1506-Find-Root-of-N-Ary-Tree
1519-Number-of-Nodes-in-the-Sub-Tree-With-the-Same-Label
1522-Diameter-of-N-Ary-Tree
1523-Count-Odd-Numbers-in-an-Interval-Range
1531-String-Compression-II
1533-Find-the-Index-of-the-Large-Integer
1539-Kth-Missing-Positive-Number
1557-Minimum-Number-of-Vertices-to-Reach-All-Nodes
1559-Detect-Cycles-in-2D-Grid
1564-Put-Boxes-Into-the-Warehouse-I
1570-Dot-Product-of-Two-Sparse-Vectors
1574-Shortest-Subarray-to-be-Removed-to-Make-Array-Sorted
1575-Count-All-Possible-Routes
1576-Replace-All-Question-Marks-to-Avoid-Consecutive-Repeating-Characters
1577-Number-of-Ways-Where-Square-of-Number-Is-Equal-to-Product-of-Two-Numbers
1578-Minimum-Deletion-Cost-to-Avoid-Repeating-Letters
1579-Remove-Max-Number-of-Edges-to-Keep-Graph-Fully-Traversable
1580-Put-Boxes-Into-the-Warehouse-II
1582-Special-Positions-in-a-Binary-Matrix
1583-Count-Unhappy-Friends
1584-Min-Cost-to-Connect-All-Points
1585-Check-If-String-Is-Transformable-With-Substring-Sort-Operations
1586-Binary-Search-Tree-Iterator-II
1588-Sum-of-All-Odd-Length-Subarrays
1589-Maximum-Sum-Obtained-of-Any-Permutation
1590-Make-Sum-Divisible-by-P
1592-Rearrange-Spaces-Between-Words
1593-Split-a-String-Into-the-Max-Number-of-Unique-Substrings
1594-Maximum-Non-Negative-Product-in-a-Matrix
1595-Minimum-Cost-to-Connect-Two-Groups-of-Points
1597-Build-Binary-Expression-Tree-From-Infix-Expression
1599-Maximum-Profit-of-Operating-a-Centennial-Wheel
1601-Maximum-Number-of-Achievable-Transfer-Requests
1602-Find-Nearest-Right-Node-in-Binary-Tree
1603-Design-Parking-System
1604-Alert-Using-Same-Key-Card-Three-or-More-Times-in-a-One-Hour-Period
1605-Find-Valid-Matrix-Given-Row-and-Column-Sums
1606-Find-Servers-That-Handled-Most-Number-of-Requests
1608-Special-Array-With-X-Elements-Greater-Than-or-Equal-X
1610-Maximum-Number-of-Visible-Points
1611-Minimum-One-Bit-Operations-to-Make-Integers-Zero
1612-Check-If-Two-Expression-Trees-are-Equivalent
1614-Maximum-Nesting-Depth-of-the-Parentheses
1615-Maximal-Network-Rank
1616-Split-Two-Strings-to-Make-Palindrome
1617-Count-Subtrees-With-Max-Distance-Between-Cities
1618-Maximum-Font-to-Fit-a-Sentence-in-a-Screen
1619-Mean-of-Array-After-Removing-Some-Elements
1620-Coordinate-With-Maximum-Network-Quality
1621-Number-of-Sets-of-K-Non-Overlapping-Line-Segments
1624-Largest-Substring-Between-Two-Equal-Characters
1625-Lexicographically-Smallest-String-After-Applying-Operations
1626-Best-Team-With-No-Conflicts
1627-Graph-Connectivity-With-Threshold
1628-Design-an-Expression-Tree-With-Evaluate-Function
1630-Arithmetic-Subarrays
1631-Path-With-Minimum-Effort
1632-Rank-Transform-of-a-Matrix
1634-Add-Two-Polynomials-Represented-as-Linked-Lists
1636-Sort-Array-by-Increasing-Frequency
1637-Widest-Vertical-Area-Between-Two-Points-Containing-No-Points
1638-Count-Substrings-That-Differ-by-One-Character
1639-Number-of-Ways-to-Form-a-Target-String-Given-a-Dictionary
1640-Check-Array-Formation-Through-Concatenation
1641-Count-Sorted-Vowel-Strings
1642-Furthest-Building-You-Can-Reach
1643-Kth-Smallest-Instructions
