LeetCode

LeetCode solutions gives some thoughts on selected problems.

Solved 783/1883 problems.

Database

See database.md

Algorithms

#	Title	Solution
2081	Sum of k-Mirror Numbers	sum-of-k-mirror-numbers.cc
2078	Two Furthest Houses With Different Colors	two-furthest-houses-with-different-colors.cc
2065	Maximum Path Quality of a Graph	maximum-path-quality-of-a-graph.cc
2064	Minimized Maximum of Products Distributed to Any Store	minimized-maximum-of-products-distributed-to-any-store.cc
2063	Vowels of All Substrings	vowels-of-all-substrings.cc
2062	Count Vowel Substrings of a String	count-vowel-substrings-of-a-string.cc
2060	Check if an Original String Exists Given Two Encoded Strings	check-if-an-original-string-exists-given-two-encoded-strings.cc
2059	Minimum Operations to Convert Number	minimum-operations-to-convert-number.cc
2057	Smallest Index With Equal Value	smallest-index-with-equal-value.nim
2050	Parallel Courses III	parallel-courses-iii.nim
2049	Count Nodes With the Highest Score	count-nodes-with-the-highest-score.nim
2048	Next Greater Numerically Balanced Number	next-greater-numerically-balanced-number.cc
2047	Number of Valid Words in a Sentence	number-of-valid-words-in-a-sentence.cc
2045	Second Minimum Time to Reach Destination	second-minimum-time-to-reach-destination.nim
2044	Count Number of Maximum Bitwise-OR Subsets	count-number-of-maximum-bitwise-or-subsets.nim
2043	Simple Bank System	simple-bank-system.cc
2042	Check if Numbers Are Ascending in a Sentence	check-if-numbers-are-ascending-in-a-sentence.cc
2055	Plates Between Candles	plates-between-candles.nim
2054	Two Best Non-Overlapping Events	two-best-non-overlapping-events.nim
2035	Partition Array Into Two Arrays to Minimize Sum Difference	partition-array-into-two-arrays-to-minimize-sum-difference.nim
2033	Minimum Operations to Make a Uni-Value Grid	minimum-operations-to-make-a-uni-value-grid.nim
2032	Two Out of Three	two-out-of-three.cc
2030	Smallest K-Length Subsequence With Occurrences of a Letter	smallest-k-length-subsequence-with-occurrences-of-a-letter.nim
2029	Stone Game IX	stone-game-ix.nim
2028	Find Missing Observations	find-missing-observations.cc
2027	Minimum Moves to Convert String	minimum-moves-to-convert-string.cc
2040	Kth Smallest Product of Two Sorted Arrays	kth-smallest-product-of-two-sorted-arrays.nim
2019	The Score of Students Solving Math Expression	the-score-of-students-solving-math-expression.nim
2018	Check if Word Can Be Placed In Crossword	check-if-word-can-be-placed-in-crossword.cc
2017	Grid Game	grid-game.cc
2016	Maximum Difference Between Increasing Elements	maximum-difference-between-increasing-elements.cc
2014	Longest Subsequence Repeated k Times	longest-subsequence-repeated-k-times.cc
2013	Detect Squares	detect-squares.nim
2012	Sum of Beauty in the Array	sum-of-beauty-in-the-array.cc
2011	Final Value of Variable After Performing Operations	final-value-of-variable-after-performing-operations.cc
2025	Maximum Number of Ways to Partition an Array	maximum-number-of-ways-to-partition-an-array.nim
2024	Maximize the Confusion of an Exam	maximize-the-confusion-of-an-exam.nim
2003	Smallest Missing Genetic Value in Each Subtree	smallest-missing-genetic-value-in-each-subtree.cc
2002	Maximum Product of the Length of Two Palindromic Subsequences	maximum-product-of-the-length-of-two-palindromic-subsequences.rs
2001	Number of Pairs of Interchangeable Rectangles	number-of-pairs-of-interchangeable-rectangles.cc
1998	GCD Sort of an Array	gcd-sort-of-an-array.rs
1997	First Day Where You Have Been in All the Rooms	first-day-where-you-have-been-in-all-the-rooms.rs
1996	The Number of Weak Characters in the Game	the-number-of-weak-characters-in-the-game.rs
1995	Count Special Quadruplets	count-special-quadruplets.cc
2009	Minimum Number of Operations to Make Array Continuous	minimum-number-of-operations-to-make-array-continuous.rs
2008	Maximum Earnings From Taxi	maximum-earnings-from-taxi.nim
1986	Minimum Number of Work Sessions to Finish the Tasks	minimum-number-of-work-sessions-to-finish-the-tasks.rs
1982	Find Array Given Subset Sums	find-array-given-subset-sums.rs
1994	The Number of Good Subsets	the-number-of-good-subsets.rs
1970	Last Day Where You Can Still Cross	last-day-where-you-can-still-cross.rs
1969	Minimum Non-Zero Product of the Array Elements	minimum-non-zero-product-of-the-array-elements.rs
1963	Minimum Number of Swaps to Make the String Balanced	minimum-number-of-swaps-to-make-the-string-balanced.rs
1977	Number of Ways to Separate Numbers	number-of-ways-to-separate-numbers.rs
1976	Number of Ways to Arrive at Destination	number-of-ways-to-arrive-at-destination.rs
1975	Maximum Matrix Sum	maximum-matrix-sum.rs
1955	Count Number of Special Subsequences	count-number-of-special-subsequences.rs
1953	Maximum Number of Weeks for Which You Can Work	maximum-number-of-weeks-for-which-you-can-work.rs
1959	Minimum Total Space Wasted With K Resizing Operations	minimum-total-space-wasted-with-k-resizing-operations.rs
1948	Delete Duplicate Folders in System	delete-duplicate-folders-in-system.cc
1947	Maximum Compatibility Score Sum	maximum-compatibility-score-sum.rs
1938	Maximum Genetic Difference Query	maximum-genetic-difference-query.rs
1937	Maximum Number of Points with Cost	maximum-number-of-points-with-cost.rs
1931	Painting a Grid With Three Different Colors	painting-a-grid-with-three-different-colors.rs
1932	Merge BSTs to Create Single BST	merge-bsts-to-create-single-bst.cc
1943	Describe the Painting	describe-the-painting.rs
1942	The Number of the Smallest Unoccupied Chair	the-number-of-the-smallest-unoccupied-chair.rs
1923	Longest Common Subpath	longest-common-subpath.rs
1915	Number of Wonderful Substrings	number-of-wonderful-substrings.rs
1914	Cyclically Rotating a Grid	cyclically-rotating-a-grid.rs
1928	Minimum Cost to Reach Destination in Time	minimum-cost-to-reach-destination-in-time.rs
