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838 Commits
0027-remove-element
0027-remove-element
 
 
0036-valid-sudoku
0036-valid-sudoku
 
 
0047-permutations-ii
0047-permutations-ii
 
 
0057-insert-interval
0057-insert-interval
 
 
0080-remove-duplicates-from-sorted-array-ii
0080-remove-duplicates-from-sorted-array-ii
 
 
0122-best-time-to-buy-and-sell-stock-ii
0122-best-time-to-buy-and-sell-stock-ii
 
 
0131-palindrome-partitioning
0131-palindrome-partitioning
 
 
0175-combine-two-tables
0175-combine-two-tables
 
 
0178-rank-scores
0178-rank-scores
 
 
0209-minimum-size-subarray-sum
0209-minimum-size-subarray-sum
 
 
0241-different-ways-to-add-parentheses
0241-different-ways-to-add-parentheses
 
 
0344-reverse-string
0344-reverse-string
 
 
0452-minimum-number-of-arrows-to-burst-balloons
0452-minimum-number-of-arrows-to-burst-balloons
 
 
0525-contiguous-array
0525-contiguous-array
 
 
0539-minimum-time-difference
0539-minimum-time-difference
 
 
0621-task-scheduler
0621-task-scheduler
 
 
0815-bus-routes
0815-bus-routes
 
 
0920-uncommon-words-from-two-sentences
0920-uncommon-words-from-two-sentences
 
 
1-two-sum
1-two-sum
 
 
10-regular-expression-matching
10-regular-expression-matching
 
 
100-same-tree
100-same-tree
 
 
1008-construct-binary-search-tree-from-preorder-traversal
1008-construct-binary-search-tree-from-preorder-traversal
 
 
102-binary-tree-level-order-traversal
102-binary-tree-level-order-traversal
 
 
104-maximum-depth-of-binary-tree
104-maximum-depth-of-binary-tree
 
 
105-construct-binary-tree-from-preorder-and-inorder-traversal
105-construct-binary-tree-from-preorder-and-inorder-traversal
 
 
106-construct-binary-tree-from-inorder-and-postorder-traversal
106-construct-binary-tree-from-inorder-and-postorder-traversal
 
 
1074-number-of-submatrices-that-sum-to-target
1074-number-of-submatrices-that-sum-to-target
 
 
11-container-with-most-water
11-container-with-most-water
 
 
112-path-sum
112-path-sum
 
 
114-flatten-binary-tree-to-linked-list
114-flatten-binary-tree-to-linked-list
 
 
1143-longest-common-subsequence
1143-longest-common-subsequence
 
 
118-pascals-triangle
118-pascals-triangle
 
 
12-integer-to-roman
12-integer-to-roman
 
 
120-triangle
120-triangle
 
 
121-best-time-to-buy-and-sell-stock
121-best-time-to-buy-and-sell-stock
 
 
124-binary-tree-maximum-path-sum
124-binary-tree-maximum-path-sum
 
 
125-valid-palindrome
125-valid-palindrome
 
 
1256-rank-transform-of-an-array
1256-rank-transform-of-an-array
 
 
128-longest-consecutive-sequence
128-longest-consecutive-sequence
 
 
13-roman-to-integer
13-roman-to-integer
 
 
133-clone-graph
133-clone-graph
 
 
135-candy
135-candy
 
 
139-word-break
139-word-break
 
 
140-word-break-ii
140-word-break-ii
 
 
141-linked-list-cycle
141-linked-list-cycle
 
 
143-reorder-list
143-reorder-list
 
 
1435-xor-queries-of-a-subarray
1435-xor-queries-of-a-subarray
 
 
1465-maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts
1465-maximum-area-of-a-piece-of-cake-after-horizontal-and-vertical-cuts
 
 
1473-find-the-longest-substring-containing-vowels-in-even-counts
1473-find-the-longest-substring-containing-vowels-in-even-counts
 
 
1473-paint-house-iii
1473-paint-house-iii
 
 
15-3sum
15-3sum
 
 
1514-path-with-maximum-probability
1514-path-with-maximum-probability
 
 
152-maximum-product-subarray
152-maximum-product-subarray
 
 
153-find-minimum-in-rotated-sorted-array
153-find-minimum-in-rotated-sorted-array
 
 
16-3sum-closest
16-3sum-closest
 
 
1647-minimum-deletions-to-make-character-frequencies-unique
1647-minimum-deletions-to-make-character-frequencies-unique
 
 
167-two-sum-ii-input-array-is-sorted
167-two-sum-ii-input-array-is-sorted
 
 
1689-partitioning-into-minimum-number-of-deci-binary-numbers
1689-partitioning-into-minimum-number-of-deci-binary-numbers
 
 
1696-jump-game-vi
1696-jump-game-vi
 
 
17-letter-combinations-of-a-phone-number
17-letter-combinations-of-a-phone-number
 
 
1704-determine-if-string-halves-are-alike
1704-determine-if-string-halves-are-alike
 
 
1710-maximum-units-on-a-truck
1710-maximum-units-on-a-truck
 
 
1786-count-the-number-of-consistent-strings
1786-count-the-number-of-consistent-strings
 
