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Solutions to problems on leetcode.

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@anantkaushik
anantkaushik Sort the Matrix Diagonally
d4d3f50 Jan 23, 2021
Sort the Matrix Diagonally
d4d3f50

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.gitignore
 
 
001-two-sum.py
 
 
011-container-with-most-water.py
 
 
013-roman-to-integer.py
 
 
015-3sum.py
 
 
019-remove-nth-node-from-end-of-list.py
 
 
020-valid-parentheses.py
 
 
021-merge-two-sorted-lists.py
 
 
026-remove-duplicates-from-sorted-array.py
 
 
028-implement-strstr.py
 
 
033-search-in-rotated-sorted-array.py
 
 
034-find-first-and-last-position-of-element-in-sorted-array.py
 
 
035-search-insert-position.py
 
 
048-rotate-image.py
 
 
049-group-anagrams.py
 
 
053-maximum-subarray.py
 
 
054-spiral-matrix.py
 
 
061-rotate-list.py
 
 
066-plus-one.py
 
 
073-set-matrix-zeroes.py
 
 
075-sort-colors.py
 
 
083-remove-duplicates-from-sorted-list.py
 
 
086-partition-list.py
 
 
088-merge-sorted-array.py
 
 
100-same-tree.py
 
 
101-symmetric-tree.py
 
 
1010-pairs-of-songs-with-total-durations-divisible-by-60.py
 
 
1014-best-sightseeing-pair.py
 
 
102-binary-tree-level-order-traversal.py
 
 
1021-remove-outermost-parentheses.py
 
 
1025-divisor-game.py
 
 
1026-maximum-difference-between-node-and-ancestor.py
 
 
1027-longest-arithmetic-sequence.py
 
 
1029-two-city-scheduling.py
 
 
103-binary-tree-zigzag-level-order-traversal.py
 
 
1037-valid-boomerang.py
 
 
104-maximum-depth-of-binary-tree.py
 
 
1046-last-stone-weight.py
 
 
1047-remove-all-adjacent-duplicates-in-string.py
 
 
105-construct-binary-tree-from-preorder-and-inorder-traversal.py
 
 
1051-height-checker.py
 
 
1060-missing-element-in-sorted-array.py
 
 
107-binary-tree-level-order-traversal-ii.py
 
 
108-convert-sorted-array-to-binary-search-tree.py
 
 
110-balanced-binary-tree.py
 
 
1108-defanging-an-ip-address.py
 
 
113-path-sum-ii.py
 
 
1134-armstrong-number.py
 
 
1137-n-th-tribonacci-number.py
 
 
114-flatten-binary-tree-to-linked-list.py
 
 
1145-binary-tree-coloring-game.py
 
 
116-populating-next-right-pointers-in-each-node.py
 
 
1161-maximum-level-sum-of-a-binary-tree.py
 
 
117-populating-next-right-pointers-in-each-node-ii.py
 
 
118-pascals-triangle.py
 
 
1189-maximum-number-of-balloons.py
 
 
119-pascals-triangle-ii.py
 
 
12-integer-to-roman.py
 
 
1207-unique-number-of-occurrences.py
 
 
121-best-time-to-buy-and-sell-stock.py
 
 
1217-minimum-cost-to-move-chips-to-the-same-position.py
 
 
122-best-time-to-buy-and-sell-stock-ii.py
 
 
1221-split-a-string-in-balanced-strings.py
 
 
1231-divide-chocolate.py
 
 
1234-replace-the-substring-for-balanced-string.py
 
 
124-binary-tree-maximum-path-sum.py
 
 
125-valid-palindrome.py
 
 
1281-subtract-the-product-and-sum-of-digits-of-an-integer.py
 
 
129-sum-root-to-leaf-numbers.py
 
 
1295-find-numbers-with-even-number-of-digits.py
 
 
1304-find-n-unique-integers-sum-up-to-zero.py
 
 
1313-decompress-run-length-encoded-list.py
 
 
1317-convert-integer-to-the-sum-of-two-no-zero-integers.py
 
 
1323-maximum-69-number.py
 
 