1906	Minimum Absolute Difference Queries	minimum-absolute-difference-queries.rs
1900	The Earliest and Latest Rounds Where Players Compete	the-earliest-and-latest-rounds-where-players-compete.rs
1898	Maximum Number of Removable Characters	maximum-number-of-removable-characters.rs
1911	Maximum Alternating Subsequence Sum	maximum-alternating-subsequence-sum.rs
1909	Remove One Element to Make the Array Strictly Increasing	remove-one-element-to-make-the-array-strictly-increasing.rs
1889	Minimum Space Wasted From Packaging	minimum-space-wasted-from-packaging.rs
1888	Minimum Number of Flips to Make the Binary String Alternating	minimum-number-of-flips-to-make-the-binary-string-alternating.rs
1883	Minimum Skips to Arrive at Meeting On Time	minimum-skips-to-arrive-at-meeting-on-time.rs
1882	Process Tasks Using Servers	process-tasks-using-servers.rs
1896	Minimum Cost to Change the Final Value of Expression	minimum-cost-to-change-the-final-value-of-expression.rs
1872	Stone Game VIII	stone-game-viii.rs
1871	Jump Game VII	jump-game-vii.rs
1870	Minimum Speed to Arrive on Time	minimum-speed-to-arrive-on-time.rs
1866	Number of Ways to Rearrange Sticks With K Sticks Visible	number-of-ways-to-rearrange-sticks-with-k-sticks-visible.rs
1878	Get Biggest Three Rhombus Sums in a Grid	get-biggest-three-rhombus-sums-in-a-grid.rs
1857	Largest Color Value in a Directed Graph	largest-color-value-in-a-directed-graph.rs
1856	Maximum Subarray Min-Product	maximum-subarray-min-product.rs
1850	Minimum Adjacent Swaps to Reach the Kth Smallest Number	minimum-adjacent-swaps-to-reach-the-kth-smallest-number.rs
1851	Minimum Interval to Include Each Query	minimum-interval-to-include-each-query.rs
1849	Splitting a String Into Descending Consecutive Values	splitting-a-string-into-descending-consecutive-values.rs
1848	Minimum Distance to the Target Element	minimum-distance-to-the-target-element.rs
1861	Rotating the Box	rotating-the-box.rs
1840	Maximum Building Height	maximum-building-height.rs
1839	Longest Substring Of All Vowels in Order	longest-substring-of-all-vowels-in-order.rs
1838	Frequency of the Most Frequent Element	frequency-of-the-most-frequent-element.rs
1837	Sum of Digits in Base K	sum-of-digits-in-base-k.cc
1835	Find XOR Sum of All Pairs Bitwise AND	find-xor-sum-of-all-pairs-bitwise-and.rs
1834	Single-Threaded CPU	single-threaded-cpu.rs
1833	Maximum Ice Cream Bars	maximum-ice-cream-bars.cc
1832	Check if the Sentence Is Pangram	check-if-the-sentence-is-pangram.cc
1847	Closest Room	closest-room.rs
1846	Maximum Element After Decreasing and Rearranging	maximum-element-after-decreasing-and-rearranging.rs
1825	Finding MK Average	finding-mk-average.cc
1824	Minimum Sideway Jumps	minimum-sideway-jumps.cc
1819	Number of Different Subsequences GCDs	number-of-different-subsequences-gcds.cc
1818	Minimum Absolute Sum Difference	minimum-absolute-sum-difference.cc
1817	Finding the Users Active Minutes	finding-the-users-active-minutes.cc
1816	Truncate Sentence	truncate-sentence.cc
1830	Minimum Number of Operations to Make String Sorted	minimum-number-of-operations-to-make-string-sorted.rs
1802	Maximum Value at a Given Index in a Bounded Array	maximum-value-at-a-given-index-in-a-bounded-array.nim
1801	Number of Orders in the Backlog	number-of-orders-in-the-backlog.rs
1771	Maximize Palindrome Length From Subsequences	maximize-palindrome-length-from-subsequences.cc
1770	Maximum Score from Performing Multiplication Operations	maximum-score-from-performing-multiplication-operations.cc
1769	Minimum Number of Operations to Move All Balls to Each Box	minimum-number-of-operations-to-move-all-balls-to-each-box.cc
1768	Merge Strings Alternately	merge-strings-alternately.cc
1755	Closest Subsequence Sum	closest-subsequence-sum.nim
1765	Map of Highest Peak	map-of-highest-peak.cc
1766	Tree of Coprimes	tree-of-coprimes.cc
1764	Form Array by Concatenating Subarrays of Another Array	form-array-by-concatenating-subarrays-of-another-array.cc
1737	Change Minimum Characters to Satisfy One of Three Conditions	change-minimum-characters-to-satisfy-one-of-three-conditions.rs
1751	Maximum Number of Events That Can Be Attended II	maximum-number-of-events-that-can-be-attended-ii.nim
1698	Number of Distinct Substrings in a String	number-of-distinct-substrings-in-a-string.rs
1713	Minimum Operations to Make a Subsequence	minimum-operations-to-make-a-subsequence.rs
1707	Maximum XOR With an Element From Array	maximum-xor-with-an-element-from-array.rs
1697	Checking Existence of Edge Length Limited Paths	checking-existence-of-edge-length-limited-paths.rs
1694	Reformat Phone Number	reformat-phone-number.cc
1703	Minimum Adjacent Swaps for K Consecutive Ones	minimum-adjacent-swaps-for-k-consecutive-ones.nim
1674	Minimum Moves to Make Array Complementary	minimum-moves-to-make-array-complementary.rs
1673	Find the Most Competitive Subsequence	find-the-most-competitive-subsequence.nim
1655	Distribute Repeating Integers	distribute-repeating-integers.rs
1601	Maximum Number of Achievable Transfer Requests	maximum-number-of-achievable-transfer-requests.cc
1591	Strange Printer II	strange-printer-ii.rs
1589	Maximum Sum Obtained of Any Permutation	maximum-sum-obtained-of-any-permutation.rs
1542	Find Longest Awesome Substring	find-longest-awesome-substring.rs
1541	Minimum Insertions to Balance a Parentheses String	minimum-insertions-to-balance-a-parentheses-string.rs
1499	Max Value of Equation	max-value-of-equation.cc
1494	Parallel Courses II	parallel-courses-ii.rs
1452	People Whose List of Favorite Companies Is Not a Subset of Another List	people-whose-list-of-favorite-companies-is-not-a-subset-of-another-list.rs
1462	Course Schedule IV	course-schedule-iv.rs
1439	Find the Kth Smallest Sum of a Matrix With Sorted Rows	find-the-kth-smallest-sum-of-a-matrix-with-sorted-rows.rs
