Files

C#
C++
Golang
Java
Kotlin
MySQL
PHP
Python
- 01-matrix.py
- 1-bit-and-2-bit-characters.py
- 132-pattern.py
- 2-keys-keyboard.py
- 24-game.py
- 3sum-closest.py
- 3sum-smaller.py
- 3sum-with-multiplicity.py
- 3sum.py
- 4-keys-keyboard.py
- 4sum-ii.py
- 4sum.py
- a-number-after-a-double-reversal.py
- abbreviating-the-product-of-a-range.py
- account-balance-after-rounded-purchase.py
- accounts-merge.py
- add-and-search-word-data-structure-design.py
- add-binary.py
- add-bold-tag-in-string.py
- add-digits.py
- add-edges-to-make-degrees-of-all-nodes-even.py
- add-minimum-number-of-rungs.py
- add-one-row-to-tree.py
- add-strings.py
- add-to-array-form-of-integer.py
- add-two-integers.py
- add-two-numbers-ii.py
- add-two-numbers.py
- add-two-polynomials-represented-as-linked-lists.py
- adding-spaces-to-a-string.py
- adding-two-negabinary-numbers.py
- additive-number.py
- adjacent-increasing-subarrays-detection-i.py
- adjacent-increasing-subarrays-detection-ii.py
- advantage-shuffle.py
- airplane-seat-assignment-probability.py
- alert-using-same-key-card-three-or-more-times-in-a-one-hour-period.py
- alice-and-bob-playing-flower-game.py
- alien-dictionary.py
- all-ancestors-of-a-node-in-a-directed-acyclic-graph.py
- all-divisions-with-the-highest-score-of-a-binary-array.py
- all-elements-in-two-binary-search-trees.py
- all-nodes-distance-k-in-binary-tree.py
- all-oone-data-structure.py
- all-paths-from-source-lead-to-destination.py
- all-paths-from-source-to-target.py
- all-possible-full-binary-trees.py
- allocate-mailboxes.py
- alphabet-board-path.py
- alt-and-tab-simulation.py
- alternating-digit-sum.py
- alternating-groups-i.py
- alternating-groups-ii.py
- alternating-groups-iii.py
- ambiguous-coordinates.py
- amount-of-new-area-painted-each-day.py
- amount-of-time-for-binary-tree-to-be-infected.py
- analyze-user-website-visit-pattern.py
- android-unlock-patterns.py
- angle-between-hands-of-a-clock.py
- ant-on-the-boundary.py
- append-characters-to-string-to-make-subsequence.py
- append-k-integers-with-minimal-sum.py
- apple-redistribution-into-boxes.py
- apply-bitwise-operations-to-make-strings-equal.py
- apply-discount-every-n-orders.py
- apply-discount-to-prices.py
- apply-operations-on-array-to-maximize-sum-of-squares.py
- apply-operations-to-an-array.py
- apply-operations-to-make-all-array-elements-equal-to-zero.py
- apply-operations-to-make-string-empty.py
- apply-operations-to-make-sum-of-array-greater-than-or-equal-to-k.py
- apply-operations-to-make-two-strings-equal.py
- apply-operations-to-maximize-frequency-score.py
- apply-operations-to-maximize-score.py
- apply-substitutions.py
- arithmetic-slices-ii-subsequence.py
- arithmetic-slices.py
- arithmetic-subarrays.py
- armstrong-number.py
- arranging-coins.py
- array-nesting.py
- array-of-doubled-pairs.py
- array-partition-i.py
- array-transformation.py
- array-with-elements-not-equal-to-average-of-neighbors.py
- as-far-from-land-as-possible.py
- assign-cookies.py
- assign-elements-to-groups-with-constraints.py
- asteroid-collision.py
- available-captures-for-rook.py
- average-height-of-buildings-in-each-segment.py
- average-of-levels-in-binary-tree.py
- average-salary-excluding-the-minimum-and-maximum-salary.py
- average-value-of-even-numbers-that-are-divisible-by-three.py
- average-waiting-time.py
- avoid-flood-in-the-city.py
- backspace-string-compare.py
- bag-of-tokens.py
- balance-a-binary-search-tree.py
- balanced-binary-tree.py
- base-7.py
- baseball-game.py
- basic-calculator-ii.py
- basic-calculator-iii.py
- basic-calculator-iv.py
- basic-calculator.py
- battleships-in-a-board.py
- beautiful-arrangement-ii.py
- beautiful-arrangement.py
- beautiful-array.py
- beautiful-pairs.py
- beautiful-towers-i.py
- beautiful-towers-ii.py
- before-and-after-puzzle.py
- best-meeting-point.py
- best-poker-hand.py
- best-position-for-a-service-centre.py
- best-sightseeing-pair.py
- best-team-with-no-conflicts.py
- best-time-to-buy-and-sell-stock-ii.py
- best-time-to-buy-and-sell-stock-iii.py
- best-time-to-buy-and-sell-stock-iv.py
- best-time-to-buy-and-sell-stock-with-cooldown.py
- best-time-to-buy-and-sell-stock-with-transaction-fee.py
- best-time-to-buy-and-sell-stock.py
- better-compression-of-string.py
- binary-gap.py
- binary-number-with-alternating-bits.py
- binary-prefix-divisible-by-5.py
- binary-search-tree-iterator-ii.py
- binary-search-tree-iterator.py
- binary-search-tree-to-greater-sum-tree.py
- binary-search.py
- binary-searchable-numbers-in-an-unsorted-array.py
- binary-string-with-substrings-representing-1-to-n.py
- binary-subarrays-with-sum.py
- binary-tree-cameras.py
- binary-tree-coloring-game.py
- binary-tree-inorder-traversal.py
- binary-tree-level-order-traversal-ii.py
- binary-tree-level-order-traversal.py
