Leetcode Solutions with Golang, Java, Python3

Last updated: 2023-02-12 12:18:33

I have solved 187 out of 2332 problems. If you have any suggestions, feedback is appreciated.

#	Title	Source Code	Article	Difficulty
1	two-sum	Golang Python3	📝	Easy
2	add-two-numbers	Python3	📝	Medium
9	palindrome-number	Golang	📝	Easy
13	roman-to-integer	Java	📝	Easy
14	longest-common-prefix	Java	📝	Easy
20	valid-parentheses	Java	📝	Easy
21	merge-two-sorted-lists	Golang	📝	Easy
24	swap-nodes-in-pairs	Java Golang	📝	Medium
36	valid-sudoku	Python3	📝	Medium
48	rotate-image	Java	📝	Medium
49	group-anagrams	Python3	📝	Medium
53	maximum-subarray	Java Python3	📝	Medium
59	spiral-matrix-ii	Golang	📝	Medium
69	sqrtx	Java Python3	📝	Easy
74	search-a-2d-matrix	Python3	📝	Medium
75	sort-colors	Golang	📝	Medium
80	remove-duplicates-from-sorted-array-ii	Golang	📝	Medium
83	remove-duplicates-from-sorted-list	Java Python3	📝	Easy
84	largest-rectangle-in-histogram	Python3	📝	Hard
88	merge-sorted-array	Python3	📝	Easy
91	decode-ways	Python3	📝	Medium
94	binary-tree-inorder-traversal	Java	📝	Easy
98	validate-binary-search-tree	Python3	📝	Medium
102	binary-tree-level-order-traversal	Python3	📝	Medium
103	binary-tree-zigzag-level-order-traversal	Python3	📝	Medium
104	maximum-depth-of-binary-tree	Java Python3 Golang	📝	Easy
107	binary-tree-level-order-traversal-ii	Python3	📝	Medium
108	convert-sorted-array-to-binary-search-tree	Java	📝	Easy
110	balanced-binary-tree	Python3	📝	Easy
116	populating-next-right-pointers-in-each-node	Python3	📝	Medium
117	populating-next-right-pointers-in-each-node-ii	Python3	📝	Medium
118	pascals-triangle	Python3	📝	Easy
119	pascals-triangle-ii	Python3	📝	Easy
121	best-time-to-buy-and-sell-stock	Java Python3	📝	Easy
125	valid-palindrome	Python3	📝	Easy
131	palindrome-partitioning	Python3	📝	Medium
136	single-number	Java	📝	Easy
144	binary-tree-preorder-traversal	Java	📝	Easy
145	binary-tree-postorder-traversal	Java	📝	Easy
160	intersection-of-two-linked-lists	Python3	📝	Easy
169	majority-element	Java	📝	Easy
173	binary-search-tree-iterator	Golang	📝	Medium
202	happy-number	Java	📝	Easy
205	isomorphic-strings	Python3	📝	Easy
206	reverse-linked-list	Java Golang	📝	Easy
215	kth-largest-element-in-an-array	Java	📝	Medium
217	contains-duplicate	Java Python3	📝	Easy
219	contains-duplicate-ii	Java	📝	Easy
226	invert-binary-tree	Java Python3	📝	Easy
235	lowest-common-ancestor-of-a-binary-search-tree	Java	📝	Medium
237	delete-node-in-a-linked-list	Python3	📝	Medium
242	valid-anagram	Java Python3	📝	Easy
268	missing-number	Python3	📝	Easy
283	move-zeroes	Java	📝	Easy
289	game-of-life	Python3	📝	Medium
312	burst-balloons	Python3	📝	Hard
334	increasing-triplet-subsequence	Python3	📝	Medium
344	reverse-string	Java Golang	📝	Easy
349	intersection-of-two-arrays	Python3	📝	Easy
350	intersection-of-two-arrays-ii	Java Python3	📝	Easy
371	sum-of-two-integers	Java	📝	Medium
382	linked-list-random-node	Golang	📝	Medium
383	ransom-note	Java Python3	📝	Easy