1383	Maximum Performance of a Team	maximum-performance-of-a-team.rs
1353	Maximum Number of Events That Can Be Attended	maximum-number-of-events-that-can-be-attended.rs
1371	Find the Longest Substring Containing Vowels in Even Counts	find-the-longest-substring-containing-vowels-in-even-counts.rs
1284	Minimum Number of Flips to Convert Binary Matrix to Zero Matrix	minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix.rs
1263	Minimum Moves to Move a Box to Their Target Location	minimum-moves-to-move-a-box-to-their-target-location.cc
1262	Greatest Sum Divisible by Three	greatest-sum-divisible-by-three.cc
1261	Find Elements in a Contaminated Binary Tree	find-elements-in-a-contaminated-binary-tree.cc
1260	Shift 2D Grid	shift-2d-grid.cc
1255	Maximum Score Words Formed by Letters	maximum-score-words-formed-by-letters.cc
1254	Number of Closed Islands	number-of-closed-islands.cc
1253	Reconstruct a 2-Row Binary Matrix	reconstruct-a-2-row-binary-matrix.cc
1252	Cells with Odd Values in a Matrix	cells-with-odd-values-in-a-matrix.cc
1235	Maximum Profit in Job Scheduling	maximum-profit-in-job-scheduling.rs
1960	Maximum Product of the Length of Two Palindromic Substrings	maximum-product-of-the-length-of-two-palindromic-substrings.rs
1862	Sum of Floored Pairs	sum-of-floored-pairs.rs
1916	Count Ways to Build Rooms in an Ant Colony	count-ways-to-build-rooms-in-an-ant-colony.rs
2079	Watering Plants	watering-plants.cc
1944	Number of Visible People in a Queue	number-of-visible-people-in-a-queue.rs
1405	Longest Happy String	longest-happy-string.rs
2080	Range Frequency Queries	range-frequency-queries.cc
1627	Graph Connectivity With Threshold	graph-connectivity-with-threshold.rs
1109	Corporate Flight Bookings	corporate-flight-bookings.rs
1105	Filling Bookcase Shelves	filling-bookcase-shelves.rs
1094	Car Pooling	car-pooling.rs
1081	Smallest Subsequence of Distinct Characters	smallest-subsequence-of-distinct-characters.nim
1054	Distant Barcodes	distant-barcodes.rs
1044	Longest Duplicate Substring	longest-duplicate-substring.rs
1043	Partition Array for Maximum Sum	partition-array-for-maximum-sum.rs
1042	Flower Planting With No Adjacent	flower-planting-with-no-adjacent.cc
1041	Robot Bounded In Circle	robot-bounded-in-circle.cc
1036	Escape a Large Maze	escape-a-large-maze.cc
1035	Uncrossed Lines	uncrossed-lines.cc
1034	Coloring A Border	coloring-a-border.cc
1033	Moving Stones Until Consecutive	moving-stones-until-consecutive.cc
1032	Stream of Characters	stream-of-characters.cc
1031	Maximum Sum of Two Non-Overlapping Subarrays	maximum-sum-of-two-non-overlapping-subarrays.cc
1029	Two City Scheduling	two-city-scheduling.cc
1030	Matrix Cells in Distance Order	matrix-cells-in-distance-order.cc
1028	Recover a Tree From Preorder Traversal	recover-a-tree-from-preorder-traversal.cc
1026	Maximum Difference Between Node and Ancestor	maximum-difference-between-node-and-ancestor.cc
1025	Divisor Game	divisor-game.cc
1020	Number of Enclaves	number-of-enclaves.cc
1019	Next Greater Node In Linked List	next-greater-node-in-linked-list.cc
1018	Binary Prefix Divisible By 5	binary-prefix-divisible-by-5.cc
1017	Convert to Base -2	convert-to-base-2.cc
1016	Binary String With Substrings Representing 1 To N	binary-string-with-substrings-representing-1-to-n.cc
1015	Smallest Integer Divisible by K	smallest-integer-divisible-by-k.cc
1014	Best Sightseeing Pair	best-sightseeing-pair.cc
1013	Partition Array Into Three Parts With Equal Sum	partition-array-into-three-parts-with-equal-sum.cc
1011	Capacity To Ship Packages Within D Days	capacity-to-ship-packages-within-d-days.cc
1010	Pairs of Songs With Total Durations Divisible by 60	pairs-of-songs-with-total-durations-divisible-by-60.cc
1009	Complement of Base 10 Integer	complement-of-base-10-integer.cc
1008	Construct Binary Search Tree from Preorder Traversal	construct-binary-search-tree-from-preorder-traversal.cc
1007	Minimum Domino Rotations For Equal Row	minimum-domino-rotations-for-equal-row.cc
1006	Clumsy Factorial	clumsy-factorial.cc
1005	Maximize Sum Of Array After K Negations	maximize-sum-of-array-after-k-negations.cc
1004	Max Consecutive Ones III	max-consecutive-ones-iii.nim
1003	Check If Word Is Valid After Substitutions	check-if-word-is-valid-after-substitutions.cc
1002	Find Common Characters	find-common-characters.cc
1000	Minimum Cost to Merge Stones	minimum-cost-to-merge-stones.cc
996	Number of Squareful Arrays	number-of-squareful-arrays.cc
995	Minimum Number of K Consecutive Bit Flips	minimum-number-of-k-consecutive-bit-flips.rs
994	Rotting Oranges	rotting-oranges.cc
993	Cousins in Binary Tree	cousins-in-binary-tree.cc
992	Subarrays with K Different Integers	subarrays-with-k-different-integers.cc
991	Broken Calculator	broken-calculator.cc
990	Satisfiability of Equality Equations	satisfiability-of-equality-equations.cc
989	Add to Array-Form of Integer	add-to-array-form-of-integer.cc
984	String Without AAA or BBB	string-without-aaa-or-bbb.rs
980	Unique Paths III	unique-paths-iii.cc
979	Distribute Coins in Binary Tree	distribute-coins-in-binary-tree.cc
978	Longest Turbulent Subarray	longest-turbulent-subarray.cc
977	Squares of a Sorted Array	squares-of-a-sorted-array.cc
973	K Closest Points to Origin	k-closest-points-to-origin.cc
960	Delete Columns to Make Sorted III	delete-columns-to-make-sorted-iii.cc
959	Regions Cut By Slashes	regions-cut-by-slashes.cc
958	Check Completeness of a Binary Tree	check-completeness-of-a-binary-tree.cc
957	Prison Cells After N Days	prison-cells-after-n-days.cc
956	Tallest Billboard	tallest-billboard.cc
955	Delete Columns to Make Sorted II	delete-columns-to-make-sorted-ii.cc
954	Array of Doubled Pairs	array-of-doubled-pairs.cc
953	Verifying an Alien Dictionary	verifying-an-alien-dictionary.cc
952	Largest Component Size by Common Factor	largest-component-size-by-common-factor.rs