1644-Lowest-Common-Ancestor-of-a-Binary-Tree-II
1646-Get-Maximum-in-Generated-Array
1647-Minimum-Deletions-to-Make-Character-Frequencies-Unique
1648-Sell-Diminishing-Valued-Colored-Balls
1649-Create-Sorted-Array-through-Instructions
1650-Lowest-Common-Ancestor-of-a-Binary-Tree-III
1653-Minimum-Deletions-to-Make-String-Balanced
1654-Minimum-Jumps-to-Reach-Home
1655-Distribute-Repeating-Integers
1656-Design-an-Ordered-Stream
1657-Determine-if-Two-Strings-Are-Close
1658-Minimum-Operations-to-Reduce-X-to-Zero
1659-Maximize-Grid-Happiness
1660-Correct-a-Binary-Tree
1662-Check-If-Two-String-Arrays-are-Equivalent
1663-Smallest-String-With-A-Given-Numeric-Value
1664-Ways-to-Make-a-Fair-Array
1665-Minimum-Initial-Energy-to-Finish-Tasks
1666-Change-the-Root-of-a-Binary-Tree
1668-Maximum-Repeating-Substring
1669-Merge-In-Between-Linked-Lists
1670-Design-Front-Middle-Back-Queue
1671-Minimum-Number-of-Removals-to-Make-Mountain-Array
1672-Richest-Customer-Wealth
1673-Find-the-Most-Competitive-Subsequence
1674-Minimum-Moves-to-Make-Array-Complementary
1675-Minimize-Deviation-in-Array
1676-Lowest-Common-Ancestor-of-a-Binary-Tree-IV
1678-Goal-Parser-Interpretation
1679-Max-Number-of-K-Sum-Pairs
1680-Concatenation-of-Consecutive-Binary-Numbers
1681-Minimum-Incompatibility
1682-Longest-Palindromic-Subsequence-II
1684-Count-the-Number-of-Consistent-Strings
1685-Sum-of-Absolute-Differences-in-a-Sorted-Array
1687-Delivering-Boxes-from-Storage-to-Ports
1688-Count-of-Matches-in-Tournament
1689-Partitioning-Into-Minimum-Number-Of-Deci-Binary-Numbers
1691-Maximum-Height-by-Stacking-Cuboids
1692-Count-Ways-to-Distribute-Candies
1694-Reformat-Phone-Number
1695-Maximum-Erasure-Value
1697-Checking-Existence-of-Edge-Length-Limited-Paths
1698-Number-of-Distinct-Substrings-in-a-String
1700-Number-of-Students-Unable-to-Eat-Lunch
1701-Average-Waiting-Time
1702-Maximum-Binary-String-After-Change
1703-Minimum-Adjacent-Swaps-for-K-Consecutive-Ones
1704-Determine-if-String-Halves-Are-Alike
1705-Maximum-Number-of-Eaten-Apples
1706-Where-Will-the-Ball-Fall
1707-Maximum-XOR-With-an-Element-From-Array
1708-Largest-Subarray-Length-K
1710-Maximum-Units-on-a-Truck
1712-Ways-to-Split-Array-Into-Three-Subarrays
1713-Minimum-Operations-to-Make-a-Subsequence
1714-Sum-Of-Special-Evenly-Spaced-Elements-In-Array
1716-Calculate-Money-in-Leetcode-Bank
1717-Maximum-Score-From-Removing-Substrings
1718-Construct-the-Lexicographically-Largest-Valid-Sequence
1719-Number-Of-Ways-To-Reconstruct-A-Tree
1721-Swapping-Nodes-in-a-Linked-List
1722-Minimize-Hamming-Distance-After-Swap-Operations
1723-Find-Minimum-Time-to-Finish-All-Jobs
1724-Checking-Existence-of-Edge-Length-Limited-Paths-II
1725-Number-Of-Rectangles-That-Can-Form-The-Largest-Square
1726-Tuple-with-Same-Product
1727-Largest-Submatrix-With-Rearrangements
1730-Shortest-Path-to-Get-Food
1732-Find-the-Highest-Altitude
1733-Minimum-Number-of-People-to-Teach
1734-Decode-XORed-Permutation
1735-Count-Ways-to-Make-Array-With-Product
1736-Latest-Time-by-Replacing-Hidden-Digits
1737-Change-Minimum-Characters-to-Satisfy-One-of-Three-Conditions
