-a-bst.js		230.kth-smallest-element-in-a-bst.js
231.power-of-two.js		231.power-of-two.js
232.implement-queue-using-stacks.js		232.implement-queue-using-stacks.js
234.palindrome-linked-list.js		234.palindrome-linked-list.js
235.lowest-common-ancestor-of-a-binary-search-tree.js		235.lowest-common-ancestor-of-a-binary-search-tree.js
236.lowest-common-ancestor-of-a-binary-tree.js		236.lowest-common-ancestor-of-a-binary-tree.js
237.delete-node-in-a-linked-list.js		237.delete-node-in-a-linked-list.js
238.product-of-array-except-self.js		238.product-of-array-except-self.js
239.sliding-window-maximum.js		239.sliding-window-maximum.js
242.valid-anagram.js		242.valid-anagram.js
257.binary-tree-paths.js		257.binary-tree-paths.js
258.add-digits.js		258.add-digits.js
26.remove-duplicates-from-sorted-array.js		26.remove-duplicates-from-sorted-array.js
260.single-number-iii.js		260.single-number-iii.js
268.missing-number.js		268.missing-number.js
27.remove-element.js		27.remove-element.js
278.first-bad-version.js		278.first-bad-version.js
283.move-zeroes.js		283.move-zeroes.js
287.find-the-duplicate-number.js		287.find-the-duplicate-number.js
290.word-pattern.js		290.word-pattern.js
292.nim-game.js		292.nim-game.js
295.find-median-from-data-stream.js		295.find-median-from-data-stream.js
297.serialize-and-deserialize-binary-tree.js		297.serialize-and-deserialize-binary-tree.js
3.longest-substring-without-repeating-characters.js		3.longest-substring-without-repeating-characters.js
310.minimum-height-trees.js		310.minimum-height-trees.js
32.longest-valid-parentheses.js		32.longest-valid-parentheses.js
322.coin-change.js		322.coin-change.js
326.power-of-three.js		326.power-of-three.js
328.odd-even-linked-list.js		328.odd-even-linked-list.js
329.longest-increasing-path-in-a-matrix.js		329.longest-increasing-path-in-a-matrix.js
33.search-in-rotated-sorted-array.js		33.search-in-rotated-sorted-array.js
334.increasing-triplet-subsequence.js		334.increasing-triplet-subsequence.js
338.counting-bits.js		338.counting-bits.js
344.reverse-string.js		344.reverse-string.js

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