- binary-tree-longest-consecutive-sequence-ii.py
- binary-tree-longest-consecutive-sequence.py
- binary-tree-maximum-path-sum.py
- binary-tree-paths.py
- binary-tree-postorder-traversal.py
- binary-tree-preorder-traversal.py
- binary-tree-pruning.py
- binary-tree-right-side-view.py
- binary-tree-tilt.py
- binary-tree-upside-down.py
- binary-tree-vertical-order-traversal.py
- binary-tree-zigzag-level-order-traversal.py
- binary-trees-with-factors.py
- binary-watch.py
- bitwise-and-of-numbers-range.py
- bitwise-or-of-adjacent-elements.py
- bitwise-or-of-all-subsequence-sums.py
- bitwise-ors-of-subarrays.py
- bitwise-xor-of-all-pairings.py
- block-placement-queries.py
- boats-to-save-people.py
- bold-words-in-string.py
- bomb-enemy.py
- booking-concert-tickets-in-groups.py
- boundary-of-binary-tree.py
- brace-expansion-ii.py
- brace-expansion.py
- break-a-palindrome.py
- brick-wall.py
- bricks-falling-when-hit.py
- brightest-position-on-street.py
- broken-calculator.py
- buddy-strings.py
- build-a-matrix-with-conditions.py
- build-an-array-with-stack-operations.py
- build-array-from-permutation.py
- build-array-where-you-can-find-the-maximum-exactly-k-comparisons.py
- build-binary-expression-tree-from-infix-expression.py
- building-boxes.py
- building-h2o.py
- buildings-with-an-ocean-view.py
- bulb-switcher-ii.py
- bulb-switcher-iii.py
- bulb-switcher-iv.py
- bulb-switcher.py
- bulls-and-cows.py
- burst-balloons.py
- bus-routes.py
- button-with-longest-push-time.py
- buy-two-chocolates.py
- calculate-amount-paid-in-taxes.py
- calculate-delayed-arrival-time.py
- calculate-digit-sum-of-a-string.py
- calculate-money-in-leetcode-bank.py
- camelcase-matching.py
- campus-bikes-ii.py
- campus-bikes.py
- can-convert-string-in-k-moves.py
- can-i-win.py
- can-make-arithmetic-progression-from-sequence.py
- can-make-palindrome-from-substring.py
- can-place-flowers.py
- can-you-eat-your-favorite-candy-on-your-favorite-day.py
- candy-crush.py
- candy.py
- capacity-to-ship-packages-within-d-days.py
- capitalize-the-title.py
- car-fleet-ii.py
- car-fleet.py
- car-pooling.py
- card-flipping-game.py
- cat-and-mouse-ii.py
- cat-and-mouse.py
- categorize-box-according-to-criteria.py
- cells-in-a-range-on-an-excel-sheet.py
- cells-with-odd-values-in-a-matrix.py
- chalkboard-xor-game.py
- champagne-tower.py
- change-minimum-characters-to-satisfy-one-of-three-conditions.py
- change-the-root-of-a-binary-tree.py
- cheapest-flights-within-k-stops.py
- check-array-formation-through-concatenation.py
- check-balanced-string.py
- check-completeness-of-a-binary-tree.py
- check-distances-between-same-letters.py
- check-for-contradictions-in-equations.py
- check-if-a-number-is-majority-element-in-a-sorted-array.py
- check-if-a-parentheses-string-can-be-valid.py
- check-if-a-string-can-break-another-string.py
- check-if-a-string-contains-all-binary-codes-of-size-k.py
- check-if-a-string-is-a-valid-sequence-from-root-to-leaves-path-in-a-binary-tree.py
- check-if-a-string-is-an-acronym-of-words.py
- check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence.py
- check-if-all-1s-are-at-least-length-k-places-away.py
- check-if-all-as-appears-before-all-bs.py
- check-if-all-characters-have-equal-number-of-occurrences.py
- check-if-all-the-integers-in-a-range-are-covered.py
- check-if-an-array-is-consecutive.py
- check-if-an-original-string-exists-given-two-encoded-strings.py
- check-if-array-is-good.py
- check-if-array-is-sorted-and-rotated.py
- check-if-array-pairs-are-divisible-by-k.py
- check-if-binary-string-has-at-most-one-segment-of-ones.py
- check-if-bitwise-or-has-trailing-zeros.py
- check-if-dfs-strings-are-palindromes.py
- check-if-digits-are-equal-in-string-after-operations-i.py
- check-if-digits-are-equal-in-string-after-operations-ii.py
- check-if-every-row-and-column-contains-all-numbers.py
- check-if-grid-can-be-cut-into-sections.py
- check-if-grid-satisfies-conditions.py
- check-if-it-is-a-good-array.py
- check-if-it-is-a-straight-line.py
- check-if-it-is-possible-to-split-array.py
- check-if-matrix-is-x-matrix.py
- check-if-move-is-legal.py
- check-if-n-and-its-double-exist.py
- check-if-number-has-equal-digit-count-and-digit-value.py
- check-if-number-is-a-sum-of-powers-of-three.py
- check-if-numbers-are-ascending-in-a-sentence.py
- check-if-one-string-swap-can-make-strings-equal.py
- check-if-point-is-reachable.py
- check-if-string-is-a-prefix-of-array.py
- check-if-string-is-decomposable-into-value-equal-substrings.py
- check-if-string-is-transformable-with-substring-sort-operations.py
- check-if-strings-can-be-made-equal-with-operations-i.py
- check-if-strings-can-be-made-equal-with-operations-ii.py
- check-if-the-number-is-fascinating.py