1738-Find-Kth-Largest-XOR-Coordinate-Value
1740-Find-Distance-in-a-Binary-Tree
1742-Maximum-Number-of-Balls-in-a-Box
1743-Restore-the-Array-From-Adjacent-Pairs
1744-Can-You-Eat-Your-Favorite-Candy-on-Your-Favorite-Day
1745-Palindrome-Partitioning-IV
1746-Maximum-Subarray-Sum-After-One-Operation
1748-Sum-of-Unique-Elements
1749-Maximum-Absolute-Sum-of-Any-Subarray
1750-Minimum-Length-of-String-After-Deleting-Similar-Ends
1751-Maximum-Number-of-Events-That-Can-Be-Attended-II
1752-Check-if-Array-Is-Sorted-and-Rotated
1753-Maximum-Score-From-Removing-Stones
1754-Largest-Merge-Of-Two-Strings
1755-Closest-Subsequence-Sum
1756-Design-Most-Recently-Used-Queue
1758-Minimum-Changes-To-Make-Alternating-Binary-String
1759-Count-Number-of-Homogenous-Substrings
1760-Minimum-Limit-of-Balls-in-a-Bag
1761-Minimum-Degree-of-a-Connected-Trio-in-a-Graph
1762-Buildings-With-an-Ocean-View
1763-Longest-Nice-Substring
1764-Form-Array-by-Concatenating-Subarrays-of-Another-Array
1768-Merge-Strings-Alternately
1769-Minimum-Number-of-Operations-to-Move-All-Balls-to-Each-Box
1770-Maximum-Score-from-Performing-Multiplication-Operations
1771-Maximize-Palindrome-Length-From-Subsequences
1772-Sort-Features-by-Popularity
1773-Count-Items-Matching-a-Rule
1774-Closest-Dessert-Cost
1775-Equal-Sum-Arrays-With-Minimum-Number-of-Operations
1778-Shortest-Path-in-a-Hidden-Grid
1779-Find-Nearest-Point-That-Has-the-Same-X-or-Y-Coordinate
1780-Check-if-Number-is-a-Sum-of-Powers-of-Three
1781-Sum-of-Beauty-of-All-Substrings
1782-Count-Pairs-Of-Nodes
1784-Check-if-Binary-String-Has-at-Most-One-Segment-of-Ones
1785-Minimum-Elements-to-Add-to-Form-a-Given-Sum
1786-Number-of-Restricted-Paths-From-First-to-Last-Node
1787-Make-the-XOR-of-All-Segments-Equal-to-Zero
1788-Maximize-the-Beauty-of-the-Garden
1790-Check-if-One-String-Swap-Can-Make-Strings-Equal
1791-Find-Center-of-Star-Graph
1792-Maximum-Average-Pass-Ratio
1793-Maximum-Score-of-a-Good-Subarray
1794-Count-Pairs-of-Equal-Substrings-With-Minimum-Difference
1796-Second-Largest-Digit-in-a-String
1797-Design-Authentication-Manager
1798-Maximum-Number-of-Consecutive-Values-You-Can-Make
1799-Maximize-Score-After-N-Operations
1800-Maximum-Ascending-Subarray-Sum
1801-Number-of-Orders-in-the-Backlog
1802-Maximum-Value-at-a-Given-Index-in-a-Bounded-Array
1803-Count-Pairs-With-XOR-in-a-Range
1805-Number-of-Different-Integers-in-a-String
1806-Minimum-Number-of-Operations-to-Reinitialize-a-Permutation
1807-Evaluate-the-Bracket-Pairs-of-a-String
1808-Maximize-Number-of-Nice-Divisors
1810-Minimum-Path-Cost-in-a-Hidden-Grid
1812-Determine-Color-of-a-Chessboard-Square
1813-Sentence-Similarity-III
1814-Count-Nice-Pairs-in-an-Array
1815-Maximum-Number-of-Groups-Getting-Fresh-Donuts
1817-Finding-the-Users-Active-Minutes
1818-Minimum-Absolute-Sum-Difference
1819-Number-of-Different-Subsequences-GCDs
1820-Maximum-Number-of-Accepted-Invitations
1822-Sign-of-the-Product-of-an-Array
1823-Find-the-Winner-of-the-Circular-Game
1824-Minimum-Sideway-Jumps
1827-Minimum-Operations-to-Make-the-Array-Increasing
1828-Queries-on-Number-of-Points-Inside-a-Circle
