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LeetCode Journey

This repository documents my daily DSA practice, LeetCode contests, and solutions to popular problems. Currently solving in Java, with plans to expand to other languages in the future.

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Daily LeetCode Problems 📅
Contests & Competitive Programming 🏆
Top Interview Questions & Patterns 📖
Optimized & Well-Explained Solutions 💡

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✅ Solving problems consistently & improving problem-solving skills!

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Name		Name	Last commit message	Last commit date
Latest commit History 450 Commits
1-two-sum		1-two-sum
102-binary-tree-level-order-traversal		102-binary-tree-level-order-traversal
104-maximum-depth-of-binary-tree		104-maximum-depth-of-binary-tree
1049-minimum-domino-rotations-for-equal-row		1049-minimum-domino-rotations-for-equal-row
105-construct-binary-tree-from-preorder-and-inorder-traversal		105-construct-binary-tree-from-preorder-and-inorder-traversal
11-container-with-most-water		11-container-with-most-water
1153-product-sales-analysis-i		1153-product-sales-analysis-i
121-best-time-to-buy-and-sell-stock		121-best-time-to-buy-and-sell-stock
1218-lowest-common-ancestor-of-deepest-leaves		1218-lowest-common-ancestor-of-deepest-leaves
125-valid-palindrome		125-valid-palindrome
1258-article-views-i		1258-article-views-i
128-longest-consecutive-sequence		128-longest-consecutive-sequence
13-roman-to-integer		13-roman-to-integer
1335-maximum-candies-allocated-to-k-children		1335-maximum-candies-allocated-to-k-children
1395-minimum-time-visiting-all-points		1395-minimum-time-visiting-all-points
1421-find-numbers-with-even-number-of-digits		1421-find-numbers-with-even-number-of-digits
144-binary-tree-preorder-traversal		144-binary-tree-preorder-traversal
1460-number-of-substrings-containing-all-three-characters		1460-number-of-substrings-containing-all-three-characters
1483-rank-teams-by-votes		1483-rank-teams-by-votes
15-3sum		15-3sum
150-evaluate-reverse-polish-notation		150-evaluate-reverse-polish-notation
1500-count-largest-group		1500-count-largest-group
1509-replace-employee-id-with-the-unique-identifier		1509-replace-employee-id-with-the-unique-identifier
151-reverse-words-in-a-string		151-reverse-words-in-a-string
152-maximum-product-subarray		152-maximum-product-subarray
153-find-minimum-in-rotated-sorted-array		153-find-minimum-in-rotated-sorted-array
1537-maximum-score-after-splitting-a-string		1537-maximum-score-after-splitting-a-string
1635-number-of-good-pairs		1635-number-of-good-pairs
1656-count-good-triplets		1656-count-good-triplets
167-two-sum-ii-input-array-is-sorted		167-two-sum-ii-input-array-is-sorted
1827-invalid-tweets		1827-invalid-tweets
1889-check-if-number-is-a-sum-of-powers-of-three		1889-check-if-number-is-a-sum-of-powers-of-three
1894-merge-strings-alternately		1894-merge-strings-alternately
1908-recyclable-and-low-fat-products		1908-recyclable-and-low-fat-products
198-house-robber		198-house-robber
199-binary-tree-right-side-view		199-binary-tree-right-side-view
1993-sum-of-all-subset-xor-totals		1993-sum-of-all-subset-xor-totals
20-valid-parentheses		20-valid-parentheses
2048-build-array-from-permutation		2048-build-array-from-permutation
2050-count-good-numbers		2050-count-good-numbers
2058-concatenation-of-array		2058-concatenation-of-array
2059-unique-length-3-palindromic-subsequences		2059-unique-length-3-palindromic-subsequences
2090-number-of-ways-to-arrive-at-destination		2090-number-of-ways-to-arrive-at-destination
2116-count-number-of-pairs-with-absolute-difference-k		2116-count-number-of-pairs-with-absolute-difference-k
213-house-robber-ii		213-house-robber-ii
2160-minimum-operations-to-make-a-uni-value-grid		2160-minimum-operations-to-make-a-uni-value-grid
217-contains-duplicate		217-contains-duplicate
2180-maximum-number-of-tasks-you-can-assign		2180-maximum-number-of-tasks-you-can-assign