- check-if-the-rectangle-corner-is-reachable.py
- check-if-the-sentence-is-pangram.py
- check-if-there-is-a-path-with-equal-number-of-0s-and-1s.py
- check-if-there-is-a-valid-parentheses-string-path.py
- check-if-there-is-a-valid-partition-for-the-array.py
- check-if-there-is-a-valid-path-in-a-grid.py
- check-if-two-chessboard-squares-have-the-same-color.py
- check-if-two-expression-trees-are-equivalent.py
- check-if-two-string-arrays-are-equivalent.py
- check-if-word-can-be-placed-in-crossword.py
- check-if-word-equals-summation-of-two-words.py
- check-if-word-is-valid-after-substitutions.py
- check-knight-tour-configuration.py
- check-whether-two-strings-are-almost-equivalent.py
- checking-existence-of-edge-length-limited-paths-ii.py
- checking-existence-of-edge-length-limited-paths.py
- cherry-pickup-ii.py
- cherry-pickup.py
- choose-edges-to-maximize-score-in-a-tree.py
- choose-k-elements-with-maximum-sum.py
- choose-numbers-from-two-arrays-in-range.py
- cinema-seat-allocation.py
- circle-and-rectangle-overlapping.py
- circular-array-loop.py
- circular-permutation-in-binary-representation.py
- circular-sentence.py
- clear-digits.py
- climbing-stairs.py
- clone-binary-tree-with-random-pointer.py
- clone-graph.py
- clone-n-ary-tree.py
- closest-binary-search-tree-value-ii.py
- closest-binary-search-tree-value.py
- closest-dessert-cost.py
- closest-divisors.py
- closest-equal-element-queries.py
- closest-fair-integer.py
- closest-leaf-in-a-binary-tree.py
- closest-node-to-path-in-tree.py
- closest-nodes-queries-in-a-binary-search-tree.py
- closest-prime-numbers-in-range.py
- closest-room.py
- closest-subsequence-sum.py
- clumsy-factorial.py
- coin-change-2.py
- coin-change.py
- coin-path.py
- collect-coins-in-a-tree.py
- collecting-chocolates.py
- color-the-triangle-red.py
- coloring-a-border.py
- combination-sum-ii.py
- combination-sum-iii.py
- combination-sum-iv.py
- combination-sum.py
- combinations.py
- compare-strings-by-frequency-of-the-smallest-character.py
- compare-version-numbers.py
- complement-of-base-10-integer.py
- complete-binary-tree-inserter.py
- complex-number-multiplication.py
- concatenated-words.py
- concatenation-of-array.py
- concatenation-of-consecutive-binary-numbers.py
- confusing-number-ii.py
- confusing-number.py
- connecting-cities-with-minimum-cost.py
- consecutive-characters.py
- consecutive-numbers-sum.py
- constrained-subset-sum.py
- construct-2d-grid-matching-graph-layout.py
- construct-binary-search-tree-from-preorder-traversal.py
- construct-binary-tree-from-inorder-and-postorder-traversal.py
- construct-binary-tree-from-preorder-and-inorder-traversal.py
- construct-binary-tree-from-preorder-and-postorder-traversal.py
- construct-binary-tree-from-string.py
- construct-k-palindrome-strings.py
- construct-product-matrix.py
- construct-quad-tree.py
- construct-smallest-number-from-di-string.py
- construct-string-from-binary-tree.py
- construct-string-with-minimum-cost-easy.py
- construct-string-with-minimum-cost.py
- construct-string-with-repeat-limit.py
- construct-target-array-with-multiple-sums.py
- construct-the-lexicographically-largest-valid-sequence.py
- construct-the-longest-new-string.py
- construct-the-minimum-bitwise-array-i.py
- construct-the-minimum-bitwise-array-ii.py
- construct-the-rectangle.py
- constructing-two-increasing-arrays.py
- contain-virus.py
- container-with-most-water.py
- contains-duplicate-ii.py
- contains-duplicate-iii.py
- contains-duplicate.py
- contiguous-array.py
- continuous-subarray-sum.py
- continuous-subarrays.py
- convert-1d-array-into-2d-array.py
- convert-a-number-to-hexadecimal.py
- convert-an-array-into-a-2d-array-with-conditions.py
- convert-binary-number-in-a-linked-list-to-integer.py
- convert-binary-search-tree-to-sorted-doubly-linked-list.py
- convert-bst-to-greater-tree.py
- convert-date-to-binary.py
- convert-doubly-linked-list-to-array-i.py
- convert-doubly-linked-list-to-array-ii.py
- convert-integer-to-the-sum-of-two-no-zero-integers.py
- convert-sorted-array-to-binary-search-tree.py
- convert-sorted-list-to-binary-search-tree.py
- convert-the-temperature.py
- convert-to-base-2.py
- convex-polygon.py
- coordinate-with-maximum-network-quality.py
- copy-list-with-random-pointer.py
- corporate-flight-bookings.py
- correct-a-binary-tree.py
- count-all-possible-routes.py
- count-all-valid-pickup-and-delivery-options.py
- count-almost-equal-pairs-i.py
- count-almost-equal-pairs-ii.py
- count-alternating-subarrays.py
- count-anagrams.py
- count-and-say.py
- count-array-pairs-divisible-by-k.py
- count-artifacts-that-can-be-extracted.py
- count-asterisks.py
- count-beautiful-numbers.py
- count-beautiful-splits-in-an-array.py
- count-beautiful-substrings-i.py
- count-beautiful-substrings-ii.py