1829-Maximum-XOR-for-Each-Query
1830-Minimum-Number-of-Operations-to-Make-String-Sorted
1832-Check-if-the-Sentence-Is-Pangram
1833-Maximum-Ice-Cream-Bars
1835-Find-XOR-Sum-of-All-Pairs-Bitwise-AND
1836-Remove-Duplicates-From-an-Unsorted-Linked-List
1837-Sum-of-Digits-in-Base-K
1838-Frequency-of-the-Most-Frequent-Element
1839-Longest-Substring-Of-All-Vowels-in-Order
1840-Maximum-Building-Height
1842-Next-Palindrome-Using-Same-Digits
1844-Replace-All-Digits-with-Characters
1845-Seat-Reservation-Manager
1846-Maximum-Element-After-Decreasing-and-Rearranging
1848-Minimum-Distance-to-the-Target-Element
1849-Splitting-a-String-Into-Descending-Consecutive-Values
1850-Minimum-Adjacent-Swaps-to-Reach-the-Kth-Smallest-Number
1851-Minimum-Interval-to-Include-Each-Query
1852-Distinct-Numbers-in-Each-Subarray
1854-Maximum-Population-Year
1855-Maximum-Distance-Between-a-Pair-of-Values
1856-Maximum-Subarray-Min-Product
1857-Largest-Color-Value-in-a-Directed-Graph
1858-Longest-Word-With-All-Prefixes
1859-Sorting-the-Sentence
1860-Incremental-Memory-Leak
1862-Sum-of-Floored-Pairs
1863-Sum-of-All-Subset-XOR-Totals
1864-Minimum-Number-of-Swaps-to-Make-the-Binary-String-Alternating
1865-Finding-Pairs-With-a-Certain-Sum
1866-Number-of-Ways-to-Rearrange-Sticks-With-K-Sticks-Visible
1868-Product-of-Two-Run-Length-Encoded-Arrays
1869-Longer-Contiguous-Segments-of-Ones-than-Zeros
1870-Minimum-Speed-to-Arrive-on-Time
1874-Minimize-Product-Sum-of-Two-Arrays
1876-Substrings-of-Size-Three-with-Distinct-Characters
1877-Minimize-Maximum-Pair-Sum-in-Array
1878-Get-Biggest-Three-Rhombus-Sums-in-a-Grid
1879-Minimum-XOR-Sum-of-Two-Arrays
1880-Check-if-Word-Equals-Summation-of-Two-Words
1881-Maximum-Value-after-Insertion
1882-Process-Tasks-Using-Servers
1883-Minimum-Skips-to-Arrive-at-Meeting-On-Time
1884-Egg-Drop-With-2-Eggs-and-N-Floors
1885-Count-Pairs-in-Two-Arrays
1886-Determine-Whether-Matrix-Can-Be-Obtained-By-Rotation
1887-Reduction-Operations-to-Make-the-Array-Elements-Equal
1888-Minimum-Number-of-Flips-to-Make-the-Binary-String-Alternating
1889-Minimum-Space-Wasted-From-Packaging
1893-Check-if-All-the-Integers-in-a-Range-Are-Covered
1894-Find-the-Student-that-Will-Replace-the-Chalk
1895-Largest-Magic-Square
1896-Minimum-Cost-to-Change-the-Final-Value-of-Expression
1897-Redistribute-Characters-to-Make-All-Strings-Equal
1898-Maximum-Number-of-Removable-Characters
1899-Merge-Triplets-to-Form-Target-Triplet
1900-The-Earliest-and-Latest-Rounds-Where-Players-Compete
1901-Find-a-Peak-Element-II
1902-Depth-of-BST-Given-Insertion-Order
1903-Largest-Odd-Number-in-String
1904-The-Number-of-Full-Rounds-You-Have-Played
1909-Remove-One-Element-to-Make-the-Array-Strictly-Increasing
1910-Remove-All-Occurrences-of-a-Substring
1911-Maximum-Alternating-Subsequence-Sum
1912-Design-Movie-Rental-System
1913-Maximum-Product-Difference-Between-Two-Pairs
1914-Cyclically-Rotating-a-Grid
1915-Number-of-Wonderful-Substrings
1916-Count-Ways-to-Build-Rooms-in-an-Ant-Colony
1918-Kth-Smallest-Subarray-Sum
1920-Build-Array-from-Permutation
1921-Eliminate-Maximum-Number-of-Monsters
