LeetCode

This repository, which was created using LeetHub, contains my solutions to the LeetCode problems I solve.

To visit my LeetCode profile, please click here.

NOTE: While some solutions are marked with a runtime of 0ms, that is most likely due to an error with LeetCode's code runner and not their actual runtime.

LeetCode Topics

Stack


0071-simplify-path
0145-binary-tree-postorder-traversal
0957-minimum-add-to-make-parentheses-valid
1197-parsing-a-boolean-expression
1497-design-a-stack-with-increment-operation
2800-minimum-string-length-after-removing-substrings

Tree


0101-symmetric-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0108-convert-sorted-array-to-binary-search-tree
0109-convert-sorted-list-to-binary-search-tree
0110-balanced-binary-tree
0111-minimum-depth-of-binary-tree
0113-path-sum-ii
0116-populating-next-right-pointers-in-each-node
0129-sum-root-to-leaf-numbers
0145-binary-tree-postorder-traversal
1254-deepest-leaves-sum
1450-delete-leaves-with-a-given-value
1484-linked-list-in-binary-tree

Depth-First Search


0101-symmetric-tree
0104-maximum-depth-of-binary-tree
0110-balanced-binary-tree
0111-minimum-depth-of-binary-tree
0113-path-sum-ii
0116-populating-next-right-pointers-in-each-node
0129-sum-root-to-leaf-numbers
0145-binary-tree-postorder-traversal
1254-deepest-leaves-sum
1450-delete-leaves-with-a-given-value
1484-linked-list-in-binary-tree

Binary Tree


0101-symmetric-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0108-convert-sorted-array-to-binary-search-tree
0109-convert-sorted-list-to-binary-search-tree
0110-balanced-binary-tree
0111-minimum-depth-of-binary-tree
0113-path-sum-ii
0116-populating-next-right-pointers-in-each-node
0129-sum-root-to-leaf-numbers
0145-binary-tree-postorder-traversal
1254-deepest-leaves-sum
1450-delete-leaves-with-a-given-value
1484-linked-list-in-binary-tree

Array


0045-jump-game-ii
0054-spiral-matrix
0059-spiral-matrix-ii
0064-minimum-path-sum
0074-search-a-2d-matrix
0075-sort-colors
0078-subsets
0108-convert-sorted-array-to-binary-search-tree
0120-triangle
0136-single-number
0153-find-minimum-in-rotated-sorted-array
0169-majority-element
0189-rotate-array
0204-count-primes
0240-search-a-2d-matrix-ii
0816-design-hashset
0859-design-circular-deque
1027-sum-of-even-numbers-after-queries
1256-rank-transform-of-an-array
1325-path-with-maximum-probability
1435-xor-queries-of-a-subarray
1497-design-a-stack-with-increment-operation
1620-check-if-array-pairs-are-divisible-by-k
1786-count-the-number-of-consistent-strings
2006-find-the-student-that-will-replace-the-chalk
2155-find-missing-observations
2476-check-distances-between-same-letters
2503-longest-subarray-with-maximum-bitwise-and
2581-divide-players-into-teams-of-equal-skill
2728-sum-in-a-matrix
3165-find-indices-with-index-and-value-difference-i
3324-split-the-array
3501-delete-nodes-from-linked-list-present-in-array

Graph


1325-path-with-maximum-probability

Heap (Priority Queue)


1325-path-with-maximum-probability
2728-sum-in-a-matrix

Shortest Path


1325-path-with-maximum-probability

Binary Search


0074-search-a-2d-matrix
0153-find-minimum-in-rotated-sorted-array
0240-search-a-2d-matrix-ii
2006-find-the-student-that-will-replace-the-chalk

Simulation


0054-spiral-matrix
0059-spiral-matrix-ii
1027-sum-of-even-numbers-after-queries
1800-concatenation-of-consecutive-binary-numbers
2006-find-the-student-that-will-replace-the-chalk
2155-find-missing-observations
2645-pass-the-pillow
2728-sum-in-a-matrix
2800-minimum-string-length-after-removing-substrings

