Files

.vscode
0001-two-sum
0002-add-two-numbers
0003-longest-substring-without-repeating-characters
0005-longest-palindromic-substring
0009-palindrome-number
0011-container-with-most-water
0013-roman-to-integer
0014-longest-common-prefix
0019-remove-nth-node-from-end-of-list
0021-merge-two-sorted-lists
0023-merge-k-sorted-lists
0024-swap-nodes-in-pairs
0025-reverse-nodes-in-k-group
0026-remove-duplicates-from-sorted-array
0028-find-the-index-of-the-first-occurrence-in-a-string
0029-divide-two-integers
0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position
0036-valid-sudoku
0039-combination-sum
0040-combination-sum-ii
0041-first-missing-positive
0043-multiply-strings
0045-jump-game-ii
0046-permutations
0047-permutations-ii
0048-rotate-image
0050-powx-n
0051-n-queens
0054-spiral-matrix
0058-length-of-last-word
0061-rotate-list
0062-unique-paths
0064-minimum-path-sum
0066-plus-one
0067-add-binary
0069-sqrtx
0070-climbing-stairs
0073-set-matrix-zeroes
0074-search-a-2d-matrix
0075-sort-colors
0076-minimum-window-substring
0077-combinations
0078-subsets
0082-remove-duplicates-from-sorted-list-ii
0083-remove-duplicates-from-sorted-list
0086-partition-list
0088-merge-sorted-array
0092-reverse-linked-list-ii
0093-restore-ip-addresses
0098-validate-binary-search-tree
0100-same-tree
0101-symmetric-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0111-minimum-depth-of-binary-tree
0112-path-sum
0113-path-sum-ii
0118-pascals-triangle
0119-pascals-triangle-ii
0120-triangle
0121-best-time-to-buy-and-sell-stock
0122-best-time-to-buy-and-sell-stock-ii
0124-binary-tree-maximum-path-sum
0129-sum-root-to-leaf-numbers
0130-surrounded-regions
0134-gas-station
0136-single-number
0137-single-number-ii
0140-word-break-ii
0141-linked-list-cycle
0142-linked-list-cycle-ii
0144-binary-tree-preorder-traversal
0145-binary-tree-postorder-traversal
- NOTES.md
0146-lru-cache
0147-insertion-sort-list
0148-sort-list
0150-evaluate-reverse-polish-notation
0155-min-stack
0167-two-sum-ii-input-array-is-sorted
0171-excel-sheet-column-number
0174-dungeon-game
0179-largest-number
0189-rotate-array
0190-reverse-bits
0191-number-of-1-bits
0198-house-robber
0199-binary-tree-right-side-view
0200-number-of-islands
0203-remove-linked-list-elements
0204-count-primes
0205-isomorphic-strings
0206-reverse-linked-list
0207-course-schedule
0209-minimum-size-subarray-sum
0210-course-schedule-ii
0211-design-add-and-search-words-data-structure
0213-house-robber-ii
0215-kth-largest-element-in-an-array
0219-contains-duplicate-ii
0225-implement-stack-using-queues
0226-invert-binary-tree
0230-kth-smallest-element-in-a-bst
0231-power-of-two
0232-implement-queue-using-stacks
0234-palindrome-linked-list
0235-lowest-common-ancestor-of-a-binary-search-tree
0236-lowest-common-ancestor-of-a-binary-tree
0237-delete-node-in-a-linked-list
0238-product-of-array-except-self
0257-binary-tree-paths
0258-add-digits
0268-missing-number
0273-integer-to-english-words
0275-h-index-ii
0278-first-bad-version
0283-move-zeroes
0287-find-the-duplicate-number
0295-find-median-from-data-stream
0300-longest-increasing-subsequence
0303-range-sum-query-immutable
0304-range-sum-query-2d-immutable
0306-additive-number
0309-best-time-to-buy-and-sell-stock-with-cooldown
0310-minimum-height-trees
0315-count-of-smaller-numbers-after-self