940	Distinct Subsequences II	distinct-subsequences-ii.rs
939	Minimum Area Rectangle	minimum-area-rectangle.cc
938	Range Sum of BST	range-sum-of-bst.cc
932	Beautiful Array	beautiful-array.cc
931	Minimum Falling Path Sum	minimum-falling-path-sum.cc
930	Binary Subarrays With Sum	binary-subarrays-with-sum.nim
929	Unique Email Addresses	unique-email-addresses.cc
921	Minimum Add to Make Parentheses Valid	minimum-add-to-make-parentheses-valid.rs
911	Online Election	online-election.cc
910	Smallest Range II	smallest-range-ii.cc
909	Snakes and Ladders	snakes-and-ladders.cc
908	Smallest Range I	smallest-range-i.cc
907	Sum of Subarray Minimums	sum-of-subarray-minimums.rs
906	Super Palindromes	super-palindromes.rs
903	Valid Permutations for DI Sequence	valid-permutations-for-di-sequence.rs
902	Numbers At Most N Given Digit Set	numbers-at-most-n-given-digit-set.cc
901	Online Stock Span	online-stock-span.cc
900	RLE Iterator	rle-iterator.cc
899	Orderly Queue	orderly-queue.cc
898	Bitwise ORs of Subarrays	bitwise-ors-of-subarrays.cc
897	Increasing Order Search Tree	increasing-order-search-tree.cc
896	Monotonic Array	monotonic-array.cc
891	Sum of Subsequence Widths	sum-of-subsequence-widths.cc
890	Find and Replace Pattern	find-and-replace-pattern.cc
889	Construct Binary Tree from Preorder and Postorder Traversal	construct-binary-tree-from-preorder-and-postorder-traversal.cc
888	Fair Candy Swap	fair-candy-swap.cc
883	Projection Area of 3D Shapes	projection-area-of-3d-shapes.cc
882	Reachable Nodes In Subdivided Graph	reachable-nodes-in-subdivided-graph.cc
881	Boats to Save People	boats-to-save-people.cc
880	Decoded String at Index	decoded-string-at-index.cc
875	Koko Eating Bananas	koko-eating-bananas.cc
874	Walking Robot Simulation	walking-robot-simulation.cc
873	Length of Longest Fibonacci Subsequence	length-of-longest-fibonacci-subsequence.cc
872	Leaf-Similar Trees	leaf-similar-trees.cc
871	Minimum Number of Refueling Stops	minimum-number-of-refueling-stops.cc
870	Advantage Shuffle	advantage-shuffle.cc
869	Reordered Power of 2	reordered-power-of-2.cc
868	Binary Gap	binary-gap.cc
866	Prime Palindrome	prime-palindrome.rs
859	Buddy Strings	buddy-strings.cc
858	Mirror Reflection	mirror-reflection.cc
857	Minimum Cost to Hire K Workers	minimum-cost-to-hire-k-workers.rs
856	Score of Parentheses	score-of-parentheses.cc
855	Exam Room	exam-room.cc
854	K-Similar Strings	k-similar-strings.cc
853	Car Fleet	car-fleet.cc
852	Peak Index in a Mountain Array	peak-index-in-a-mountain-array.cc
843	Guess the Word	guess-the-word.cc
842	Split Array into Fibonacci Sequence	split-array-into-fibonacci-sequence.cc
841	Keys and Rooms	keys-and-rooms.cc
840	Magic Squares In Grid	magic-squares-in-grid.cc
835	Image Overlap	image-overlap.cc
834	Sum of Distances in Tree	sum-of-distances-in-tree.cc
833	Find And Replace in String	find-and-replace-in-string.cc
832	Flipping an Image	flipping-an-image.cc
827	Making A Large Island	making-a-large-island.cc
826	Most Profit Assigning Work	most-profit-assigning-work.cc
825	Friends Of Appropriate Ages	friends-of-appropriate-ages.cc
824	Goat Latin	goat-latin.cc
815	Bus Routes	bus-routes.cc
814	Binary Tree Pruning	binary-tree-pruning.cc
813	Largest Sum of Averages	largest-sum-of-averages.cc
812	Largest Triangle Area	largest-triangle-area.cc
803	Bricks Falling When Hit	bricks-falling-when-hit.cc
802	Find Eventual Safe States	find-eventual-safe-states.rs
798	Smallest Rotation with Highest Score	smallest-rotation-with-highest-score.rs
795	Number of Subarrays with Bounded Maximum	number-of-subarrays-with-bounded-maximum.rs
792	Number of Matching Subsequences	number-of-matching-subsequences.rs
767	Reorganize String	reorganize-string.rs
719	Find K-th Smallest Pair Distance	find-k-th-smallest-pair-distance.nim
679	24 Game	24-game.nim
678	Valid Parenthesis String	valid-parenthesis-string.rs
673	Number of Longest Increasing Subsequence	number-of-longest-increasing-subsequence.cc
668	Kth Smallest Number in Multiplication Table	kth-smallest-number-in-multiplication-table.nim
664	Strange Printer	strange-printer.rs
652	Find Duplicate Subtrees	find-duplicate-subtrees.cc
643	Maximum Average Subarray I	maximum-average-subarray-i.cc
636	Exclusive Time of Functions	exclusive-time-of-functions.cc
635	Design Log Storage System	design-log-storage-system.cc
634	Find the Derangement of An Array	find-the-derangement-of-an-array.cc
633	Sum of Square Numbers	sum-of-square-numbers.cc
631	Design Excel Sum Formula	design-excel-sum-formula.cc
630	Course Schedule III	course-schedule-iii.rs
629	K Inverse Pairs Array	k-inverse-pairs-array.cc
628	Maximum Product of Three Numbers	maximum-product-of-three-numbers.cc
617	Merge Two Binary Trees	merge-two-binary-trees.cc
616	Add Bold Tag in String	add-bold-tag-in-string.cc
611	Valid Triangle Number	valid-triangle-number.cc
604	Design Compressed String Iterator	design-compressed-string-iterator.cc
600	Non-negative Integers without Consecutive Ones	non-negative-integers-without-consecutive-ones.cc
599	Minimum Index Sum of Two Lists	minimum-index-sum-of-two-lists.cc
598	Range Addition II	range-addition-ii.cc
594	Longest Harmonious Subsequence	longest-harmonious-subsequence.cc
593	Valid Square	valid-square.cc
592	Fraction Addition and Subtraction	fraction-addition-and-subtraction.cc
588	Design In-Memory File System	design-in-memory-file-system.cc
587	Erect the Fence	erect-the-fence.cc
583	Delete Operation for Two Strings	delete-operation-for-two-strings.cc
582	Kill Process	kill-process.cc
581	Shortest Unsorted Continuous Subarray	shortest-unsorted-continuous-subarray.cc
575	Distribute Candies	distribute-candies.cc
565	Array Nesting	array-nesting.cc
556	Next Greater Element III	next-greater-element-iii.cc
553	Optimal Division	optimal-division.cc
552	Student Attendance Record II	student-attendance-record-ii.cc
543	Diameter of Binary Tree	diameter-of-binary-tree.nim