Prefix Sum


1435-xor-queries-of-a-subarray
2006-find-the-student-that-will-replace-the-chalk

Math


0029-divide-two-integers
0189-rotate-array
0202-happy-number
0204-count-primes
0382-linked-list-random-node
1800-concatenation-of-consecutive-binary-numbers
2155-find-missing-observations
2645-pass-the-pillow
2903-insert-greatest-common-divisors-in-linked-list
3553-check-if-two-chessboard-squares-have-the-same-color
3567-convert-date-to-binary

Linked List


0061-rotate-list
0086-partition-list
0109-convert-sorted-list-to-binary-search-tree
0116-populating-next-right-pointers-in-each-node
0141-linked-list-cycle
0142-linked-list-cycle-ii
0148-sort-list
0382-linked-list-random-node
0725-split-linked-list-in-parts
0816-design-hashset
0838-design-linked-list
0859-design-circular-deque
1484-linked-list-in-binary-tree
2903-insert-greatest-common-divisors-in-linked-list
3501-delete-nodes-from-linked-list-present-in-array

Breadth-First Search


0101-symmetric-tree
0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree
0111-minimum-depth-of-binary-tree
0116-populating-next-right-pointers-in-each-node
1254-deepest-leaves-sum
1484-linked-list-in-binary-tree

Hash Table


0141-linked-list-cycle
0142-linked-list-cycle-ii
0169-majority-element
0202-happy-number
0816-design-hashset
1256-rank-transform-of-an-array
1620-check-if-array-pairs-are-divisible-by-k
1786-count-the-number-of-consistent-strings
2427-first-letter-to-appear-twice
2476-check-distances-between-same-letters
2581-divide-players-into-teams-of-equal-skill
3324-split-the-array
3501-delete-nodes-from-linked-list-present-in-array

Two Pointers


0061-rotate-list
0075-sort-colors
0086-partition-list
0141-linked-list-cycle
0142-linked-list-cycle-ii
0148-sort-list
0151-reverse-words-in-a-string
0189-rotate-array
0202-happy-number
0344-reverse-string
2581-divide-players-into-teams-of-equal-skill
3165-find-indices-with-index-and-value-difference-i
3195-separate-black-and-white-balls

String


0071-simplify-path
0151-reverse-words-in-a-string
0344-reverse-string
0520-detect-capital
0957-minimum-add-to-make-parentheses-valid
1197-parsing-a-boolean-expression
1786-count-the-number-of-consistent-strings
2427-first-letter-to-appear-twice
2476-check-distances-between-same-letters
2580-circular-sentence
2800-minimum-string-length-after-removing-substrings
3195-separate-black-and-white-balls
3553-check-if-two-chessboard-squares-have-the-same-color
3567-convert-date-to-binary

Number Theory


0204-count-primes
2903-insert-greatest-common-divisors-in-linked-list

Dynamic Programming


0045-jump-game-ii
0064-minimum-path-sum
0120-triangle

Greedy


0045-jump-game-ii
0957-minimum-add-to-make-parentheses-valid
3195-separate-black-and-white-balls

Bit Manipulation


0029-divide-two-integers
0078-subsets
0136-single-number
1435-xor-queries-of-a-subarray
1441-minimum-flips-to-make-a-or-b-equal-to-c
1786-count-the-number-of-consistent-strings
1800-concatenation-of-consecutive-binary-numbers
2323-minimum-bit-flips-to-convert-number
2427-first-letter-to-appear-twice
2503-longest-subarray-with-maximum-bitwise-and

Reservoir Sampling


0382-linked-list-random-node

Randomized


0382-linked-list-random-node

Matrix


0054-spiral-matrix
0059-spiral-matrix-ii
0064-minimum-path-sum
0074-search-a-2d-matrix
0240-search-a-2d-matrix-ii
2728-sum-in-a-matrix