1329-sort-the-matrix-diagonally.py
 
 
1342-number-of-steps-to-reduce-a-number-to-zero.py
 
 
1346-check-if-n-and-its-double-exist.py
 
 
1351-count-negative-numbers-in-a-sorted-matrix.py
 
 
1352-product-of-the-last-k-numbers.py
 
 
136-single-number.py
 
 
1362-closest-divisors.py
 
 
1370-increasing-decreasing-string.py
 
 
1374-generate-a-string-with-characters-that-have-odd-counts.py
 
 
1375-bulb-switcher-iii.py
 
 
1379-find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree.py
 
 
138-copy-list-with-random-pointer.py
 
 
1380-lucky-numbers-in-a-matrix.py
 
 
1381-design-a-stack-with-increment-operation.py
 
 
1394-find-lucky-integer-in-an-array.py
 
 
1399-count-largest-group.py
 
 
14-longest-common-prefix.py
 
 
1400-construct-k-palindrome-strings.py
 
 
1403-minimum-subsequence-in-non-increasing-order.py
 
 
1404-number-of-steps-to-reduce-a-number-in-binary-representation-to-one.py
 
 
1405-longest-happy-string.py
 
 
141-linked-list-cycle.py
 
 
1413-minimum-value-to-get-positive-step-by-step-sum.py
 
 
1417-reformat-the-string.py
 
 
1418-display-table-of-food-orders-in-a-restaurant.py
 
 
142-linked-list-cycle-ii.py
 
 
143-reorder-list.py
 
 
1431-kids-with-the-greatest-number-of-candies.py
 
 
1432-max-difference-you-can-get-from-changing-an-integer.py
 
 
1436-destination-city.py
 
 
1437-check-if-all-1s-are-at-least-length-k-places-away.py
 
 
144-binary-tree-preorder-traversal.py
 
 
1441-build-an-array-with-stack-operations.py
 
 
1446-consecutive-characters.py
 
 
145-binary-tree-postorder-traversal.py
 
 
1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence.py
 
 
1456-maximum-number-of-vowels-in-a-substring-of-given-length.py
 
 
1457-pseudo-palindromic-paths-in-a-binary-tree.py
 
 
1460-make-two-arrays-equal-by-reversing-sub-arrays.py
 
 
1461-check-if-a-string-contains-all-binary-codes-of-size-k.py
 
 
148-sort-list.py
 
 
1480-running-sum-of-1d-array.py
 
 
1491-average-salary-excluding-the-minimum-and-maximum-salary.py
 
 
1492-the-kth-factor-of-n.py
 
 
151-reverse-words-in-a-string.py
 
 
1512-number-of-good-pairs.py
 
 
152-maximum-product-subarray.py
 
 
153-find-minimum-in-rotated-sorted-array.py
 
 
1539-kth-missing-positive-number.py
 
 
155-min-stack.py
 
 
160-intersection-of-two-linked-lists.py
 
 
162-find-peak-element.py
 
 
1640-check-array-formation-through-concatenation.py
 
 
1641-count-sorted-vowel-strings.py
 
 
1662-check-if-two-string-arrays-are-equivalent.py
 
 
167-two-sum-ii-input-array-is-sorted.py
 
 
1672-ichest-customer-wealth.py
 
 
1673-find-the-most-competitive-subsequence.py
 
 
1678-goal-parser-interpretation.py
 
 
1679-max-number-of-k-sum-pairs.py
 
 
168-excel-sheet-column-title.py
 
 
1688-count-of-matches-in-tournament.py
 
 
169-majority-element.py
 
 
171-excel-sheet-column-number.py
 
 
172-factorial-trailing-zeroes.py
 
 
173-binary-search-tree-iterator.py
 
 
175-combine-two-tables.sql
 
 
176-second-highest-salary.sql
 
 
179-largest-number.py
 
 
182-duplicate-emails.sql
 
 
189-rotate-array.py
 
 
191-number-of-1-bits.py
 
 
198-house-robber.py
 
 
199-binary-tree-right-side-view.py
 
 