533	Lonely Pixel II	lonely-pixel-ii.cc
531	Lonely Pixel I	lonely-pixel-i.cc
524	Longest Word in Dictionary through Deleting	longest-word-in-dictionary-through-deleting.rs
514	Freedom Trail	freedom-trail.cc
508	Most Frequent Subtree Sum	most-frequent-subtree-sum.cc
507	Perfect Number	perfect-number.cc
504	Base 7	base-7.cc
502	IPO	ipo.rs
501	Find Mode in Binary Search Tree	find-mode-in-binary-search-tree.cc
500	Keyboard Row	keyboard-row.cc
495	Teemo Attacking	teemo-attacking.cc
494	Target Sum	target-sum.cc
491	Increasing Subsequences	increasing-subsequences.cc
490	The Maze	the-maze.cc
485	Max Consecutive Ones	max-consecutive-ones.cc
483	Smallest Good Base	smallest-good-base.cc
482	License Key Formatting	license-key-formatting.cc
481	Magical String	magical-string.cc
480	Sliding Window Median	sliding-window-median.cc
479	Largest Palindrome Product	largest-palindrome-product.rs
477	Total Hamming Distance	total-hamming-distance.cc
476	Number Complement	number-complement.cc
475	Heaters	heaters.cc
474	Ones and Zeroes	ones-and-zeroes.cc
473	Matchsticks to Square	matchsticks-to-square.cc
472	Concatenated Words	concatenated-words.rs
469	Convex Polygon	convex-polygon.cc
468	Validate IP Address	validate-ip-address.cc
467	Unique Substrings in Wraparound String	unique-substrings-in-wraparound-string.cc
466	Count The Repetitions	count-the-repetitions.cc
465	Optimal Account Balancing	optimal-account-balancing.cc
464	Can I Win	can-i-win.cc
463	Island Perimeter	island-perimeter.cc
462	Minimum Moves to Equal Array Elements II	minimum-moves-to-equal-array-elements-ii.cc
461	Hamming Distance	hamming-distance.cc
459	Repeated Substring Pattern	repeated-substring-pattern.cc
456	132 Pattern	132-pattern.cc
455	Assign Cookies	assign-cookies.cc
454	4Sum II	4sum-ii.cc
453	Minimum Moves to Equal Array Elements	minimum-moves-to-equal-array-elements.cc
452	Minimum Number of Arrows to Burst Balloons	minimum-number-of-arrows-to-burst-balloons.cc
447	Number of Boomerangs	number-of-boomerangs.cc
446	Arithmetic Slices II - Subsequence	arithmetic-slices-ii-subsequence.cc
444	Sequence Reconstruction	sequence-reconstruction.cc
441	Arranging Coins	arranging-coins.cc
440	K-th Smallest in Lexicographical Order	k-th-smallest-in-lexicographical-order.cc
439	Ternary Expression Parser	ternary-expression-parser.cc
438	Find All Anagrams in a String	find-all-anagrams-in-a-string.cc
437	Path Sum III	path-sum-iii.cc
436	Find Right Interval	find-right-interval.cc
435	Non-overlapping Intervals	non-overlapping-intervals.cc
434	Number of Segments in a String	number-of-segments-in-a-string.cc
432	All O`one Data Structure	all-oone-data-structure.cc
424	Longest Repeating Character Replacement	longest-repeating-character-replacement.nim
423	Reconstruct Original Digits from English	reconstruct-original-digits-from-english.cc
422	Valid Word Square	valid-word-square.cc
421	Maximum XOR of Two Numbers in an Array	maximum-xor-of-two-numbers-in-an-array.rs
420	Strong Password Checker	strong-password-checker.cc
419	Battleships in a Board	battleships-in-a-board.cc
417	Pacific Atlantic Water Flow	pacific-atlantic-water-flow.cc
416	Partition Equal Subset Sum	partition-equal-subset-sum.cc
415	Add Strings	add-strings.cc
414	Third Maximum Number	third-maximum-number.cc
413	Arithmetic Slices	arithmetic-slices.cc
412	Fizz Buzz	fizz-buzz.cc
410	Split Array Largest Sum	split-array-largest-sum.cc
409	Longest Palindrome	longest-palindrome.cc
408	Valid Word Abbreviation	valid-word-abbreviation.cc
407	Trapping Rain Water II	trapping-rain-water-ii.cc
406	Queue Reconstruction by Height	queue-reconstruction-by-height.cc
405	Convert a Number to Hexadecimal	convert-a-number-to-hexadecimal.cc
404	Sum of Left Leaves	sum-of-left-leaves.cc
403	Frog Jump	frog-jump.cc
402	Remove K Digits	remove-k-digits.nim
401	Binary Watch	binary-watch.cc
400	Nth Digit	nth-digit.cc
399	Evaluate Division	evaluate-division.cc
398	Random Pick Index	random-pick-index.cc
397	Integer Replacement	integer-replacement.cc
396	Rotate Function	rotate-function.cc
395	Longest Substring with At Least K Repeating Characters	longest-substring-with-at-least-k-repeating-characters.cc
394	Decode String	decode-string.cc
393	UTF-8 Validation	utf-8-validation.cc
392	Is Subsequence	is-subsequence.cc
391	Perfect Rectangle	perfect-rectangle.cc
390	Elimination Game	elimination-game.cc
389	Find the Difference	find-the-difference.cc
388	Longest Absolute File Path	longest-absolute-file-path.cc
387	First Unique Character in a String	first-unique-character-in-a-string.cc
386	Lexicographical Numbers	lexicographical-numbers.cc
385	Mini Parser	mini-parser.cc
384	Shuffle an Array	shuffle-an-array.cc
383	Ransom Note	ransom-note.cc
382	Linked List Random Node	linked-list-random-node.cc
381	Insert Delete GetRandom O(1) - Duplicates allowed	insert-delete-getrandom-o1-duplicates-allowed.cc
380	Insert Delete GetRandom O(1)	insert-delete-getrandom-o1.cc
379	Design Phone Directory	design-phone-directory.cc
378	Kth Smallest Element in a Sorted Matrix	kth-smallest-element-in-a-sorted-matrix.nim
377	Combination Sum IV	combination-sum-iv.cc
376	Wiggle Subsequence	wiggle-subsequence.cc
375	Guess Number Higher or Lower II	guess-number-higher-or-lower-ii.cc
374	Guess Number Higher or Lower	guess-number-higher-or-lower.cc
373	Find K Pairs with Smallest Sums	find-k-pairs-with-smallest-sums.nim
372	Super Pow	super-pow.cc
371	Sum of Two Integers	sum-of-two-integers.cc
370	Range Addition	range-addition.cc
369	Plus One Linked List	plus-one-linked-list.cc
368	Largest Divisible Subset	largest-divisible-subset.cc
367	Valid Perfect Square	valid-perfect-square.cc
366	Find Leaves of Binary Tree	find-leaves-of-binary-tree.cc
365	Water and Jug Problem	water-and-jug-problem.cc
364	Nested List Weight Sum II	nested-list-weight-sum-ii.cc
362	Design Hit Counter	design-hit-counter.cc