0316-remove-duplicate-letters
0318-maximum-product-of-word-lengths
0322-coin-change
0326-power-of-three
0328-odd-even-linked-list
0334-increasing-triplet-subsequence
0337-house-robber-iii
0342-power-of-four
0344-reverse-string
0345-reverse-vowels-of-a-string
0347-top-k-frequent-elements
0373-find-k-pairs-with-smallest-sums
0376-wiggle-subsequence
0377-combination-sum-iv
0378-kth-smallest-element-in-a-sorted-matrix
0389-find-the-difference
0392-is-subsequence
0394-decode-string
0404-sum-of-left-leaves
0409-longest-palindrome
0424-longest-repeating-character-replacement
0436-find-right-interval
0437-path-sum-iii
0438-find-all-anagrams-in-a-string
0442-find-all-duplicates-in-an-array
0443-string-compression
0448-find-all-numbers-disappeared-in-an-array
0456-132-pattern
0461-hamming-distance
0463-island-perimeter
0475-heaters
0476-number-complement
0486-predict-the-winner
0491-non-decreasing-subsequences
0493-reverse-pairs
0494-target-sum
0496-next-greater-element-i
0498-diagonal-traverse
0501-find-mode-in-binary-search-tree
0503-next-greater-element-ii
0509-fibonacci-number
0516-longest-palindromic-subsequence
0526-beautiful-arrangement
0529-minesweeper
0537-complex-number-multiplication
0542-01-matrix
0547-number-of-provinces
0559-maximum-depth-of-n-ary-tree
0560-subarray-sum-equals-k
0566-reshape-the-matrix
0567-permutation-in-string
0606-construct-string-from-binary-tree
0609-find-duplicate-file-in-system
0617-merge-two-binary-trees
0633-sum-of-square-numbers
0637-average-of-levels-in-binary-tree
0641-design-circular-deque
0643-maximum-average-subarray-i
0645-set-mismatch
0650-2-keys-keyboard
0659-split-array-into-consecutive-subsequences
0662-maximum-width-of-binary-tree
0684-redundant-connection
0690-employee-importance
0692-top-k-frequent-words
0693-binary-number-with-alternating-bits
0695-max-area-of-island
0700-search-in-a-binary-search-tree
0703-kth-largest-element-in-a-stream
0706-design-hashmap
0707-design-linked-list
0714-best-time-to-buy-and-sell-stock-with-transaction-fee
0720-longest-word-in-dictionary
0721-accounts-merge
0722-remove-comments
0733-flood-fill
0743-network-delay-time
0746-min-cost-climbing-stairs
0752-open-the-lock
0763-partition-labels
0766-toeplitz-matrix
0773-sliding-puzzle
0779-k-th-symbol-in-grammar
0785-is-graph-bipartite
0787-cheapest-flights-within-k-stops
0794-valid-tic-tac-toe-state
0797-all-paths-from-source-to-target
0799-champagne-tower
0802-find-eventual-safe-states
0811-subdomain-visit-count
0815-bus-routes
0818-race-car
0840-magic-squares-in-grid
0841-keys-and-rooms
0844-backspace-string-compare
0851-loud-and-rich
0852-peak-index-in-a-mountain-array
0853-car-fleet
0856-score-of-parentheses
0860-lemonade-change
0862-shortest-subarray-with-sum-at-least-k
0863-all-nodes-distance-k-in-binary-tree
0864-shortest-path-to-get-all-keys
0867-transpose-matrix
0875-koko-eating-bananas
0876-middle-of-the-linked-list
0881-boats-to-save-people
0886-possible-bipartition
0901-online-stock-span
0904-fruit-into-baskets
0907-sum-of-subarray-minimums
0909-snakes-and-ladders
0911-online-election
0914-x-of-a-kind-in-a-deck-of-cards
0930-binary-subarrays-with-sum
0931-minimum-falling-path-sum
0934-shortest-bridge
0935-knight-dialer
0941-valid-mountain-array
0944-delete-columns-to-make-sorted
0947-most-stones-removed-with-same-row-or-column