2-add-two-numbers.py
 
 
200-number-of-islands.py
 
 
202-happy-number.py
 
 
203-remove-linked-list-elements.py
 
 
204-count-primes.py
 
 
205-isomorphic-strings.py
 
 
206-reverse-linked-list.py
 
 
208-implement-trie-prefix-tree.py
 
 
209-minimum-size-subarray-sum.py
 
 
215-kth-largest-element-in-an-array.py
 
 
217-contains-duplicate.py
 
 
219-contains-duplicate-ii.py
 
 
221-maximal-square.py
 
 
225-implement-stack-using-queues.py
 
 
226-invert-binary-tree.py
 
 
23-merge-k-sorted-lists.py
 
 
230-kth-smallest-element-in-a-bst.py
 
 
231-power-of-two.py
 
 
232-implement-queue-using-stacks.py
 
 
234-palindrome-linked-list.py
 
 
236-lowest-common-ancestor-of-a-binary-tree.py
 
 
237-delete-node-in-a-linked-list.py
 
 
238-product-of-array-except-self.py
 
 
24-swap-nodes-in-pairs.py
 
 
242-valid-anagram.py
 
 
25-reverse-nodes-in-k-group.py
 
 
258_add_digits.py
 
 
260-single-number-iii.py
 
 
268_missing_number.py
 
 
278-first-bad-version.py
 
 
283-move-zeroes.py
 
 
287-find-the-duplicate-number.py
 
 
292-nim-game.py
 
 
297-serialize-and-deserialize-binary-tree.py
 
 
3-longest-substring-without-repeating-characters.py
 
 
303-range-sum-query-immutable.py
 
 
31-next-permutation.py
 
 
314-binary-tree-vertical-order-traversal.py
 
 
326-power-of-three.py
 
 
328-odd-even-linked-list.py
 
 
338-counting-bits.py
 
 
342-power-of-four.py
 
 
344-reverse-string.py
 
 
345-reverse-vowels-of-a-string.py
 
 
347-top-k-frequent-elements.py
 
 
349-intersection-of-two-arrays.py
 
 
350-intersection-of-two-arrays-ii.py
 
 
367-valid-perfect-square.py
 
 
373-find-k-pairs-with-smallest-sums.py
 
 
374-guess-number-higher-or-lower.py
 
 
378-kth-smallest-element-in-a-sorted-matrix.py
 
 
38-count-and-say.py
 
 
382-linked-list-random-node.py
 
 
383-ransom-note.py
 
 
384-shuffle-an-array.py
 
 
385-mini-parser.py
 
 
387-first-unique-character.py
 
 
389-find-the-difference.py
 
 
392-is-subsequence.py
 
 
394-decode-string.py
 
 
4-median-of-two-sorted-arrays.py
 
 
402-remove-k-digits.py
 
 
410-split-array-largest-sum.py
 
 
412-fizz-buzz.py
 
 
41_first_missing_positive.py
 
 
429-n-ary-tree-level-order-traversal.py
 
 
430-flatten-a-multilevel-doubly-linked-list.py
 
 
434-number-of-segments-in-a-string.py
 
 
437-path-sum-iii.py
 
 
438-find-all-anagrams-in-a-string.py
 
 
442-find-all-duplicates-elements.py
 
 
443-string-compression.py
 
 
445-add-two-numbers-ii.py
 
 
448_find_all_disappeared_numbers.py
 
 
451-sort-characters-by-frequency.py
 
 
459-repeated-substring-pattern.py
 
 
461-hamming-distance.py
 
 
463-island-perimeter.py
 
 
476-number-complement.py
 
 
485-max-consecutive-ones.py
 
 
491-increasing-subsequences.py
 
 
496-next-greater-element-i.py
 
 
5-longest-palindromic-substring.py
 
 
500-keyboard-row.py
 
 
503-next-greater-element-ii.py
 
 
506-relative-ranks.py
 
 
509-fibonacci-number.py
 
 
515-find-largest-value-in-each-tree-row.py
 
 
520_detect_capital.py
 
 
525-contiguous-array.py
 
 
526-beautiful-arrangement.py
 
 
538-convert-bst-to-greater-tree.py
 
 
540-single-element-in-a-sorted-array.py
 
 