- count-binary-substrings.py
- count-collisions-of-monkeys-on-a-polygon.py
- count-collisions-on-a-road.py
- count-common-words-with-one-occurrence.py
- count-complete-subarrays-in-an-array.py
- count-complete-substrings.py
- count-complete-tree-nodes.py
- count-connected-components-in-lcm-graph.py
- count-days-spent-together.py
- count-days-without-meetings.py
- count-different-palindromic-subsequences.py
- count-distinct-numbers-on-board.py
- count-elements-with-maximum-frequency.py
- count-elements-with-strictly-smaller-and-greater-elements.py
- count-equal-and-divisible-pairs-in-an-array.py
- count-fertile-pyramids-in-a-land.py
- count-good-meals.py
- count-good-nodes-in-binary-tree.py
- count-good-numbers.py
- count-good-triplets-in-an-array.py
- count-good-triplets.py
- count-hills-and-valleys-in-an-array.py
- count-houses-in-a-circular-street-ii.py
- count-houses-in-a-circular-street.py
- count-increasing-quadruplets.py
- count-integers-in-intervals.py
- count-integers-with-even-digit-sum.py
- count-items-matching-a-rule.py
- count-k-reducible-numbers-less-than-n.py
- count-k-subsequences-of-a-string-with-maximum-beauty.py
- count-largest-group.py
- count-lattice-points-inside-a-circle.py
- count-mentions-per-user.py
- count-negative-numbers-in-a-sorted-matrix.py
- count-nice-pairs-in-an-array.py
- count-nodes-equal-to-average-of-subtree.py
- count-nodes-equal-to-sum-of-descendants.py
- count-nodes-that-are-great-enough.py
- count-nodes-with-the-highest-score.py
- count-non-decreasing-subarrays-after-k-operations.py
- count-number-of-bad-pairs.py
- count-number-of-balanced-permutations.py
- count-number-of-distinct-integers-after-reverse-operations.py
- count-number-of-homogenous-substrings.py
- count-number-of-maximum-bitwise-or-subsets.py
- count-number-of-nice-subarrays.py
- count-number-of-pairs-with-absolute-difference-k.py
- count-number-of-possible-root-nodes.py
- count-number-of-rectangles-containing-each-point.py
- count-number-of-special-subsequences.py
- count-number-of-teams.py
- count-number-of-texts.py
- count-number-of-ways-to-place-houses.py
- count-numbers-with-non-decreasing-digits.py
- count-numbers-with-unique-digits-ii.py
- count-numbers-with-unique-digits.py
- count-odd-numbers-in-an-interval-range.py
- count-of-integers.py
- count-of-interesting-subarrays.py
- count-of-matches-in-tournament.py
- count-of-range-sum.py
- count-of-smaller-numbers-after-self.py
- count-of-sub-multisets-with-bounded-sum.py
- count-of-substrings-containing-every-vowel-and-k-consonants-i.py
- count-of-substrings-containing-every-vowel-and-k-consonants-ii.py
- count-operations-to-obtain-zero.py
- count-pairs-in-two-arrays.py
- count-pairs-of-connectable-servers-in-a-weighted-tree-network.py
- count-pairs-of-equal-substrings-with-minimum-difference.py
- count-pairs-of-nodes.py
- count-pairs-of-points-with-distance-k.py
- count-pairs-of-similar-strings.py
- count-pairs-that-form-a-complete-day-i.py
- count-pairs-that-form-a-complete-day-ii.py
- count-pairs-whose-sum-is-less-than-target.py
- count-pairs-with-xor-in-a-range.py
- count-palindromic-subsequences.py
- count-partitions-with-even-sum-difference.py
- count-paths-that-can-form-a-palindrome-in-a-tree.py
- count-paths-with-the-given-xor-value.py
- count-positions-on-street-with-required-brightness.py
- count-prefix-and-suffix-pairs-i.py
- count-prefix-and-suffix-pairs-ii.py
- count-prefixes-of-a-given-string.py
- count-primes.py
- count-servers-that-communicate.py
- count-sorted-vowel-strings.py
- count-special-integers.py
- count-special-quadruplets.py
- count-special-subsequences.py
- count-square-submatrices-with-all-ones.py
- count-square-sum-triples.py
- count-stepping-numbers-in-range.py
- count-strictly-increasing-subarrays.py
- count-sub-islands.py
- count-subarrays-of-length-three-with-a-condition.py
- count-subarrays-where-max-element-appears-at-least-k-times.py
- count-subarrays-with-fixed-bounds.py
- count-subarrays-with-median-k.py
- count-subarrays-with-more-ones-than-zeros.py
- count-subarrays-with-score-less-than-k.py
- count-submatrices-with-all-ones.py
- count-submatrices-with-equal-frequency-of-x-and-y.py
- count-submatrices-with-top-left-element-and-sum-less-than-k.py
- count-substrings-divisible-by-last-digit.py
- count-substrings-starting-and-ending-with-given-character.py
- count-substrings-that-can-be-rearranged-to-contain-a-string-i.py
- count-substrings-that-can-be-rearranged-to-contain-a-string-ii.py
- count-substrings-that-differ-by-one-character.py
- count-substrings-that-satisfy-k-constraint-i.py
- count-substrings-that-satisfy-k-constraint-ii.py
- count-substrings-with-k-frequency-characters-i.py
- count-substrings-with-k-frequency-characters-ii.py
- count-substrings-with-only-one-distinct-letter.py