Counting


0169-majority-element
1620-check-if-array-pairs-are-divisible-by-k
1786-count-the-number-of-consistent-strings
2427-first-letter-to-appear-twice
3324-split-the-array

Brainteaser


2503-longest-subarray-with-maximum-bitwise-and

Sorting


0075-sort-colors
0148-sort-list
0169-majority-element
1256-rank-transform-of-an-array
2581-divide-players-into-teams-of-equal-skill
2728-sum-in-a-matrix

Backtracking


0078-subsets
0113-path-sum-ii

Divide and Conquer


0108-convert-sorted-array-to-binary-search-tree
0109-convert-sorted-list-to-binary-search-tree
0148-sort-list
0169-majority-element
0240-search-a-2d-matrix-ii

Design


0816-design-hashset
0838-design-linked-list
0859-design-circular-deque
1497-design-a-stack-with-increment-operation

Queue


0859-design-circular-deque

Hash Function


0816-design-hashset

Merge Sort


0148-sort-list

Enumeration


0204-count-primes

Recursion


1197-parsing-a-boolean-expression

Binary Search Tree


0108-convert-sorted-array-to-binary-search-tree
0109-convert-sorted-list-to-binary-search-tree

Name		Name	Last commit message	Last commit date
Latest commit History 626 Commits
0001-two-sum		0001-two-sum
0002-add-two-numbers		0002-add-two-numbers
0003-longest-substring-without-repeating-characters		0003-longest-substring-without-repeating-characters
0005-longest-palindromic-substring		0005-longest-palindromic-substring
0006-zigzag-conversion		0006-zigzag-conversion
0007-reverse-integer		0007-reverse-integer
0008-string-to-integer-atoi		0008-string-to-integer-atoi
0009-palindrome-number		0009-palindrome-number
0011-container-with-most-water		0011-container-with-most-water
0013-roman-to-integer		0013-roman-to-integer
0014-longest-common-prefix		0014-longest-common-prefix
0017-letter-combinations-of-a-phone-number		0017-letter-combinations-of-a-phone-number
0019-remove-nth-node-from-end-of-list		0019-remove-nth-node-from-end-of-list
0020-valid-parentheses		0020-valid-parentheses
0021-merge-two-sorted-lists		0021-merge-two-sorted-lists
0023-merge-k-sorted-lists		0023-merge-k-sorted-lists
0024-swap-nodes-in-pairs		0024-swap-nodes-in-pairs
0025-reverse-nodes-in-k-group		0025-reverse-nodes-in-k-group
0026-remove-duplicates-from-sorted-array		0026-remove-duplicates-from-sorted-array
0027-remove-element		0027-remove-element
0028-find-the-index-of-the-first-occurrence-in-a-string		0028-find-the-index-of-the-first-occurrence-in-a-string
0029-divide-two-integers		0029-divide-two-integers
0033-search-in-rotated-sorted-array		0033-search-in-rotated-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array		0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position		0035-search-insert-position
0038-count-and-say		0038-count-and-say
0043-multiply-strings		0043-multiply-strings
0045-jump-game-ii		0045-jump-game-ii
0050-powx-n		0050-powx-n
0053-maximum-subarray		0053-maximum-subarray
0054-spiral-matrix		0054-spiral-matrix
0056-merge-intervals		0056-merge-intervals
0058-length-of-last-word		0058-length-of-last-word
0059-spiral-matrix-ii		0059-spiral-matrix-ii
0061-rotate-list		0061-rotate-list
0064-minimum-path-sum		0064-minimum-path-sum
0069-sqrtx		0069-sqrtx
0071-simplify-path		0071-simplify-path
0074-search-a-2d-matrix		0074-search-a-2d-matrix
0075-sort-colors		0075-sort-colors
0078-subsets		0078-subsets
0079-word-search		0079-word-search
0080-remove-duplicates-from-sorted-array-ii		0080-remove-duplicates-from-sorted-array-ii