541-reverse-string-ii.py
 
 
543-diameter-of-binary-tree.py
 
 
55-jump-game.py
 
 
551-student-attendance-record-i.py
 
 
557-reverse-words-in-a-string-iii.py
 
 
56-merge-intervals.py
 
 
560-subarray-sum-equals-k.py
 
 
561-array-partition-i.py
 
 
572-subtree-of-another-tree.py
 
 
581-shortest-unsorted-continuous-subarray.py
 
 
595-big-countries.sql
 
 
596-classes-more-than-5-students.sql
 
 
617-merge-two-binary-trees.py
 
 
621-task-scheduler.py
 
 
628-max-product-of-three-no.py
 
 
657-robot-return-to-origin.py
 
 
665-non-decreasing-array.py
 
 
67-add-binary.py
 
 
69-sqrtx.py
 
 
690-employee-importance.py
 
 
692-top-k-frequent-words.py
 
 
70-climbing-stairs.py
 
 
700-search-in-a-binary-search-tree.py
 
 
701-insert-into-a-binary-search-tree.py
 
 
702-find-target-in-sorted-array-of-unknown-size.py
 
 
704-binary-search.py
 
 
707-design-linked-list.py
 
 
709-to-lowercase.py
 
 
721-accounts-merge.py
 
 
728-self-dividing-numbers.py
 
 
733-flood-fill.py
 
 
739-daily-temperatures.py
 
 
74-search-a-2d-matrix.py
 
 
744-find-smallest-letter-greater-than-target.py
 
 
746-min-cost-climbing-stairs.py
 
 
747-largest-number-at-least-twice-of-others.py
 
 
76-minimum-window-substring.py
 
 
771-jewels-and-stones.py
 
 
785-is-graph-bipartite.py
 
 
796-rotate-string.py
 
 
804unique_morse_code_words.py
 
 
819_most_common_word.py
 
 
82-remove-duplicates-from-sorted-list-ii.py
 
 
821-shortest-distance-to-a-character.py
 
 
824-goat-latin.py
 
 
832-flipping-an-image.py
 
 
841-keys-and-rooms.py
 
 
844-backspace-string-compare.py
 
 
849-maximize-distance-to-closest-person.py
 
 
852_peak_index_in_a_mountain_array.py
 
 
856-score-of-parentheses.py
 
 
860-lemonade-change.py
 
 
863-all-nodes-distance-k-in-binary-tree.py
 
 
867-transpose-matrix.py
 
 
872-leaf-similar-trees.py
 
 
876-middle-of-the-linked-list.py
 
 
880-decoded-string-at-index.py
 
 
881-boats-to-save-people.py
 
 
884-uncommon-words-from-two-sentences.py
 
 
896-monotonic-array.py
 
 
9-palindrome-number.py
 
 
905-sort-array-by-parity.py
 
 
91-decode-ways.py
 
 
917-reverse-only-letters.py
 
 
922-sort-array-by-parity-ii.py
 
 
929-unique-email-addresses.py
 
 
938-range-sum-of-bst.py
 
 
94-binary-tree-inorder-traversal.py
 
 
942-di-string-match.py
 
 
944-delete-columns-to-make-sorted.py
 
 
946-validate-stack-sequences.py
 
 
957-prison-cells-after-n-days.py
 
 
961-n-repeated-element-in-size-2n-array.py
 
 
965-univalued-binary-tree.py
 
 
977-squares-of-a-sorted-array.py
 
 
98-validate-binary-search-tree.py
 
 
981-time-based-key-value-store.py
 
 
986-interval-list-intersections.py
 
 
987-vertical-order-traversal-of-a-binary-tree.py
 
 
989-add-to-array-form-of-integer.py
 
 
99-recover-binary-search-tree.py
 
 
997-find-the-town-judge.py
 
 
README.md
 
 
counting-elements.py
 
 
cousins-in-binary-tree.py
 
 
perform-string-shifts.py
 
 
remove_element.py
 
 
reverse_int.py
 
 

README.md

LeetCode

Solutions to problems on leetcode in Python

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Solutions to problems on leetcode.

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