- count-substrings-without-repeating-character.py
- count-subtrees-with-max-distance-between-cities.py
- count-symmetric-integers.py
- count-tested-devices-after-test-operations.py
- count-the-digits-that-divide-a-number.py
- count-the-hidden-sequences.py
- count-the-number-of-arrays-with-k-matching-adjacent-elements.py
- count-the-number-of-beautiful-subarrays.py
- count-the-number-of-complete-components.py
- count-the-number-of-consistent-strings.py
- count-the-number-of-fair-pairs.py
- count-the-number-of-good-nodes.py
- count-the-number-of-good-partitions.py
- count-the-number-of-good-subarrays.py
- count-the-number-of-good-subsequences.py
- count-the-number-of-houses-at-a-certain-distance-i.py
- count-the-number-of-houses-at-a-certain-distance-ii.py
- count-the-number-of-ideal-arrays.py
- count-the-number-of-incremovable-subarrays-i.py
- count-the-number-of-incremovable-subarrays-ii.py
- count-the-number-of-infection-sequences.py
- count-the-number-of-inversions.py
- count-the-number-of-k-big-indices.py
- count-the-number-of-k-free-subsets.py
- count-the-number-of-powerful-integers.py
- count-the-number-of-special-characters-i.py
- count-the-number-of-special-characters-ii.py
- count-the-number-of-square-free-subsets.py
- count-the-number-of-substrings-with-dominant-ones.py
- count-the-number-of-vowel-strings-in-range.py
- count-the-number-of-winning-sequences.py
- count-the-repetitions.py
- count-total-number-of-colored-cells.py
- count-triplets-that-can-form-two-arrays-of-equal-xor.py
- count-triplets-with-even-xor-set-bits-i.py
- count-triplets-with-even-xor-set-bits-ii.py
- count-unguarded-cells-in-the-grid.py
- count-unhappy-friends.py
- count-unique-characters-of-all-substrings-of-a-given-string.py
- count-univalue-subtrees.py
- count-unreachable-pairs-of-nodes-in-an-undirected-graph.py
- count-valid-paths-in-a-tree.py
- count-visited-nodes-in-a-directed-graph.py
- count-vowel-strings-in-ranges.py
- count-vowel-substrings-of-a-string.py
- count-vowels-permutation.py
- count-ways-to-build-good-strings.py
- count-ways-to-build-rooms-in-an-ant-colony.py
- count-ways-to-distribute-candies.py
- count-ways-to-group-overlapping-ranges.py
- count-ways-to-make-array-with-product.py
- count-words-obtained-after-adding-a-letter.py
- count-zero-request-servers.py
- counting-bits.py
- counting-elements.py
- counting-words-with-a-given-prefix.py
- couples-holding-hands.py
- course-schedule-ii.py
- course-schedule-iii.py
- course-schedule-iv.py
- course-schedule.py
- cousins-in-binary-tree-ii.py
- cousins-in-binary-tree.py
- cracking-the-safe.py
- crawler-log-folder.py
- create-binary-tree-from-descriptions.py
- create-components-with-same-value.py
- create-maximum-number.py
- create-sorted-array-through-instructions.py
- create-target-array-in-the-given-order.py
- critical-connections-in-a-network.py
- custom-sort-string.py
- cut-off-trees-for-golf-event.py
- cutting-ribbons.py
- cycle-length-queries-in-a-tree.py
- cyclically-rotating-a-grid.py
- daily-temperatures.py
- data-stream-as-disjoint-intervals.py
- day-of-the-week.py
- day-of-the-year.py
- decode-string.py
- decode-the-message.py
- decode-the-slanted-ciphertext.py
- decode-ways-ii.py
- decode-ways.py
- decode-xored-array.py
- decode-xored-permutation.py
- decoded-string-at-index.py
- decompress-run-length-encoded-list.py
- decrease-elements-to-make-array-zigzag.py
- decremental-string-concatenation.py
- decrypt-string-from-alphabet-to-integer-mapping.py
- deepest-leaves-sum.py
- defanging-an-ip-address.py
- defuse-the-bomb.py
- degree-of-an-array.py
- delete-and-earn.py
- delete-characters-to-make-fancy-string.py
- delete-columns-to-make-sorted-ii.py
- delete-columns-to-make-sorted-iii.py
- delete-columns-to-make-sorted.py
- delete-duplicate-folders-in-system.py
- delete-greatest-value-in-each-row.py
- delete-leaves-with-a-given-value.py
- delete-n-nodes-after-m-nodes-of-a-linked-list.py
- delete-node-in-a-bst.py
- delete-node-in-a-linked-list.py
- delete-nodes-and-return-forest.py
- delete-nodes-from-linked-list-present-in-array.py
- delete-operation-for-two-strings.py
- delete-the-middle-node-of-a-linked-list.py
- delete-tree-nodes.py
- delivering-boxes-from-storage-to-ports.py
- depth-of-bst-given-insertion-order.py
- describe-the-painting.py
- design-a-3d-binary-matrix-with-efficient-layer-tracking.py
- design-a-file-sharing-system.py
- design-a-food-rating-system.py
- design-a-leaderboard.py
- design-a-number-container-system.py
- design-a-stack-with-increment-operation.py
- design-a-text-editor.py
- design-a-todo-list.py
- design-an-array-statistics-tracker.py
- design-an-atm-machine.py
- design-an-expression-tree-with-evaluate-function.py
- design-an-ordered-stream.py
- design-authentication-manager.py
