My leetcode solutions

Language: java
Last updated: 2019-04-06

The source code is fetched using the tool leetcode-spider.

#	Problems	Solutions	Difficulty	Acceptance	Paid-Only
001	two-sum	java	Easy	42.84%
002	add-two-numbers	java	Medium	30.81%
003	longest-substring-without-repeating-characters	java	Medium	28.12%
004	median-of-two-sorted-arrays	java	Hard	25.83%
005	longest-palindromic-substring	java	Medium	26.87%
006	zigzag-conversion	java	Medium	31.10%
007	reverse-integer	java	Easy	25.22%
008	string-to-integer-atoi	java	Medium	14.55%
009	palindrome-number	java	Easy	42.51%
010	regular-expression-matching	java	Hard	25.07%
011	container-with-most-water	java	Medium	43.31%
012	integer-to-roman	java	Medium	50.16%
013	roman-to-integer	java	Easy	51.86%
014	longest-common-prefix	java	Easy	33.17%
015	3sum	java	Medium	23.66%
016	3sum-closest	java	Medium	42.06%
017	letter-combinations-of-a-phone-number	java	Medium	40.84%
018	4sum	java	Medium	30.01%
019	remove-nth-node-from-end-of-list	java	Medium	34.09%
020	valid-parentheses	java	Easy	36.13%
021	merge-two-sorted-lists	java	Easy	46.37%
022	generate-parentheses	java	Medium	53.79%
023	merge-k-sorted-lists		Hard	33.53%
024	swap-nodes-in-pairs		Medium	43.74%
025	reverse-nodes-in-k-group		Hard	35.73%
026	remove-duplicates-from-sorted-array		Easy	40.03%
027	remove-element		Easy	43.94%
028	implement-strstr		Easy	31.52%
029	divide-two-integers		Medium	16.14%
030	substring-with-concatenation-of-all-words		Hard	23.31%
031	next-permutation		Medium	30.18%
032	longest-valid-parentheses		Hard	25.12%
033	search-in-rotated-sorted-array		Medium	32.73%
034	find-first-and-last-position-of-element-in-sorted-array	java	Medium	33.17%
035	search-insert-position	java	Easy	40.59%
036	valid-sudoku	java	Medium	42.31%
037	sudoku-solver	java	Hard	36.02%
038	count-and-say	java	Easy	39.87%
039	combination-sum	java	Medium	47.33%
040	combination-sum-ii	java	Medium	40.64%
041	first-missing-positive	java	Hard	28.46%
042	trapping-rain-water	java	Hard	42.40%
043	multiply-strings	java	Medium	30.20%
044	wildcard-matching	java	Hard	22.52%
045	jump-game-ii	java	Hard	27.69%
046	permutations	java	Medium	54.05%
047	permutations-ii	java	Medium	39.62%
048	rotate-image	java	Medium	47.43%
049	group-anagrams	java	Medium	45.48%
050	powx-n	java	Medium	27.72%
051	n-queens	java	Hard	38.24%
052	n-queens-ii	java	Hard	51.13%
053	maximum-subarray	java	Easy	43.09%
054	spiral-matrix		Medium	29.91%
055	jump-game		Medium	31.52%
056	merge-intervals		Medium	35.15%
057	insert-interval		Hard	30.94%
058	length-of-last-word	java	Easy	32.20%
059	spiral-matrix-ii	java	Medium	45.75%
060	permutation-sequence	java	Medium	32.58%
061	rotate-list	java	Medium	26.74%
062	unique-paths	java	Medium	46.83%
063	unique-paths-ii	java	Medium	33.28%
064	minimum-path-sum	java	Medium	46.03%
065	valid-number	java	Hard	13.88%
066	plus-one	java	Easy	40.88%
067	add-binary	java	Easy	38.37%
068	text-justification	java	Hard	22.74%
069	sqrtx	java	Easy	30.93%
070	climbing-stairs	java	Easy	43.74%
071	simplify-path	java	Medium	28.35%
072	edit-distance	java	Hard	36.85%
073	set-matrix-zeroes	java	Medium	39.25%
074	search-a-2d-matrix	java	Medium	34.73%