361	Bomb Enemy	bomb-enemy.cc
360	Sort Transformed Array	sort-transformed-array.cc
359	Logger Rate Limiter	logger-rate-limiter.cc
358	Rearrange String k Distance Apart	rearrange-string-k-distance-apart.cc
357	Count Numbers with Unique Digits	count-numbers-with-unique-digits.cc
356	Line Reflection	line-reflection.cc
355	Design Twitter	design-twitter.cc
354	Russian Doll Envelopes	russian-doll-envelopes.rs
353	Design Snake Game	design-snake-game.cc
352	Data Stream as Disjoint Intervals	data-stream-as-disjoint-intervals.cc
351	Android Unlock Patterns	android-unlock-patterns.cc
350	Intersection of Two Arrays II	intersection-of-two-arrays-ii.cc
349	Intersection of Two Arrays	intersection-of-two-arrays.cc
348	Design Tic-Tac-Toe	design-tic-tac-toe.cc
347	Top K Frequent Elements	top-k-frequent-elements.rs
346	Moving Average from Data Stream	moving-average-from-data-stream.cc
345	Reverse Vowels of a String	reverse-vowels-of-a-string.cc
344	Reverse String	reverse-string.cc
343	Integer Break	integer-break.cc
342	Power of Four	power-of-four.cc
341	Flatten Nested List Iterator	flatten-nested-list-iterator.cc
340	Longest Substring with At Most K Distinct Characters	longest-substring-with-at-most-k-distinct-characters.cc
339	Nested List Weight Sum	nested-list-weight-sum.cc
338	Counting Bits	counting-bits.cc
337	House Robber III	house-robber-iii.cc
336	Palindrome Pairs	palindrome-pairs.cc
335	Self Crossing	self-crossing.cc
334	Increasing Triplet Subsequence	increasing-triplet-subsequence.cc
333	Largest BST Subtree	largest-bst-subtree.cc
332	Reconstruct Itinerary	reconstruct-itinerary.cc
331	Verify Preorder Serialization of a Binary Tree	verify-preorder-serialization-of-a-binary-tree.cc
330	Patching Array	patching-array.cc
329	Longest Increasing Path in a Matrix	longest-increasing-path-in-a-matrix.cc
328	Odd Even Linked List	odd-even-linked-list.cc
327	Count of Range Sum	count-of-range-sum.cc
326	Power of Three	power-of-three.cc
325	Maximum Size Subarray Sum Equals k	maximum-size-subarray-sum-equals-k.cc
324	Wiggle Sort II	wiggle-sort-ii.cc
323	Number of Connected Components in an Undirected Graph	number-of-connected-components-in-an-undirected-graph.cc
322	Coin Change	coin-change.cc
321	Create Maximum Number	create-maximum-number.cc
320	Generalized Abbreviation	generalized-abbreviation.cc
319	Bulb Switcher	bulb-switcher.cc
318	Maximum Product of Word Lengths	maximum-product-of-word-lengths.cc
317	Shortest Distance from All Buildings	shortest-distance-from-all-buildings.cc
316	Remove Duplicate Letters	remove-duplicate-letters.nim
315	Count of Smaller Numbers After Self	count-of-smaller-numbers-after-self.cc
314	Binary Tree Vertical Order Traversal	binary-tree-vertical-order-traversal.cc
313	Super Ugly Number	super-ugly-number.rs
312	Burst Balloons	burst-balloons.cc
311	Sparse Matrix Multiplication	sparse-matrix-multiplication.cc
310	Minimum Height Trees	minimum-height-trees.cc
309	Best Time to Buy and Sell Stock with Cooldown	best-time-to-buy-and-sell-stock-with-cooldown.cc
308	Range Sum Query 2D - Mutable	range-sum-query-2d-mutable.cc
307	Range Sum Query - Mutable	range-sum-query-mutable.cc
306	Additive Number	additive-number.cc
305	Number of Islands II	number-of-islands-ii.cc
304	Range Sum Query 2D - Immutable	range-sum-query-2d-immutable.cc
303	Range Sum Query - Immutable	range-sum-query-immutable.cc
302	Smallest Rectangle Enclosing Black Pixels	smallest-rectangle-enclosing-black-pixels.cc
301	Remove Invalid Parentheses	remove-invalid-parentheses.rs
300	Longest Increasing Subsequence	longest-increasing-subsequence.rs
299	Bulls and Cows	bulls-and-cows.cc
298	Binary Tree Longest Consecutive Sequence	binary-tree-longest-consecutive-sequence.cc
297	Serialize and Deserialize Binary Tree	serialize-and-deserialize-binary-tree.cc
296	Best Meeting Point	best-meeting-point.cc
295	Find Median from Data Stream	find-median-from-data-stream.cc
294	Flip Game II	flip-game-ii.cc
293	Flip Game	flip-game.cc
292	Nim Game	nim-game.cc
291	Word Pattern II	word-pattern-ii.cc
290	Word Pattern	word-pattern.cc
289	Game of Life	game-of-life.cc
288	Unique Word Abbreviation	unique-word-abbreviation.cc
287	Find the Duplicate Number	find-the-duplicate-number.cc
286	Walls and Gates	walls-and-gates.cc
285	Inorder Successor in BST	inorder-successor-in-bst.cc
284	Peeking Iterator	peeking-iterator.cc
283	Move Zeroes	move-zeroes.cc
282	Expression Add Operators	expression-add-operators.cc
281	Zigzag Iterator	zigzag-iterator.cc
280	Wiggle Sort	wiggle-sort.cc
279	Perfect Squares	perfect-squares.cc
278	First Bad Version	first-bad-version.cc
277	Find the Celebrity	find-the-celebrity.cc
276	Paint Fence	paint-fence.cc
275	H-Index II	h-index-ii.cc
274	H-Index	h-index.cc
273	Integer to English Words	integer-to-english-words.cc
272	Closest Binary Search Tree Value II	closest-binary-search-tree-value-ii.cc
271	Encode and Decode Strings	encode-and-decode-strings.cc
270	Closest Binary Search Tree Value	closest-binary-search-tree-value.cc
269	Alien Dictionary	alien-dictionary.cc
268	Missing Number	missing-number.cc
267	Palindrome Permutation II	palindrome-permutation-ii.cc
266	Palindrome Permutation	palindrome-permutation.cc
265	Paint House II	paint-house-ii.cc
264	Ugly Number II	ugly-number-ii.rs
263	Ugly Number	ugly-number.cc
261	Graph Valid Tree	graph-valid-tree.cc
260	Single Number III	single-number-iii.cc
259	3Sum Smaller	3sum-smaller.cc
258	Add Digits	add-digits.cc
257	Binary Tree Paths	binary-tree-paths.cc
256	Paint House	paint-house.cc
255	Verify Preorder Sequence in Binary Search Tree	verify-preorder-sequence-in-binary-search-tree.cc
254	Factor Combinations	factor-combinations.cc
253	Meeting Rooms II	meeting-rooms-ii.cc
252	Meeting Rooms	meeting-rooms.cc
251	Flatten 2D Vector	flatten-2d-vector.cc
250	Count Univalue Subtrees	count-univalue-subtrees.cc
249	Group Shifted Strings	group-shifted-strings.cc