22-generate-parentheses		22-generate-parentheses
2215-finding-3-digit-even-numbers		2215-finding-3-digit-even-numbers
2220-find-all-possible-recipes-from-given-supplies		2220-find-all-possible-recipes-from-given-supplies
2249-count-the-hidden-sequences		2249-count-the-hidden-sequences
226-invert-binary-tree		226-invert-binary-tree
2262-solving-questions-with-brainpower		2262-solving-questions-with-brainpower
2277-count-equal-and-divisible-pairs-in-an-array		2277-count-equal-and-divisible-pairs-in-an-array
2280-count-good-triplets-in-an-array		2280-count-good-triplets-in-an-array
230-kth-smallest-element-in-a-bst		230-kth-smallest-element-in-a-bst
2308-divide-array-into-equal-pairs		2308-divide-array-into-equal-pairs
2358-number-of-ways-to-split-array		2358-number-of-ways-to-split-array
236-lowest-common-ancestor-of-a-binary-tree		236-lowest-common-ancestor-of-a-binary-tree
238-product-of-array-except-self		238-product-of-array-except-self
2383-add-two-integers		2383-add-two-integers
2394-count-subarrays-with-score-less-than-k		2394-count-subarrays-with-score-less-than-k
2415-count-the-number-of-ideal-arrays		2415-count-the-number-of-ideal-arrays
242-valid-anagram		242-valid-anagram
2463-minimum-recolors-to-get-k-consecutive-black-blocks		2463-minimum-recolors-to-get-k-consecutive-black-blocks
2478-longest-nice-subarray		2478-longest-nice-subarray
2527-count-subarrays-with-fixed-bounds		2527-count-subarrays-with-fixed-bounds
2588-maximum-number-of-points-from-grid-queries		2588-maximum-number-of-points-from-grid-queries
2614-maximum-count-of-positive-integer-and-negative-integer		2614-maximum-count-of-positive-integer-and-negative-integer
2626-count-the-number-of-good-subarrays		2626-count-the-number-of-good-subarrays
2649-count-total-number-of-colored-cells		2649-count-total-number-of-colored-cells
268-missing-number		268-missing-number
2681-put-marbles-in-bags		2681-put-marbles-in-bags
2690-house-robber-iv		2690-house-robber-iv
2691-count-vowel-strings-in-ranges		2691-count-vowel-strings-in-ranges
2699-count-the-number-of-fair-pairs		2699-count-the-number-of-fair-pairs
27-remove-element		27-remove-element
2793-count-the-number-of-complete-components		2793-count-the-number-of-complete-components
2809-create-hello-world-function		2809-create-hello-world-function
2856-count-complete-subarrays-in-an-array		2856-count-complete-subarrays-in-an-array
2888-minimum-index-of-a-valid-split		2888-minimum-index-of-a-valid-split
2998-count-symmetric-integers		2998-count-symmetric-integers
3-longest-substring-without-repeating-characters		3-longest-substring-without-repeating-characters
3001-apply-operations-to-maximize-score		3001-apply-operations-to-maximize-score
3152-maximum-value-of-an-ordered-triplet-ii		3152-maximum-value-of-an-ordered-triplet-ii
3154-maximum-value-of-an-ordered-triplet-i		3154-maximum-value-of-an-ordered-triplet-i
3213-count-subarrays-where-max-element-appears-at-least-k-times		3213-count-subarrays-where-max-element-appears-at-least-k-times
3227-find-missing-and-repeated-values		3227-find-missing-and-repeated-values
3243-count-the-number-of-powerful-integers		3243-count-the-number-of-powerful-integers
33-search-in-rotated-sorted-array		33-search-in-rotated-sorted-array
3348-minimum-cost-walk-in-weighted-graph		3348-minimum-cost-walk-in-weighted-graph
3379-score-of-a-string		3379-score-of-a-string
3430-count-days-without-meetings		3430-count-days-without-meetings
347-top-k-frequent-elements		347-top-k-frequent-elements
3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i		3475-minimum-operations-to-make-binary-array-elements-equal-to-one-i
3483-alternating-groups-ii		3483-alternating-groups-ii
3548-find-the-count-of-good-integers		3548-find-the-count-of-good-integers
3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii		3569-count-of-substrings-containing-every-vowel-and-k-consonants-ii
36-valid-sudoku		36-valid-sudoku

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