075	sort-colors	java	Medium	41.60%
076	minimum-window-substring	java	Hard	30.18%
077	combinations	java	Medium	46.58%
078	subsets		Medium	51.65%
079	word-search		Medium	30.69%
080	remove-duplicates-from-sorted-array-ii		Medium	39.78%
081	search-in-rotated-sorted-array-ii		Medium	32.50%
082	remove-duplicates-from-sorted-list-ii		Medium	32.45%
083	remove-duplicates-from-sorted-list		Easy	42.12%
084	largest-rectangle-in-histogram		Hard	30.56%
086	partition-list		Medium	36.64%
088	merge-sorted-array		Easy	35.17%
089	gray-code		Medium	45.22%
090	subsets-ii		Medium	41.77%
091	decode-ways		Medium	22.03%
092	reverse-linked-list-ii	java	Medium	34.35%
093	restore-ip-addresses	java	Medium	30.96%
094	binary-tree-inorder-traversal	java	Medium	55.65%
096	unique-binary-search-trees	java	Medium	45.49%
098	validate-binary-search-tree	java	Medium	25.42%
100	same-tree	java	Easy	49.64%
101	symmetric-tree	java	Easy	42.99%
102	binary-tree-level-order-traversal	java	Medium	47.56%
103	binary-tree-zigzag-level-order-traversal	java	Medium	40.91%
104	maximum-depth-of-binary-tree	java	Easy	59.68%
105	construct-binary-tree-from-preorder-and-inorder-traversal	java	Medium	40.02%
106	construct-binary-tree-from-inorder-and-postorder-traversal	java	Medium	38.43%
107	binary-tree-level-order-traversal-ii	java	Easy	46.02%
108	convert-sorted-array-to-binary-search-tree	java	Easy	49.75%
109	convert-sorted-list-to-binary-search-tree	java	Medium	39.98%
110	balanced-binary-tree	java	Easy	40.58%
111	minimum-depth-of-binary-tree	java	Easy	35.01%
112	path-sum	java	Easy	37.29%
113	path-sum-ii	java	Medium	39.85%
114	flatten-binary-tree-to-linked-list	java	Medium	41.55%
115	distinct-subsequences		Hard	34.67%
116	populating-next-right-pointers-in-each-node		Medium	37.15%
117	populating-next-right-pointers-in-each-node-ii		Medium	33.80%
118	pascals-triangle		Easy	45.05%
119	pascals-triangle-ii		Easy	42.58%
120	triangle		Medium	38.68%
121	best-time-to-buy-and-sell-stock		Easy	46.60%
122	best-time-to-buy-and-sell-stock-ii		Easy	51.25%
124	binary-tree-maximum-path-sum		Hard	29.54%
125	valid-palindrome		Easy	30.53%
127	word-ladder		Medium	23.35%
128	longest-consecutive-sequence		Hard	41.16%
129	sum-root-to-leaf-numbers		Medium	41.79%
130	surrounded-regions		Medium	22.34%
131	palindrome-partitioning		Medium	40.04%
132	palindrome-partitioning-ii		Hard	26.92%
133	clone-graph		Medium	25.67%
134	gas-station	java	Medium	33.20%
136	single-number	java	Easy	59.41%
137	single-number-ii	java	Medium	45.43%
138	copy-list-with-random-pointer	java	Medium	26.22%
139	word-break	java	Medium	34.70%
140	word-break-ii	java	Hard	26.89%
141	linked-list-cycle	java	Easy	36.19%
142	linked-list-cycle-ii	java	Medium	31.32%
143	reorder-list	java	Medium	30.16%
144	binary-tree-preorder-traversal	java	Medium	50.66%
145	binary-tree-postorder-traversal	java	Hard	47.47%
146	lru-cache	java	Hard	24.54%
147	insertion-sort-list	java	Medium	36.68%
148	sort-list	java	Medium	34.41%
149	max-points-on-a-line	java	Hard	15.62%
150	evaluate-reverse-polish-notation	java	Medium	31.64%
152	maximum-product-subarray	java	Medium	28.75%