0951-flip-equivalent-binary-trees
0953-verifying-an-alien-dictionary
0969-pancake-sorting
0974-subarray-sums-divisible-by-k
0976-largest-perimeter-triangle
0979-distribute-coins-in-binary-tree
0983-minimum-cost-for-tickets
0985-sum-of-even-numbers-after-queries
0987-vertical-order-traversal-of-a-binary-tree
0990-satisfiability-of-equality-equations
0994-rotting-oranges
1002-find-common-characters
1008-construct-binary-search-tree-from-preorder-traversal
1009-complement-of-base-10-integer
1011-capacity-to-ship-packages-within-d-days
1014-best-sightseeing-pair
1019-next-greater-node-in-linked-list
1027-longest-arithmetic-subsequence
1035-uncrossed-lines
1046-last-stone-weight
1049-last-stone-weight-ii
1053-previous-permutation-with-one-swap
1061-lexicographically-smallest-equivalent-string
1081-smallest-subsequence-of-distinct-characters
1091-shortest-path-in-binary-matrix
1094-car-pooling
1110-delete-nodes-and-return-forest
1137-n-th-tribonacci-number
1143-longest-common-subsequence
1170-compare-strings-by-frequency-of-the-smallest-character
1202-smallest-string-with-swaps
1203-sort-items-by-groups-respecting-dependencies
1218-longest-arithmetic-subsequence-of-given-difference
1222-queens-that-can-attack-the-king
1232-check-if-it-is-a-straight-line
1234-replace-the-substring-for-balanced-string
1239-maximum-length-of-a-concatenated-string-with-unique-characters
1248-count-number-of-nice-subarrays
1283-find-the-smallest-divisor-given-a-threshold
1299-replace-elements-with-greatest-element-on-right-side
1309-decrypt-string-from-alphabet-to-integer-mapping
1315-sum-of-nodes-with-even-valued-grandparent
1324-print-words-vertically
1359-count-all-valid-pickup-and-delivery-options
1365-how-many-numbers-are-smaller-than-the-current-number
1391-check-if-there-is-a-valid-path-in-a-grid
1392-longest-happy-prefix
1395-count-number-of-teams
1443-minimum-time-to-collect-all-apples-in-a-tree
1462-course-schedule-iv
1470-shuffle-the-array
1472-design-browser-history
1480-running-sum-of-1d-array
1491-average-salary-excluding-the-minimum-and-maximum-salary
1509-minimum-difference-between-largest-and-smallest-value-in-three-moves
1512-number-of-good-pairs
1514-path-with-maximum-probability
1519-number-of-nodes-in-the-sub-tree-with-the-same-label
1557-minimum-number-of-vertices-to-reach-all-nodes
1561-maximum-number-of-coins-you-can-get
1584-min-cost-to-connect-all-points
1589-maximum-sum-obtained-of-any-permutation
1598-crawler-log-folder
1600-throne-inheritance
1601-maximum-number-of-achievable-transfer-requests
1603-design-parking-system
1615-maximal-network-rank
1626-best-team-with-no-conflicts
1642-furthest-building-you-can-reach
1646-get-maximum-in-generated-array
1649-create-sorted-array-through-instructions
1678-goal-parser-interpretation
1679-max-number-of-k-sum-pairs
1697-checking-existence-of-edge-length-limited-paths
1711-count-good-meals
1722-minimize-hamming-distance-after-swap-operations
1743-restore-the-array-from-adjacent-pairs
1754-largest-merge-of-two-strings
1763-longest-nice-substring
1768-merge-strings-alternately
1769-minimum-number-of-operations-to-move-all-balls-to-each-box
1779-find-nearest-point-that-has-the-same-x-or-y-coordinate
1791-find-center-of-star-graph
1823-find-the-winner-of-the-circular-game
1834-single-threaded-cpu