248	Strobogrammatic Number III	strobogrammatic-number-iii.cc
247	Strobogrammatic Number II	strobogrammatic-number-ii.cc
246	Strobogrammatic Number	strobogrammatic-number.cc
245	Shortest Word Distance III	shortest-word-distance-iii.cc
244	Shortest Word Distance II	shortest-word-distance-ii.cc
243	Shortest Word Distance	shortest-word-distance.cc
242	Valid Anagram	valid-anagram.cc
241	Different Ways to Add Parentheses	different-ways-to-add-parentheses.nim
240	Search a 2D Matrix II	search-a-2d-matrix-ii.cc
239	Sliding Window Maximum	sliding-window-maximum.cc
238	Product of Array Except Self	product-of-array-except-self.cc
237	Delete Node in a Linked List	delete-node-in-a-linked-list.cc
236	Lowest Common Ancestor of a Binary Tree	lowest-common-ancestor-of-a-binary-tree.cc
235	Lowest Common Ancestor of a Binary Search Tree	lowest-common-ancestor-of-a-binary-search-tree.cc
234	Palindrome Linked List	palindrome-linked-list.cc
233	Number of Digit One	number-of-digit-one.cc
232	Implement Queue using Stacks	implement-queue-using-stacks.cc
231	Power of Two	power-of-two.cc
230	Kth Smallest Element in a BST	kth-smallest-element-in-a-bst.cc
229	Majority Element II	majority-element-ii.cc
228	Summary Ranges	summary-ranges.cc
227	Basic Calculator II	basic-calculator-ii.nim
226	Invert Binary Tree	invert-binary-tree.cc
225	Implement Stack using Queues	implement-stack-using-queues.cc
224	Basic Calculator	basic-calculator.cc
223	Rectangle Area	rectangle-area.cc
222	Count Complete Tree Nodes	count-complete-tree-nodes.cc
221	Maximal Square	maximal-square.cc
220	Contains Duplicate III	contains-duplicate-iii.cc
219	Contains Duplicate II	contains-duplicate-ii.cc
218	The Skyline Problem	the-skyline-problem.cc
217	Contains Duplicate	contains-duplicate.cc
216	Combination Sum III	combination-sum-iii.cc
215	Kth Largest Element in an Array	kth-largest-element-in-an-array.rs
214	Shortest Palindrome	shortest-palindrome.rs
213	House Robber II	house-robber-ii.cc
212	Word Search II	word-search-ii.rs
210	Course Schedule II	course-schedule-ii.nim
209	Minimum Size Subarray Sum	minimum-size-subarray-sum.cc
208	Implement Trie (Prefix Tree)	implement-trie-prefix-tree.cc
207	Course Schedule	course-schedule.nim
206	Reverse Linked List	reverse-linked-list.cc
205	Isomorphic Strings	isomorphic-strings.cc
204	Count Primes	count-primes.cc
203	Remove Linked List Elements	remove-linked-list-elements.cc
202	Happy Number	happy-number.cc
201	Bitwise AND of Numbers Range	bitwise-and-of-numbers-range.cc
200	Number of Islands	number-of-islands.cc
199	Binary Tree Right Side View	binary-tree-right-side-view.cc
198	House Robber	house-robber.cc
191	Number of 1 Bits	number-of-1-bits.cc
190	Reverse Bits	reverse-bits.cc
189	Rotate Array	rotate-array.cc
188	Best Time to Buy and Sell Stock IV	best-time-to-buy-and-sell-stock-iv.cc
187	Repeated DNA Sequences	repeated-dna-sequences.cc
186	Reverse Words in a String II	reverse-words-in-a-string-ii.cc
179	Largest Number	largest-number.cc
174	Dungeon Game	dungeon-game.cc
173	Binary Search Tree Iterator	binary-search-tree-iterator.cc
172	Factorial Trailing Zeroes	factorial-trailing-zeroes.cc
171	Excel Sheet Column Number	excel-sheet-column-number.cc
170	Two Sum III - Data structure design	two-sum-iii-data-structure-design.cc
169	Majority Element	majority-element.cc
168	Excel Sheet Column Title	excel-sheet-column-title.cc
167	Two Sum II - Input Array Is Sorted	two-sum-ii-input-array-is-sorted.cc
166	Fraction to Recurring Decimal	fraction-to-recurring-decimal.cc
165	Compare Version Numbers	compare-version-numbers.cc
164	Maximum Gap	maximum-gap.cc
163	Missing Ranges	missing-ranges.cc
162	Find Peak Element	find-peak-element.cc
161	One Edit Distance	one-edit-distance.cc
160	Intersection of Two Linked Lists	intersection-of-two-linked-lists.cc
159	Longest Substring with At Most Two Distinct Characters	longest-substring-with-at-most-two-distinct-characters.cc
158	Read N Characters Given read4 II - Call Multiple Times	read-n-characters-given-read4-ii-call-multiple-times.cc
157	Read N Characters Given Read4	read-n-characters-given-read4.cc
156	Binary Tree Upside Down	binary-tree-upside-down.cc
155	Min Stack	min-stack.cc
154	Find Minimum in Rotated Sorted Array II	find-minimum-in-rotated-sorted-array-ii.cc
153	Find Minimum in Rotated Sorted Array	find-minimum-in-rotated-sorted-array.cc
152	Maximum Product Subarray	maximum-product-subarray.cc
151	Reverse Words in a String	reverse-words-in-a-string.cc
150	Evaluate Reverse Polish Notation	evaluate-reverse-polish-notation.cc
149	Max Points on a Line	max-points-on-a-line.cc
148	Sort List	sort-list.cc
147	Insertion Sort List	insertion-sort-list.cc
146	LRU Cache	lru-cache.cc
145	Binary Tree Postorder Traversal	binary-tree-postorder-traversal.cc
144	Binary Tree Preorder Traversal	binary-tree-preorder-traversal.cc
143	Reorder List	reorder-list.cc
142	Linked List Cycle II	linked-list-cycle-ii.cc
141	Linked List Cycle	linked-list-cycle.cc
140	Word Break II	word-break-ii.rs
139	Word Break	word-break.cc
138	Copy List with Random Pointer	copy-list-with-random-pointer.cc
137	Single Number II	single-number-ii.cc
136	Single Number	single-number.cc
135	Candy	candy.rs
134	Gas Station	gas-station.cc
133	Clone Graph	clone-graph.cc
132	Palindrome Partitioning II	palindrome-partitioning-ii.cc
131	Palindrome Partitioning	palindrome-partitioning.rs
130	Surrounded Regions	surrounded-regions.cc
129	Sum Root to Leaf Numbers	sum-root-to-leaf-numbers.cc
128	Longest Consecutive Sequence	longest-consecutive-sequence.cc
127	Word Ladder	word-ladder.cc
126	Word Ladder II	word-ladder-ii.cc
125	Valid Palindrome	valid-palindrome.cc
124	Binary Tree Maximum Path Sum	binary-tree-maximum-path-sum.nim
123	Best Time to Buy and Sell Stock III	best-time-to-buy-and-sell-stock-iii.cc
122	Best Time to Buy and Sell Stock II	best-time-to-buy-and-sell-stock-ii.cc