153	find-minimum-in-rotated-sorted-array	java	Medium	42.65%
154	find-minimum-in-rotated-sorted-array-ii	java	Hard	39.09%
155	min-stack	java	Easy	36.15%
160	intersection-of-two-linked-lists		Easy	32.86%
162	find-peak-element		Medium	40.93%
166	fraction-to-recurring-decimal		Medium	19.28%
167	two-sum-ii-input-array-is-sorted		Easy	49.71%
169	majority-element		Easy	51.90%
171	excel-sheet-column-number		Easy	51.08%
172	factorial-trailing-zeroes		Easy	37.29%
179	largest-number		Medium	25.44%
187	repeated-dna-sequences		Medium	35.58%
189	rotate-array		Easy	29.37%
190	reverse-bits		Easy	30.57%
191	number-of-1-bits		Easy	42.41%
198	house-robber		Easy	40.87%
199	binary-tree-right-side-view		Medium	47.06%
200	number-of-islands	java	Medium	40.75%
202	happy-number	java	Easy	44.57%
203	remove-linked-list-elements	java	Easy	35.44%
204	count-primes	java	Easy	28.51%
205	isomorphic-strings	java	Easy	36.92%
206	reverse-linked-list	java	Easy	53.47%
207	course-schedule	java	Medium	37.08%
208	implement-trie-prefix-tree	java	Medium	37.34%
209	minimum-size-subarray-sum	java	Medium	34.45%
210	course-schedule-ii	java	Medium	34.08%
211	add-and-search-word-data-structure-design	java	Medium	29.59%
212	word-search-ii	java	Hard	27.88%
213	house-robber-ii	java	Medium	35.15%
215	kth-largest-element-in-an-array	java	Medium	46.65%
216	combination-sum-iii	java	Medium	50.82%
217	contains-duplicate	java	Easy	51.22%
219	contains-duplicate-ii	java	Easy	34.90%
220	contains-duplicate-iii	java	Medium	19.52%
222	count-complete-tree-nodes	java	Medium	32.14%
225	implement-stack-using-queues	java	Easy	38.44%
226	invert-binary-tree		Easy	57.45%
227	basic-calculator-ii		Medium	32.90%
230	kth-smallest-element-in-a-bst		Medium	50.45%
231	power-of-two		Easy	41.74%
232	implement-queue-using-stacks		Easy	42.49%
234	palindrome-linked-list		Easy	35.55%
235	lowest-common-ancestor-of-a-binary-search-tree		Easy	43.87%
236	lowest-common-ancestor-of-a-binary-tree		Medium	36.10%
237	delete-node-in-a-linked-list		Easy	52.53%
238	product-of-array-except-self	java	Medium	54.28%
240	search-a-2d-matrix-ii	java	Medium	40.46%
242	valid-anagram	java	Easy	51.37%
257	binary-tree-paths	java	Easy	45.34%
260	single-number-iii	java	Medium	56.47%
263	ugly-number	java	Easy	40.44%
264	ugly-number-ii	java	Medium	35.81%
268	missing-number	java	Easy	47.83%
274	h-index	java	Medium	34.46%
275	h-index-ii	java	Medium	35.27%
279	perfect-squares	java	Medium	41.25%
283	move-zeroes	java	Easy	53.88%
287	find-the-duplicate-number	java	Medium	48.78%
289	game-of-life	java	Medium	44.10%
290	word-pattern	java	Easy	34.65%
300	longest-increasing-subsequence	java	Medium	40.40%
306	additive-number	java	Medium	28.19%
309	best-time-to-buy-and-sell-stock-with-cooldown	java	Medium	43.63%
316	remove-duplicate-letters	java	Hard	32.10%
318	maximum-product-of-word-lengths	java	Medium	48.03%
322	coin-change		Medium	29.60%
324	wiggle-sort-ii		Medium	27.62%
326	power-of-three		Easy	41.48%
328	odd-even-linked-list		Medium	48.48%
334	increasing-triplet-subsequence		Medium	39.47%
337	house-robber-iii		Medium	47.57%
338	counting-bits		Medium	64.22%
341	flatten-nested-list-iterator		Medium	47.19%