 
18-4sum
18-4sum
 
 
1832-check-if-the-sentence-is-pangram
1832-check-if-the-sentence-is-pangram
 
 
1866-restore-the-array-from-adjacent-pairs
1866-restore-the-array-from-adjacent-pairs
 
 
19-remove-nth-node-from-end-of-list
19-remove-nth-node-from-end-of-list
 
 
190-reverse-bits
190-reverse-bits
 
 
191-number-of-1-bits
191-number-of-1-bits
 
 
1971-incremental-memory-leak
1971-incremental-memory-leak
 
 
198-house-robber
198-house-robber
 
 
1983-maximum-population-year
1983-maximum-population-year
 
 
199-binary-tree-right-side-view
199-binary-tree-right-side-view
 
 
2-add-two-numbers
2-add-two-numbers
 
 
20-valid-parentheses
20-valid-parentheses
 
 
200-number-of-islands
200-number-of-islands
 
 
206-reverse-linked-list
206-reverse-linked-list
 
 
207-course-schedule
207-course-schedule
 
 
208-implement-trie-prefix-tree
208-implement-trie-prefix-tree
 
 
21-merge-two-sorted-lists
21-merge-two-sorted-lists
 
 
211-design-add-and-search-words-data-structure
211-design-add-and-search-words-data-structure
 
 
212-word-search-ii
212-word-search-ii
 
 
213-house-robber-ii
213-house-robber-ii
 
 
217-contains-duplicate
217-contains-duplicate
 
 
22-generate-parentheses
22-generate-parentheses
 
 
2218-maximum-value-of-k-coins-from-piles
2218-maximum-value-of-k-coins-from-piles
 
 
2222-number-of-ways-to-select-buildings
2222-number-of-ways-to-select-buildings
 
 
226-invert-binary-tree
226-invert-binary-tree
 
 
23-merge-k-sorted-lists
23-merge-k-sorted-lists
 
 
230-kth-smallest-element-in-a-bst
230-kth-smallest-element-in-a-bst
 
 
235-lowest-common-ancestor-of-a-binary-search-tree
235-lowest-common-ancestor-of-a-binary-search-tree
 
 
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
 
 
24-swap-nodes-in-pairs
24-swap-nodes-in-pairs
 
 
242-valid-anagram
242-valid-anagram
 
 
2465-shifting-letters-ii
2465-shifting-letters-ii
 
 
2503-longest-subarray-with-maximum-bitwise-and
2503-longest-subarray-with-maximum-bitwise-and
 
 
268-missing-number
268-missing-number
 
 
28-find-the-index-of-the-first-occurrence-in-a-string
28-find-the-index-of-the-first-occurrence-in-a-string
 
 
295-find-median-from-data-stream
295-find-median-from-data-stream
 
 

Repository files navigation

LeetCode questions

Collection of LeetCode questions that I have solved

LeetCode user TareqRafed

LeetCode Topics

Math
0241-different-ways-to-add-parentheses
0539-minimum-time-difference
1971-incremental-memory-leak

Simulation
1971-incremental-memory-leak

Array
0080-remove-duplicates-from-sorted-array-ii
0122-best-time-to-buy-and-sell-stock-ii
0209-minimum-size-subarray-sum
0539-minimum-time-difference
1256-rank-transform-of-an-array
1435-xor-queries-of-a-subarray
1786-count-the-number-of-consistent-strings
1983-maximum-population-year
2465-shifting-letters-ii
2503-longest-subarray-with-maximum-bitwise-and

Hash Table
0920-uncommon-words-from-two-sentences
1256-rank-transform-of-an-array
1473-find-the-longest-substring-containing-vowels-in-even-counts
1786-count-the-number-of-consistent-strings

String
0131-palindrome-partitioning
0241-different-ways-to-add-parentheses
0344-reverse-string
0539-minimum-time-difference
0920-uncommon-words-from-two-sentences
1473-find-the-longest-substring-containing-vowels-in-even-counts
1786-count-the-number-of-consistent-strings
2465-shifting-letters-ii

Bit Manipulation
1435-xor-queries-of-a-subarray
1473-find-the-longest-substring-containing-vowels-in-even-counts
1786-count-the-number-of-consistent-strings
2503-longest-subarray-with-maximum-bitwise-and

Counting
0920-uncommon-words-from-two-sentences
1786-count-the-number-of-consistent-strings
1983-maximum-population-year

Database
0175-combine-two-tables
0178-rank-scores

Prefix Sum
0209-minimum-size-subarray-sum
1435-xor-queries-of-a-subarray
1473-find-the-longest-substring-containing-vowels-in-even-counts
1983-maximum-population-year
2465-shifting-letters-ii

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

Dynamic Programming
0122-best-time-to-buy-and-sell-stock-ii
0131-palindrome-partitioning
0241-different-ways-to-add-parentheses

Greedy
0122-best-time-to-buy-and-sell-stock-ii

Backtracking
0131-palindrome-partitioning

Sorting
0539-minimum-time-difference
1256-rank-transform-of-an-array

Two Pointers
0080-remove-duplicates-from-sorted-array-ii
0344-reverse-string

Recursion
0241-different-ways-to-add-parentheses

Memoization
0241-different-ways-to-add-parentheses

Binary Search
0209-minimum-size-subarray-sum

Sliding Window
0209-minimum-size-subarray-sum

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Nothing important, just a tracker for my leetcode progress

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