- design-bitset.py
- design-bounded-blocking-queue.py
- design-browser-history.py
- design-circular-deque.py
- design-circular-queue.py
- design-compressed-string-iterator.py
- design-excel-sum-formula.py
- design-file-system.py
- design-front-middle-back-queue.py
- design-graph-with-shortest-path-calculator.py
- design-hashmap.py
- design-hashset.py
- design-hit-counter.py
- design-in-memory-file-system.py
- design-linked-list.py
- design-log-storage-system.py
- design-memory-allocator.py
- design-most-recently-used-queue.py
- design-movie-rental-system.py
- design-neighbor-sum-service.py
- design-parking-system.py
- design-phone-directory.py
- design-search-autocomplete-system.py
- design-skiplist.py
- design-snake-game.py
- design-spreadsheet.py
- design-sql.py
- design-task-manager.py
- design-tic-tac-toe.py
- design-twitter.py
- design-underground-system.py
- design-video-sharing-platform.py
- destination-city.py
- destroy-sequential-targets.py
- destroying-asteroids.py
- detect-capital.py
- detect-cycles-in-2d-grid.py
- detect-pattern-of-length-m-repeated-k-or-more-times.py
- detect-squares.py
- determine-color-of-a-chessboard-square.py
- determine-if-a-cell-is-reachable-at-a-given-time.py
- determine-if-string-halves-are-alike.py
- determine-if-two-events-have-conflict.py
- determine-if-two-strings-are-close.py
- determine-the-minimum-sum-of-a-k-avoiding-array.py
- determine-the-winner-of-a-bowling-game.py
- determine-whether-matrix-can-be-obtained-by-rotation.py
- detonate-the-maximum-bombs.py
- di-string-match.py
- diagonal-traverse-ii.py
- diagonal-traverse.py
- diameter-of-binary-tree.py
- diameter-of-n-ary-tree.py
- dice-roll-simulation.py
- diet-plan-performance.py
- difference-between-element-sum-and-digit-sum-of-an-array.py
- difference-between-maximum-and-minimum-price-sum.py
- difference-between-ones-and-zeros-in-row-and-column.py
- difference-of-number-of-distinct-values-on-diagonals.py
- different-ways-to-add-parentheses.py
- digit-count-in-range.py
- digit-operations-to-make-two-integers-equal.py
- dinner-plate-stacks.py
- disconnect-path-in-a-binary-matrix-by-at-most-one-flip.py
- display-table-of-food-orders-in-a-restaurant.py
- distance-between-bus-stops.py
- distance-to-a-cycle-in-undirected-graph.py
- distant-barcodes.py
- distinct-echo-substrings.py
- distinct-numbers-in-each-subarray.py
- distinct-prime-factors-of-product-of-array.py
- distinct-subsequences-ii.py
- distinct-subsequences.py
- distribute-candies-among-children-i.py
- distribute-candies-among-children-ii.py
- distribute-candies-among-children-iii.py
- distribute-candies-to-people.py
- distribute-candies.py
- distribute-coins-in-binary-tree.py
- distribute-elements-into-two-arrays-i.py
- distribute-elements-into-two-arrays-ii.py
- distribute-money-to-maximum-children.py
- distribute-repeating-integers.py
- divide-a-string-into-groups-of-size-k.py
- divide-an-array-into-subarrays-with-minimum-cost-i.py
- divide-an-array-into-subarrays-with-minimum-cost-ii.py
- divide-array-in-sets-of-k-consecutive-numbers.py
- divide-array-into-arrays-with-max-difference.py
- divide-array-into-equal-pairs.py
- divide-array-into-increasing-sequences.py
- divide-chocolate.py
- divide-intervals-into-minimum-number-of-groups.py
- divide-nodes-into-the-maximum-number-of-groups.py
- divide-players-into-teams-of-equal-skill.py
- divide-two-integers.py
- divisible-and-non-divisible-sums-difference.py
- divisor-game.py
- domino-and-tromino-tiling.py
- dot-product-of-two-sparse-vectors.py
- dota2-senate.py
- double-a-number-represented-as-a-linked-list.py
- double-modular-exponentiation.py
- dungeon-game.py
- duplicate-zeros.py
- earliest-possible-day-of-full-bloom.py
- earliest-second-to-mark-indices-i.py
- earliest-second-to-mark-indices-ii.py
- eat-pizzas.py
- edit-distance.py
- egg-drop-with-2-eggs-and-n-floors.py
- element-appearing-more-than-25-in-sorted-array.py
- elements-in-array-after-removing-and-replacing-elements.py
- eliminate-maximum-number-of-monsters.py
- elimination-game.py
- employee-free-time.py
- employee-importance.py
- encode-and-decode-strings.py
- encode-and-decode-tinyurl.py
- encode-n-ary-tree-to-binary-tree.py
- encode-number.py
- encode-string-with-shortest-length.py
- encrypt-and-decrypt-strings.py
- equal-rational-numbers.py
- equal-row-and-column-pairs.py
- equal-sum-arrays-with-minimum-number-of-operations.py
- equal-tree-partition.py
- equalize-strings-by-adding-or-removing-characters-at-ends.py
- erect-the-fence-ii.py
- erect-the-fence.py
- escape-a-large-maze.py
- escape-the-ghosts.py
- escape-the-spreading-fire.py
- evaluate-boolean-binary-tree.py
- evaluate-division.py
- evaluate-reverse-polish-notation.py
- evaluate-the-bracket-pairs-of-a-string.py