342	power-of-four		Easy	40.04%
343	integer-break	java	Medium	47.46%
344	reverse-string	java	Easy	62.98%
345	reverse-vowels-of-a-string	java	Easy	41.05%
347	top-k-frequent-elements	java	Medium	53.93%
349	intersection-of-two-arrays	java	Easy	53.57%
350	intersection-of-two-arrays-ii	java	Easy	47.09%
357	count-numbers-with-unique-digits	java	Medium	46.71%
367	valid-perfect-square	java	Easy	39.51%
371	sum-of-two-integers	java	Easy	51.08%
374	guess-number-higher-or-lower	java	Easy	38.96%
375	guess-number-higher-or-lower-ii	java	Medium	37.37%
376	wiggle-subsequence	java	Medium	37.08%
377	combination-sum-iv	java	Medium	43.69%
378	kth-smallest-element-in-a-sorted-matrix	java	Medium	48.78%
380	insert-delete-getrandom-o1	java	Medium	42.23%
381	insert-delete-getrandom-o1-duplicates-allowed	java	Hard	31.61%
384	shuffle-an-array	java	Medium	49.71%
386	lexicographical-numbers	java	Medium	45.24%
387	first-unique-character-in-a-string	java	Easy	49.51%
388	longest-absolute-file-path	java	Medium	38.93%
389	find-the-difference	java	Easy	52.82%
392	is-subsequence		Medium	46.37%
394	decode-string		Medium	44.18%
395	longest-substring-with-at-least-k-repeating-characters		Medium	38.15%
399	evaluate-division		Medium	47.04%
401	binary-watch		Easy	45.11%
402	remove-k-digits		Medium	26.28%
404	sum-of-left-leaves		Easy	48.80%
407	trapping-rain-water-ii		Hard	38.86%
412	fizz-buzz		Easy	59.10%
415	add-strings		Easy	43.32%
416	partition-equal-subset-sum		Medium	40.09%
417	pacific-atlantic-water-flow		Medium	37.00%
435	non-overlapping-intervals		Medium	41.47%
437	path-sum-iii	java	Easy	42.22%
438	find-all-anagrams-in-a-string	java	Easy	36.77%
442	find-all-duplicates-in-an-array	java	Medium	60.25%
445	add-two-numbers-ii	java	Medium	49.56%
447	number-of-boomerangs	java	Easy	49.51%
448	find-all-numbers-disappeared-in-an-array	java	Easy	52.93%
450	delete-node-in-a-bst	java	Medium	39.49%
451	sort-characters-by-frequency	java	Medium	55.36%
454	4sum-ii	java	Medium	50.08%
455	assign-cookies	java	Easy	48.17%
461	hamming-distance	java	Easy	70.13%
464	can-i-win	java	Medium	26.98%
468	validate-ip-address	java	Medium	21.11%
473	matchsticks-to-square	java	Medium	35.81%
474	ones-and-zeroes	java	Medium	39.46%
476	number-complement	java	Easy	62.14%
485	max-consecutive-ones	java	Easy	54.70%
486	predict-the-winner	java	Medium	46.68%
492	construct-the-rectangle	java	Easy	48.49%
494	target-sum	java	Medium	44.97%
495	teemo-attacking		Medium	51.97%
518	coin-change-2		Medium	41.90%
520	detect-capital		Easy	52.32%
521	longest-uncommon-subsequence-i		Easy	56.20%
522	longest-uncommon-subsequence-ii		Medium	32.77%
523	continuous-subarray-sum		Medium	24.16%
525	contiguous-array		Medium	42.40%
526	beautiful-arrangement		Medium	54.15%
530	minimum-absolute-difference-in-bst		Easy	50.00%
532	k-diff-pairs-in-an-array		Easy	29.48%
538	convert-bst-to-greater-tree		Easy	50.26%
540	single-element-in-a-sorted-array		Medium	57.31%
541	reverse-string-ii		Easy	45.17%
543	diameter-of-binary-tree		Easy	46.36%
547	friend-circles	java	Medium	52.96%
551	student-attendance-record-i	java	Easy	45.16%
557	reverse-words-in-a-string-iii	java	Easy	63.41%