0083-remove-duplicates-from-sorted-list		0083-remove-duplicates-from-sorted-list
0086-partition-list		0086-partition-list
0098-validate-binary-search-tree		0098-validate-binary-search-tree
0100-same-tree		0100-same-tree
0101-symmetric-tree		0101-symmetric-tree
0102-binary-tree-level-order-traversal		0102-binary-tree-level-order-traversal
0104-maximum-depth-of-binary-tree		0104-maximum-depth-of-binary-tree
0108-convert-sorted-array-to-binary-search-tree		0108-convert-sorted-array-to-binary-search-tree
0109-convert-sorted-list-to-binary-search-tree		0109-convert-sorted-list-to-binary-search-tree
0110-balanced-binary-tree		0110-balanced-binary-tree
0111-minimum-depth-of-binary-tree		0111-minimum-depth-of-binary-tree
0113-path-sum-ii		0113-path-sum-ii
0116-populating-next-right-pointers-in-each-node		0116-populating-next-right-pointers-in-each-node
0120-triangle		0120-triangle
0125-valid-palindrome		0125-valid-palindrome
0129-sum-root-to-leaf-numbers		0129-sum-root-to-leaf-numbers
0136-single-number		0136-single-number
0141-linked-list-cycle		0141-linked-list-cycle
0142-linked-list-cycle-ii		0142-linked-list-cycle-ii
0145-binary-tree-postorder-traversal		0145-binary-tree-postorder-traversal
0148-sort-list		0148-sort-list
0151-reverse-words-in-a-string		0151-reverse-words-in-a-string
0153-find-minimum-in-rotated-sorted-array		0153-find-minimum-in-rotated-sorted-array
0169-majority-element		0169-majority-element
0189-rotate-array		0189-rotate-array
0202-happy-number		0202-happy-number
0204-count-primes		0204-count-primes
0206-reverse-linked-list		0206-reverse-linked-list
0217-contains-duplicate		0217-contains-duplicate
0240-search-a-2d-matrix-ii		0240-search-a-2d-matrix-ii
0344-reverse-string		0344-reverse-string
0382-linked-list-random-node		0382-linked-list-random-node
0388-longest-absolute-file-path		0388-longest-absolute-file-path
0451-sort-characters-by-frequency		0451-sort-characters-by-frequency
0476-number-complement		0476-number-complement
0520-detect-capital		0520-detect-capital
0592-fraction-addition-and-subtraction		0592-fraction-addition-and-subtraction
0725-split-linked-list-in-parts		0725-split-linked-list-in-parts
0816-design-hashset		0816-design-hashset
0838-design-linked-list		0838-design-linked-list
0859-design-circular-deque		0859-design-circular-deque
0860-lemonade-change		0860-lemonade-change
0912-sort-an-array		0912-sort-an-array
0957-minimum-add-to-make-parentheses-valid		0957-minimum-add-to-make-parentheses-valid
1023-camelcase-matching		1023-camelcase-matching
1027-sum-of-even-numbers-after-queries		1027-sum-of-even-numbers-after-queries
1029-two-city-scheduling		1029-two-city-scheduling
1146-snapshot-array		1146-snapshot-array
1197-parsing-a-boolean-expression		1197-parsing-a-boolean-expression
1232-check-if-it-is-a-straight-line		1232-check-if-it-is-a-straight-line
1254-deepest-leaves-sum		1254-deepest-leaves-sum
1256-rank-transform-of-an-array		1256-rank-transform-of-an-array
1325-path-with-maximum-probability		1325-path-with-maximum-probability
1334-find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance		1334-find-the-city-with-the-smallest-number-of-neighbors-at-a-threshold-distance
1337-the-k-weakest-rows-in-a-matrix		1337-the-k-weakest-rows-in-a-matrix
1338-reduce-array-size-to-the-half		1338-reduce-array-size-to-the-half
1435-xor-queries-of-a-subarray		1435-xor-queries-of-a-subarray

tomas-sucena/leetcode

Folders and files

Latest commit

History

Repository files navigation