- even-odd-tree.py
- exam-room.py
- excel-sheet-column-number.py
- excel-sheet-column-title.py
- exclusive-time-of-functions.py
- execution-of-all-suffix-instructions-staying-in-a-grid.py
- existence-of-a-substring-in-a-string-and-its-reverse.py
- expression-add-operators.py
- expressive-words.py
- extra-characters-in-a-string.py
- extract-kth-character-from-the-rope-tree.py
- factor-combinations.py
- factorial-trailing-zeroes.py
- fair-candy-swap.py
- fair-distribution-of-cookies.py
- falling-squares.py
- fancy-sequence.py
- faulty-keyboard.py
- faulty-sensor.py
- fibonacci-number.py
- filling-bookcase-shelves.py
- filter-restaurants-by-vegan-friendly-price-and-distance.py
- final-array-state-after-k-multiplication-operations-i.py
- final-array-state-after-k-multiplication-operations-ii.py
- final-prices-with-a-special-discount-in-a-shop.py
- final-value-of-variable-after-performing-operations.py
- find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree.py
- find-a-good-subset-of-the-matrix.py
- find-a-peak-element-ii.py
- find-a-safe-walk-through-a-grid.py
- find-a-value-of-a-mysterious-function-closest-to-target.py
- find-all-anagrams-in-a-string.py
- find-all-duplicates-in-an-array.py
- find-all-good-indices.py
- find-all-good-strings.py
- find-all-groups-of-farmland.py
- find-all-k-distant-indices-in-an-array.py
- find-all-lonely-numbers-in-the-array.py
- find-all-numbers-disappeared-in-an-array.py
- find-all-people-with-secret.py
- find-all-possible-recipes-from-given-supplies.py
- find-all-possible-stable-binary-arrays-i.py
- find-all-possible-stable-binary-arrays-ii.py
- find-all-the-lonely-nodes.py
- find-anagram-mappings.py
- find-and-replace-in-string.py
- find-and-replace-pattern.py
- find-array-given-subset-sums.py
- find-beautiful-indices-in-the-given-array-i.py
- find-beautiful-indices-in-the-given-array-ii.py
- find-bottom-left-tree-value.py
- find-building-where-alice-and-bob-can-meet.py
- find-center-of-star-graph.py
- find-champion-i.py
- find-champion-ii.py
- find-closest-node-to-given-two-nodes.py
- find-closest-number-to-zero.py
- find-closest-person.py
- find-common-characters.py
- find-common-elements-between-two-arrays.py
- find-consecutive-integers-from-a-data-stream.py
- find-critical-and-pseudo-critical-edges-in-minimum-spanning-tree.py
- find-distance-in-a-binary-tree.py
- find-duplicate-file-in-system.py
- find-duplicate-subtrees.py
- find-edges-in-shortest-paths.py
- find-elements-in-a-contaminated-binary-tree.py
- find-eventual-safe-states.py
- find-first-and-last-position-of-element-in-sorted-array.py
- find-first-palindromic-string-in-the-array.py
- find-good-days-to-rob-the-bank.py
- find-greatest-common-divisor-of-array.py
- find-if-array-can-be-sorted.py
- find-if-digit-game-can-be-won.py
- find-if-path-exists-in-graph.py
- find-in-mountain-array.py
- find-indices-of-stable-mountains.py
- find-indices-with-index-and-value-difference-i.py
- find-indices-with-index-and-value-difference-ii.py
- find-k-closest-elements.py
- find-k-length-substrings-with-no-repeated-characters.py
- find-k-pairs-with-smallest-sums.py
- find-k-th-smallest-pair-distance.py
- find-kth-bit-in-nth-binary-string.py
- find-kth-largest-xor-coordinate-value.py
- find-largest-value-in-each-tree-row.py
- find-latest-group-of-size-m.py
- find-leaves-of-binary-tree.py
- find-longest-awesome-substring.py
- find-longest-self-contained-substring.py
- find-longest-special-substring-that-occurs-thrice-i.py
- find-longest-special-substring-that-occurs-thrice-ii.py
- find-lucky-integer-in-an-array.py
- find-maximal-uncovered-ranges.py
- find-maximum-non-decreasing-array-length.py
- find-maximum-number-of-string-pairs.py
- find-maximum-removals-from-source-string.py
- find-median-from-data-stream.py
- find-minimum-cost-to-remove-array-elements.py
- find-minimum-diameter-after-merging-two-trees.py
- find-minimum-in-rotated-sorted-array-ii.py
- find-minimum-in-rotated-sorted-array.py
- find-minimum-operations-to-make-all-elements-divisible-by-three.py
- find-minimum-time-to-finish-all-jobs-ii.py
- find-minimum-time-to-finish-all-jobs.py
- find-minimum-time-to-reach-last-room-i.py
- find-minimum-time-to-reach-last-room-ii.py
- find-mirror-score-of-a-string.py
- find-missing-and-repeated-values.py
- find-missing-observations.py
- find-mode-in-binary-search-tree.py
- find-n-unique-integers-sum-up-to-zero.py
- find-nearest-point-that-has-the-same-x-or-y-coordinate.py
- find-nearest-right-node-in-binary-tree.py
- find-number-of-coins-to-place-in-tree-nodes.py
- find-number-of-ways-to-reach-the-k-th-stair.py
- find-numbers-with-even-number-of-digits.py
- find-occurrences-of-an-element-in-an-array.py
- find-original-array-from-doubled-array.py
- find-palindrome-with-fixed-length.py