387	first-unique-character-in-a-string	Java Python3	📝	Easy
392	is-subsequence	Python3	📝	Easy
404	sum-of-left-leaves	Java	📝	Easy
412	fizz-buzz	Java	📝	Easy
414	third-maximum-number	Java	📝	Easy
438	find-all-anagrams-in-a-string	Python3	📝	Medium
451	sort-characters-by-frequency	Python3	📝	Medium
454	4sum-ii	Python3	📝	Medium
455	assign-cookies	Java		Easy
461	hamming-distance	Golang	📝	Easy
485	max-consecutive-ones	Java	📝	Easy
496	next-greater-element-i	Python3	📝	Easy
498	diagonal-traverse	Python3	📝	Medium
500	keyboard-row	Python3		Easy
513	find-bottom-left-tree-value	Python3		Medium
530	minimum-absolute-difference-in-bst	Java		Easy
535	encode-and-decode-tinyurl	Java	📝	Medium
538	convert-bst-to-greater-tree	Java	📝	Medium
556	next-greater-element-iii	Python3	📝	Medium
557	reverse-words-in-a-string-iii	Java	📝	Easy
561	array-partition	Java	📝	Easy
575	distribute-candies	Python3	📝	Easy
581	shortest-unsorted-continuous-subarray	Golang	📝	Medium
605	can-place-flowers	Golang	📝	Easy
617	merge-two-binary-trees	Java	📝	Easy
637	average-of-levels-in-binary-tree	Java	📝	Easy
643	maximum-average-subarray-i	Python3	📝	Easy
657	robot-return-to-origin	Golang	📝	Easy
669	trim-a-binary-search-tree	Golang	📝	Medium
693	binary-number-with-alternating-bits	Java	📝	Easy
728	self-dividing-numbers	Golang	📝	Easy
742	to-lower-case	Golang	📝	Easy
749	shortest-completing-word	Python3	📝	Easy
755	reach-a-number	Python3	📝	Medium
764	n-ary-tree-level-order-traversal	Python3	📝	Medium
774	maximum-depth-of-n-ary-tree	Java	📝	Easy
777	toeplitz-matrix	Java	📝	Easy
782	jewels-and-stones	Golang	📝	Easy
783	search-in-a-binary-search-tree	Java Golang	📝	Easy
784	insert-into-a-binary-search-tree	Java	📝	Medium
789	kth-largest-element-in-a-stream	Java	📝	Easy
792	binary-search	Java	📝	Easy
812	rotate-string	Java	📝	Easy
822	unique-morse-code-words	Golang	📝	Easy
861	flipping-an-image	Golang	📝	Easy
882	peak-index-in-a-mountain-array	Golang	📝	Medium
890	lemonade-change	Java	📝	Easy
896	smallest-subtree-with-all-the-deepest-nodes	Golang	📝	Medium
908	middle-of-the-linked-list	Java Python3	📝	Easy
916	decoded-string-at-index	Python3	📝	Medium
920	uncommon-words-from-two-sentences	Java	📝	Easy
924	fair-candy-swap	Python3	📝	Easy
933	increasing-order-search-tree	Golang	📝	Easy
941	sort-array-by-parity	Golang	📝	Easy
946	smallest-range-ii	Python3	📝	Medium
958	sort-array-by-parity-ii	Golang	📝	Easy
965	unique-email-addresses	Golang	📝	Easy
969	number-of-recent-calls	Java	📝	Easy
974	reorder-data-in-log-files	Python3	📝	Medium
975	range-sum-of-bst	Java	📝	Easy
978	valid-mountain-array	Golang Python3	📝	Easy
979	di-string-match	Golang	📝	Easy
1001	n-repeated-element-in-size-2n-array	Golang	📝	Easy
1013	fibonacci-number	Python3 Golang	📝	Easy
1019	squares-of-a-sorted-array	Golang	📝	Easy
1039	find-the-town-judge	Golang	📝	Easy
1050	construct-binary-search-tree-from-preorder-traversal	Java	📝	Medium
1054	complement-of-base-10-integer	Golang	📝	Easy
1055	pairs-of-songs-with-total-durations-divisible-by-60	Golang	📝	Medium