1846-maximum-element-after-decreasing-and-rearranging
1849-splitting-a-string-into-descending-consecutive-values
1854-maximum-population-year
1863-sum-of-all-subset-xor-totals
1905-count-sub-islands
1920-build-array-from-permutation
1926-nearest-exit-from-entrance-in-maze
1962-remove-stones-to-minimize-the-total
1970-last-day-where-you-can-still-cross
1971-find-if-path-exists-in-graph
1979-find-greatest-common-divisor-of-array
1993-operations-on-tree
2017-grid-game
2043-simple-bank-system
2044-count-number-of-maximum-bitwise-or-subsets
2073-time-needed-to-buy-tickets
2076-process-restricted-friend-requests
2089-find-target-indices-after-sorting-array
2101-detonate-the-maximum-bombs
2109-adding-spaces-to-a-string
2115-find-all-possible-recipes-from-given-supplies
2130-maximum-twin-sum-of-a-linked-list
2140-solving-questions-with-brainpower
2149-rearrange-array-elements-by-sign
2161-partition-array-according-to-given-pivot
2177-find-three-consecutive-integers-that-sum-to-a-given-number
2192-all-ancestors-of-a-node-in-a-directed-acyclic-graph
2225-find-players-with-zero-or-one-losses
2236-root-equals-sum-of-children
2246-longest-path-with-different-adjacent-characters
2265-count-nodes-equal-to-average-of-subtree
2295-replace-elements-in-an-array
2305-fair-distribution-of-cookies
2352-equal-row-and-column-pairs
2360-longest-cycle-in-a-graph
2373-largest-local-values-in-a-matrix
2379-minimum-recolors-to-get-k-consecutive-black-blocks
2381-shifting-letters-ii
2382-maximum-segment-sum-after-removals
2392-build-a-matrix-with-conditions
2410-maximum-matching-of-players-with-trainers
2413-smallest-even-multiple
2416-sum-of-prefix-scores-of-strings
2418-sort-the-people
2426-number-of-pairs-satisfying-inequality
2428-maximum-sum-of-an-hourglass
2439-minimize-maximum-of-array
2442-count-number-of-distinct-integers-after-reverse-operations
2447-number-of-subarrays-with-gcd-equal-to-k
2460-apply-operations-to-an-array
2469-convert-the-temperature
2482-difference-between-ones-and-zeros-in-row-and-column
2491-divide-players-into-teams-of-equal-skill
2492-minimum-score-of-a-path-between-two-cities
2506-count-pairs-of-similar-strings
2521-distinct-prime-factors-of-product-of-array
2523-closest-prime-numbers-in-range
2526-find-consecutive-integers-from-a-data-stream
2600-k-items-with-the-maximum-sum
2646-minimize-the-total-price-of-the-trips
2771-longest-non-decreasing-subarray-from-two-arrays
Alien Dictionary - GFG
Array
Check if array is sorted - GFG
Codeforces
Contests
Detect cycle in an undirected graph - GFG
Linked List
Math
Monotonic Stack
Prefix sum
Python Track
Queue
Recursion
Sliding Window
Sorting
Stack
Two Pointers
aftercamp
camp
eolymp
geeks_for_geeks
hackerrank
71. Simplify Path.py
HackerRank Array_Manipulation.py
README.md
parallel_courses.py

0145-binary-tree-postorder-traversal

Apr 8, 2023

b77db9e · Apr 8, 2023

Name	Name	Last commit message	Last commit date
parent directory ..
NOTES.md	NOTES.md	Attach NOTES - LeetHub	Apr 8, 2023

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Files

0145-binary-tree-postorder-traversal

0145-binary-tree-postorder-traversal

Files

0145-binary-tree-postorder-traversal

Directory actions

More options

Directory actions

More options

Latest commit

History

0145-binary-tree-postorder-traversal

Folders and files

parent directory