- find-pattern-in-infinite-stream-i.py
- find-pattern-in-infinite-stream-ii.py
- find-peak-element.py
- find-permutation.py
- find-pivot-index.py
- find-players-with-zero-or-one-losses.py
- find-polygon-with-the-largest-perimeter.py
- find-positive-integer-solution-for-a-given-equation.py
- find-products-of-elements-of-big-array.py
- find-resultant-array-after-removing-anagrams.py
- find-right-interval.py
- find-root-of-n-ary-tree.py
- find-score-of-an-array-after-marking-all-elements.py
- find-servers-that-handled-most-number-of-requests.py
- find-shortest-path-with-k-hops.py
- find-smallest-common-element-in-all-rows.py
- find-smallest-letter-greater-than-target.py
- find-sorted-submatrices-with-maximum-element-at-most-k.py
- find-special-substring-of-length-k.py
- find-subarray-with-bitwise-or-closest-to-k.py
- find-subarrays-with-equal-sum.py
- find-subsequence-of-length-k-with-the-largest-sum.py
- find-substring-with-given-hash-value.py
- find-subtree-sizes-after-changes.py
- find-target-indices-after-sorting-array.py
- find-the-array-concatenation-value.py
- find-the-celebrity.py
- find-the-child-who-has-the-ball-after-k-seconds.py
- find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance.py
- find-the-closest-marked-node.py
- find-the-closest-palindrome.py
- find-the-count-of-good-integers.py
- find-the-count-of-monotonic-pairs-i.py
- find-the-count-of-monotonic-pairs-ii.py
- find-the-count-of-numbers-which-are-not-special.py
- find-the-derangement-of-an-array.py
- find-the-difference-of-two-arrays.py
- find-the-difference.py
- find-the-distance-value-between-two-arrays.py
- find-the-distinct-difference-array.py
- find-the-divisibility-array-of-a-string.py
- find-the-duplicate-number.py
- find-the-encrypted-string.py
- find-the-first-player-to-win-k-games-in-a-row.py
- find-the-grid-of-region-average.py
- find-the-highest-altitude.py
- find-the-index-of-permutation.py
- find-the-index-of-the-large-integer.py
- find-the-integer-added-to-array-i.py
- find-the-integer-added-to-array-ii.py
- find-the-k-beauty-of-a-number.py
- find-the-k-or-of-an-array.py
- find-the-k-sum-of-an-array.py
- find-the-k-th-character-in-string-game-i.py
- find-the-k-th-character-in-string-game-ii.py
- find-the-k-th-lucky-number.py
- find-the-key-of-the-numbers.py
- find-the-kth-largest-integer-in-the-array.py
- find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows.py
- find-the-largest-almost-missing-integer.py
- find-the-largest-area-of-square-inside-two-rectangles.py
- find-the-largest-palindrome-divisible-by-k.py
- find-the-last-marked-nodes-in-tree.py
- find-the-length-of-the-longest-common-prefix.py
- find-the-level-of-tree-with-minimum-sum.py
- find-the-lexicographically-largest-string-from-the-box-i.py
- find-the-lexicographically-largest-string-from-the-box-ii.py
- find-the-lexicographically-smallest-valid-sequence.py
- find-the-longest-balanced-substring-of-a-binary-string.py
- find-the-longest-equal-subarray.py
- find-the-longest-semi-repetitive-substring.py
- find-the-longest-substring-containing-vowels-in-even-counts.py
- find-the-longest-valid-obstacle-course-at-each-position.py
- find-the-losers-of-the-circular-game.py
- find-the-maximum-achievable-number.py
- find-the-maximum-divisibility-score.py
- find-the-maximum-factor-score-of-array.py
- find-the-maximum-length-of-a-good-subsequence-i.py
- find-the-maximum-length-of-a-good-subsequence-ii.py
- find-the-maximum-length-of-valid-subsequence-i.py
- find-the-maximum-length-of-valid-subsequence-ii.py
- find-the-maximum-number-of-elements-in-subset.py
- find-the-maximum-number-of-fruits-collected.py
- find-the-maximum-number-of-marked-indices.py
- find-the-maximum-sequence-value-of-array.py
- find-the-maximum-sum-of-node-values.py
- find-the-median-of-the-uniqueness-array.py
- find-the-middle-index-in-array.py
- find-the-minimum-amount-of-time-to-brew-potions.py
- find-the-minimum-and-maximum-number-of-nodes-between-critical-points.py
- find-the-minimum-area-to-cover-all-ones-i.py
- find-the-minimum-area-to-cover-all-ones-ii.py
- find-the-minimum-cost-array-permutation.py
- find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k.py
- find-the-minimum-possible-sum-of-a-beautiful-array.py
- find-the-most-competitive-subsequence.py
- find-the-n-th-value-after-k-seconds.py
- find-the-number-of-copy-arrays.py
- find-the-number-of-distinct-colors-among-the-balls.py
- find-the-number-of-good-pairs-i.py
- find-the-number-of-good-pairs-ii.py
- 2131 entries not shown
Python3
Ruby
Rust
Shell
Swift
TypeScript
.travis.yml
0001-1000.md
1001-2000.md
LICENSE.md
README.md
REFERENCE.md

convert-doubly-linked-list-to-array-i.py

Create convert-doubly-linked-list-to-array-i.py

Aug 23, 2024

9a26c7a · Aug 23, 2024