121	Best Time to Buy and Sell Stock	best-time-to-buy-and-sell-stock.cc
120	Triangle	triangle.cc
119	Pascal's Triangle II	pascals-triangle-ii.cc
118	Pascal's Triangle	pascals-triangle.cc
117	Populating Next Right Pointers in Each Node II	populating-next-right-pointers-in-each-node-ii.cc
116	Populating Next Right Pointers in Each Node	populating-next-right-pointers-in-each-node.cc
115	Distinct Subsequences	distinct-subsequences.cc
114	Flatten Binary Tree to Linked List	flatten-binary-tree-to-linked-list.cc
113	Path Sum II	path-sum-ii.cc
112	Path Sum	path-sum.cc
111	Minimum Depth of Binary Tree	minimum-depth-of-binary-tree.cc
110	Balanced Binary Tree	balanced-binary-tree.cc
109	Convert Sorted List to Binary Search Tree	convert-sorted-list-to-binary-search-tree.cc
108	Convert Sorted Array to Binary Search Tree	convert-sorted-array-to-binary-search-tree.cc
107	Binary Tree Level Order Traversal II	binary-tree-level-order-traversal-ii.cc
106	Construct Binary Tree from Inorder and Postorder Traversal	construct-binary-tree-from-inorder-and-postorder-traversal.cc
105	Construct Binary Tree from Preorder and Inorder Traversal	construct-binary-tree-from-preorder-and-inorder-traversal.cc
104	Maximum Depth of Binary Tree	maximum-depth-of-binary-tree.cc
103	Binary Tree Zigzag Level Order Traversal	binary-tree-zigzag-level-order-traversal.cc
102	Binary Tree Level Order Traversal	binary-tree-level-order-traversal.cc
101	Symmetric Tree	symmetric-tree.cc
100	Same Tree	same-tree.cc
99	Recover Binary Search Tree	recover-binary-search-tree.cc
98	Validate Binary Search Tree	validate-binary-search-tree.cc
97	Interleaving String	interleaving-string.cc
96	Unique Binary Search Trees	unique-binary-search-trees.cc
95	Unique Binary Search Trees II	unique-binary-search-trees-ii.cc
94	Binary Tree Inorder Traversal	binary-tree-inorder-traversal.cc
93	Restore IP Addresses	restore-ip-addresses.cc
92	Reverse Linked List II	reverse-linked-list-ii.cc
91	Decode Ways	decode-ways.cc
90	Subsets II	subsets-ii.cc
89	Gray Code	gray-code.cc
88	Merge Sorted Array	merge-sorted-array.cc
87	Scramble String	scramble-string.cc
86	Partition List	partition-list.cc
85	Maximal Rectangle	maximal-rectangle.cc
84	Largest Rectangle in Histogram	largest-rectangle-in-histogram.cc
83	Remove Duplicates from Sorted List	remove-duplicates-from-sorted-list.cc
82	Remove Duplicates from Sorted List II	remove-duplicates-from-sorted-list-ii.cc
81	Search in Rotated Sorted Array II	search-in-rotated-sorted-array-ii.cc
80	Remove Duplicates from Sorted Array II	remove-duplicates-from-sorted-array-ii.cc
79	Word Search	word-search.cc
78	Subsets	subsets.cc
77	Combinations	combinations.cc
76	Minimum Window Substring	minimum-window-substring.cc
75	Sort Colors	sort-colors.cc
74	Search a 2D Matrix	search-a-2d-matrix.cc
73	Set Matrix Zeroes	set-matrix-zeroes.cc
72	Edit Distance	edit-distance.cc
71	Simplify Path	simplify-path.cc
70	Climbing Stairs	climbing-stairs.cc
69	Sqrt(x)	sqrtx.cc
68	Text Justification	text-justification.cc
67	Add Binary	add-binary.cc
66	Plus One	plus-one.cc
65	Valid Number	valid-number.cc
64	Minimum Path Sum	minimum-path-sum.cc
63	Unique Paths II	unique-paths-ii.cc
62	Unique Paths	unique-paths.cc
61	Rotate List	rotate-list.cc
60	Permutation Sequence	permutation-sequence.rs
59	Spiral Matrix II	spiral-matrix-ii.cc
58	Length of Last Word	length-of-last-word.cc
57	Insert Interval	insert-interval.cc
56	Merge Intervals	merge-intervals.cc
55	Jump Game	jump-game.cc
54	Spiral Matrix	spiral-matrix.cc
53	Maximum Subarray	maximum-subarray.cc
52	N-Queens II	n-queens-ii.cc
51	N-Queens	n-queens.cc
50	Pow(x, n)	powx-n.cc
48	Rotate Image	rotate-image.rs
47	Permutations II	permutations-ii.cc
46	Permutations	permutations.cc
45	Jump Game II	jump-game-ii.cc
44	Wildcard Matching	wildcard-matching.cc
43	Multiply Strings	multiply-strings.cc
42	Trapping Rain Water	trapping-rain-water.cc
41	First Missing Positive	first-missing-positive.cc
40	Combination Sum II	combination-sum-ii.cc
39	Combination Sum	combination-sum.cc
38	Count and Say	count-and-say.cc
37	Sudoku Solver	sudoku-solver.cc
36	Valid Sudoku	valid-sudoku.cc
35	Search Insert Position	search-insert-position.cc
33	Search in Rotated Sorted Array	search-in-rotated-sorted-array.cc
32	Longest Valid Parentheses	longest-valid-parentheses.cc
31	Next Permutation	next-permutation.cc
30	Substring with Concatenation of All Words	substring-with-concatenation-of-all-words.cc
29	Divide Two Integers	divide-two-integers.cc
28	Implement strStr()	implement-strstr.cc
27	Remove Element	remove-element.cc
26	Remove Duplicates from Sorted Array	remove-duplicates-from-sorted-array.cc
25	Reverse Nodes in k-Group	reverse-nodes-in-k-group.cc
24	Swap Nodes in Pairs	swap-nodes-in-pairs.cc
23	Merge k Sorted Lists	merge-k-sorted-lists.cc
22	Generate Parentheses	generate-parentheses.cc
21	Merge Two Sorted Lists	merge-two-sorted-lists.cc
20	Valid Parentheses	valid-parentheses.cc
19	Remove Nth Node From End of List	remove-nth-node-from-end-of-list.cc
18	4Sum	4sum.cc
17	Letter Combinations of a Phone Number	letter-combinations-of-a-phone-number.cc
16	3Sum Closest	3sum-closest.cc
15	3Sum	3sum.cc
14	Longest Common Prefix	longest-common-prefix.cc
13	Roman to Integer	roman-to-integer.cc
12	Integer to Roman	integer-to-roman.cc
11	Container With Most Water	container-with-most-water.cc
10	Regular Expression Matching	regular-expression-matching.cc
9	Palindrome Number	palindrome-number.cc
8	String to Integer (atoi)	string-to-integer-atoi.cc
7	Reverse Integer	reverse-integer.cc
6	Zigzag Conversion	zigzag-conversion.cc
5	Longest Palindromic Substring	longest-palindromic-substring.rs
4	Median of Two Sorted Arrays	median-of-two-sorted-arrays.cc
3	Longest Substring Without Repeating Characters	longest-substring-without-repeating-characters.cc
2	Add Two Numbers	add-two-numbers.cc
1	Two Sum	two-sum.cc