1923-Longest-Common-Subpath
1925-Count-Square-Sum-Triples
1926-Nearest-Exit-from-Entrance-in-Maze
1928-Minimum-Cost-to-Reach-Destination-in-Time
1929-Concatenation-of-Array
1930-Unique-Length-3-Palindromic-Subsequences
1931-Painting-a-Grid-With-Three-Different-Colors
1932-Merge-BSTs-to-Create-Single-BST
1933-Check-If-a-String-is-Decomposble-to-Value-Equal-Substrings
1935-Maximum-Number-of-Words-You-Can-Type
1936-Add-Minimum-Number-of-Rungs
1937-Maximum-Number-of-Points-with-Cost
1938-Maximum-Genetic-Difference-Query
1940-Longest-Common-Subsequence-Between-Sorted-Arrays
1941-Check-if-All-Characters-Have-Equal-Number-of-Occurrences
1942-The-Number-of-the-Smallest-Unoccupied-Chair
1943-Describe-the-Painting
1944-Number-of-Visible-People-in-a-Queue
1945-Sum-of-Digits-of-String-After-Convert
1946-Largest-Number-After-Mutating-Substring
1947-Maximum-Compatibility-Score-Sum
1948-Delete-Duplicate-Folders-in-System
1950-Maximum-of-Minimum-Values-in-All-Subarrays
1953-Maximum-Number-of-Weeks-for-Which-You-Can-Work
1954-Minimum-Garden-Perimeter-to-Collect-Enough-Apples
1955-Count-Number-of-Special-Subsequences
1956-Minimum-Time-For-K-Viruses-to-Spread
1957-Delete-Characters-to-Make-Fancy-String
1958-Check-if-Move-is-Legal
1959-Minimum-Total-Space-Wasted-With-K-Resizing-Operations
1960-Maximum-Product-of-the-Length-of-Two-Palindromic-Substrings
1961-Check-If-String-Is-a-Prefix-of-Array
1962-Remove-Stones-to-Minimize-the-Total
1963-Minimum-Number-of-Swaps-to-Make-the-String-Balanced
1964-Find-the-Longest-Valid-Obstacle-Course-at-Each-Position
1966-Binary-Searchable-Numbers-in-an-Unsorted-Array/cpp-1966
1967-Number-of-Strings-That-Appear-as-Substrings-in-Word
1968-Array-With-Elements-Not-Equal-to-Average-of-Neighbors
1969-Minimum-Non-Zero-Product-of-the-Array-Elements
1970-Last-Day-Where-You-Can-Still-Cross
1971-Find-if-Path-Exists-in-Graph
1973-Count-Nodes-Equal-to-Sum-of-Descendants
1974-Minimum-Time-to-Type-Word-Using-Special-Typewriter
1976-Number-of-Ways-to-Arrive-at-Destination
1977-Number-of-Ways-to-Separate-Numbers
1979-Find-Greatest-Common-Divisor-of-Array
1980-Find-Unique-Binary-String
1981-Minimize-the-Difference-Between-Target-and-Chosen-Elements
1982-Find-Array-Given-Subset-Sums
1983-Widest-Pair-of-Indices-With-Equal-Range-Sum
1984-Minimum-Difference-Between-Highest-and-Lowest-of-K Scores
1985-Find-the-Kth-Largest-Integer-in-the-Array
1986-Minimum-Number-of-Work-Sessions-to-Finish-the-Tasks
1987-Number-of-Unique-Good-Subsequences
1989-Maximum-Number-of-People-That-Can-Be-Caught-in-Tag
1991-Find-the-Middle-Index-in-Array
1992-Find-All-Groups-of-Farmland
1994-The-Number-of-Good-Subsets
1995-Count-Special-Quadruplets
1996-The-Number-of-Weak-Characters-in-the-Game
1997-First-Day-Where-You-Have-Been-in-All-the-Rooms
1998-GCD-Sort-of-an-Array
1999-Smallest-Greater-Multiple-Made-of-Two-Digits
2000-Reverse-Prefix-of-Word
Cracking-The-Coding-Interview
Folders and files Name Name Last commit message
Last commit date
parent directory Aug 15, 2021
Aug 15, 2021
View all files
You can’t perform that action at this time.