560	subarray-sum-equals-k	java	Medium	41.86%
572	subtree-of-another-tree	java	Easy	41.43%
576	out-of-boundary-paths	java	Medium	31.49%
581	shortest-unsorted-continuous-subarray	java	Easy	29.78%
583	delete-operation-for-two-strings	java	Medium	44.41%
594	longest-harmonious-subsequence	java	Easy	43.24%
617	merge-two-binary-trees	java	Easy	69.55%
633	sum-of-square-numbers	java	Easy	32.80%
640	solve-the-equation	java	Medium	39.98%
647	palindromic-substrings	java	Medium	56.25%
648	replace-words	java	Medium	51.12%
649	dota2-senate	java	Medium	37.24%
653	two-sum-iv-input-is-a-bst	java	Easy	52.10%
658	find-k-closest-elements	java	Medium	37.57%
667	beautiful-arrangement-ii	java	Medium	51.62%
669	trim-a-binary-search-tree	java	Easy	59.98%
676	implement-magic-dictionary	java	Medium	51.18%
677	map-sum-pairs		Medium	51.23%
678	valid-parenthesis-string		Medium	32.36%
680	valid-palindrome-ii		Easy	33.92%
684	redundant-connection		Medium	50.75%
688	knight-probability-in-chessboard		Medium	43.34%
692	top-k-frequent-words		Medium	45.10%
693	binary-number-with-alternating-bits		Easy	57.68%
697	degree-of-an-array		Easy	49.71%
720	longest-word-in-dictionary		Easy	44.04%
725	split-linked-list-in-parts		Medium	48.77%
729	my-calendar-i		Medium	46.72%
733	flood-fill		Easy	50.18%
735	asteroid-collision		Medium	38.06%
741	cherry-pickup		Hard	28.42%
744	network-delay-time		Medium	40.77%
754	cracking-the-safe		Hard	45.17%
766	flatten-a-multilevel-doubly-linked-list	java	Medium	41.15%
782	jewels-and-stones	java	Easy	82.89%
799	minimum-distance-between-bst-nodes	java	Easy	50.02%
800	letter-case-permutation	java	Easy	55.60%
803	cheapest-flights-within-k-stops	java	Medium	34.21%
808	number-of-matching-subsequences	java	Medium	42.15%
809	preimage-size-of-factorial-zeroes-function	java	Hard	39.08%
812	rotate-string	java	Easy	48.82%
816	design-hashset	java	Easy	51.75%
817	design-hashmap	java	Easy	55.15%
820	find-eventual-safe-states	java	Medium	42.96%
822	unique-morse-code-words	java	Easy	74.51%
830	largest-triangle-area	java	Easy	55.35%
857	positions-of-large-groups	java	Easy	47.62%
860	design-circular-queue	java	Medium	38.58%
871	keys-and-rooms	java	Medium	59.79%
874	backspace-string-compare	java	Easy	45.53%
876	hand-of-straights	java	Medium	48.56%
879	maximize-distance-to-closest-person	java	Easy	40.45%
882	peak-index-in-a-mountain-array	java	Easy	69.24%
890	lemonade-change		Easy	50.25%
900	reordered-power-of-2		Medium	50.31%
905	length-of-longest-fibonacci-subsequence		Medium	45.89%
908	middle-of-the-linked-list		Easy	63.51%
909	stone-game	java	Medium	60.83%
932	monotonic-array		Easy	54.79%
951	partition-array-into-disjoint-intervals		Medium	42.44%
961	long-pressed-name		Easy	44.22%
967	minimum-falling-path-sum		Medium	58.03%
969	number-of-recent-calls		Easy	69.15%
975	range-sum-of-bst	java	Medium	80.37%
979	di-string-match		Easy	70.18%
981	delete-columns-to-make-sorted	java	Easy	69.42%
985	bag-of-tokens		Medium	38.99%
992	delete-columns-to-make-sorted-ii	java	Medium	31.01%
994	prison-cells-after-n-days	java	Medium	37.77%
1023	time-based-key-value-store		Medium	49.70%
1054	complement-of-base-10-integer	java	Easy	58.27%