1078	remove-outermost-parentheses	Java		Easy
1127	last-stone-weight	Java	📝	Easy
1128	remove-all-adjacent-duplicates-in-string	Java	📝	Easy
1231	replace-elements-with-greatest-element-on-right-side	Python3		Easy
1254	deepest-leaves-sum	Python3	📝	Medium
1287	distance-between-bus-stops	Python3		Easy
1293	three-consecutive-odds	Golang		Easy
1298	reverse-substrings-between-each-pair-of-parentheses	Python3		Medium
1421	find-numbers-with-even-number-of-digits	Python3		Easy
1426	find-n-unique-integers-sum-up-to-zero	Python3		Easy
1447	jump-game-iv	Python3	📝	Hard
1459	apply-discount-every-n-orders	Golang		Medium
1476	count-negative-numbers-in-a-sorted-matrix	Python3		Easy
1482	how-many-numbers-are-smaller-than-the-current-number	Python3		Easy
1486	find-the-distance-value-between-two-arrays	Python3		Easy
1490	generate-a-string-with-characters-that-have-odd-counts	Python3		Easy
1497	design-a-stack-with-increment-operation	Golang		Medium
1510	find-lucky-integer-in-an-array	Python3	📝	Easy
1519	minimum-subsequence-in-non-increasing-order	Python3		Easy
1528	kids-with-the-greatest-number-of-candies	Python3 Golang		Easy
1542	consecutive-characters	Python3	📝	Easy
1544	count-good-nodes-in-binary-tree	Python3	📝	Medium
1547	destination-city	Python3		Easy
1556	make-two-arrays-equal-by-reversing-subarrays	Python3		Easy
1559	cherry-pickup-ii	Python3	📝	Hard
1566	check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence	Golang		Easy
1568	pseudo-palindromic-paths-in-a-binary-tree	Python3	📝	Medium
1570	final-prices-with-a-special-discount-in-a-shop	Golang		Easy
1574	maximum-product-of-two-elements-in-an-array	Python3		Easy
1580	shuffle-the-array	Python3	📝	Easy
1585	the-kth-factor-of-n	Golang	📝	Medium
1603	running-sum-of-1d-array	Golang	📝	Easy
1611	making-file-names-unique	Golang		Medium
1630	count-odd-numbers-in-an-interval-range	Python3	📝	Easy
1635	number-of-good-pairs	Python3		Easy
1642	water-bottles	Python3		Easy
1651	shuffle-string	Python3		Easy
1666	make-the-string-great	Python3	📝	Easy
1683	maximum-number-of-coins-you-can-get	Python3		Medium
1708	design-parking-system	Golang		Easy
1737	maximum-nesting-depth-of-the-parentheses	Golang		Easy
1741	sort-array-by-increasing-frequency	Python3		Easy
1765	merge-in-between-linked-lists	Golang		Medium
1786	count-the-number-of-consistent-strings	Python3		Easy
1791	richest-customer-wealth	Golang	📝	Easy
1806	count-of-matches-in-tournament	Python3		Easy
1833	find-the-highest-altitude	Python3		Easy
1848	sum-of-unique-elements	Python3		Easy
1960	check-if-the-sentence-is-pangram	Python3	📝	Easy
2099	number-of-strings-that-appear-as-substrings-in-word	Python3		Easy
2106	find-greatest-common-divisor-of-array	Python3		Easy
2231	find-first-palindromic-string-in-the-array	Python3		Easy
2345	minimum-number-of-operations-to-convert-time	Python3		Easy
2365	percentage-of-letter-in-string	Python3		Easy
2377	check-if-number-has-equal-digit-count-and-digit-value	Python3		Easy