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Bit Manipulation

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All Bit Manipulation problems

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Problems

⊣ 29 Divide Two Integers
⊣ 67 Add Binary
⊣ 78 Subsets
⊣ 89 Gray Code
⊣ 90 Subsets II
⊣ 136 Single Number
⊣ 137 Single Number II
⊣ 187 Repeated DNA Sequences
⊣ 190 Reverse Bits
⊣ 191 Number of 1 Bits
⊣ 201 Bitwise AND of Numbers Range
⊣ 222 Count Complete Tree Nodes
⊣ 231 Power of Two
⊣ 260 Single Number III
⊣ 268 Missing Number
⊣ 287 Find the Duplicate Number
⊣ 318 Maximum Product of Word Lengths
⊣ 338 Counting Bits
⊣ 342 Power of Four
⊣ 371 Sum of Two Integers
⊣ 389 Find the Difference
⊣ 393 UTF-8 Validation
⊣ 397 Integer Replacement
⊣ 401 Binary Watch
⊣ 405 Convert a Number to Hexadecimal
⊣ 421 Maximum XOR of Two Numbers in an Array
⊣ 461 Hamming Distance
⊣ 464 Can I Win
⊣ 473 Matchsticks to Square
⊣ 476 Number Complement
⊣ 477 Total Hamming Distance
⊣ 491 Non-decreasing Subsequences
⊣ 526 Beautiful Arrangement
⊣ 638 Shopping Offers
⊣ 645 Set Mismatch
⊣ 672 Bulb Switcher II
⊣ 691 Stickers to Spell Word
⊣ 693 Binary Number with Alternating Bits
⊣ 698 Partition to K Equal Sum Subsets
⊣ 756 Pyramid Transition Matrix
⊣ 762 Prime Number of Set Bits in Binary Representation
⊣ 779 K-th Symbol in Grammar
⊣ 782 Transform to Chessboard
⊣ 784 Letter Case Permutation
⊣ 805 Split Array With Same Average
⊣ 810 Chalkboard XOR Game
⊣ 832 Flipping an Image
⊣ 847 Shortest Path Visiting All Nodes
⊣ 861 Score After Flipping Matrix
⊣ 864 Shortest Path to Get All Keys
⊣ 868 Binary Gap
⊣ 898 Bitwise ORs of Subarrays
⊣ 943 Find the Shortest Superstring
⊣ 957 Prison Cells After N Days
⊣ 980 Unique Paths III
⊣ 982 Triples with Bitwise AND Equal To Zero
⊣ 995 Minimum Number of K Consecutive Bit Flips
⊣ 996 Number of Squareful Arrays
⊣ 1009 Complement of Base 10 Integer
⊣ 1016 Binary String With Substrings Representing 1 To N
⊣ 1018 Binary Prefix Divisible By 5
⊣ 1125 Smallest Sufficient Team
⊣ 1177 Can Make Palindrome from Substring
⊣ 1178 Number of Valid Words for Each Puzzle
⊣ 1238 Circular Permutation in Binary Representation
⊣ 1239 Maximum Length of a Concatenated String with Unique Characters
⊣ 1255 Maximum Score Words Formed by Letters
⊣ 1284 Minimum Number of Flips to Convert Binary Matrix to Zero Matrix
⊣ 1310 XOR Queries of a Subarray
⊣ 1318 Minimum Flips to Make a OR b Equal to c
⊣ 1342 Number of Steps to Reduce a Number to Zero
⊣ 1349 Maximum Students Taking Exam
⊣ 1356 Sort Integers by The Number of 1 Bits
⊣ 1371 Find the Longest Substring Containing Vowels in Even Counts
⊣ 1386 Cinema Seat Allocation
⊣ 1404 Number of Steps to Reduce a Number in Binary Representation to One
⊣ 1434 Number of Ways to Wear Different Hats to Each Other
⊣ 1442 Count Triplets That Can Form Two Arrays of Equal XOR
⊣ 1457 Pseudo-Palindromic Paths in a Binary Tree
⊣ 1461 Check If a String Contains All Binary Codes of Size K
⊣ 1483 Kth Ancestor of a Tree Node
⊣ 1486 XOR Operation in an Array
⊣ 1494 Parallel Courses II
⊣ 1521 Find a Value of a Mysterious Function Closest to Target
⊣ 1525 Number of Good Ways to Split a String
⊣ 1542 Find Longest Awesome Substring
⊣ 1558 Minimum Numbers of Function Calls to Make Target Array
⊣ 1595 Minimum Cost to Connect Two Groups of Points
⊣ 1601 Maximum Number of Achievable Transfer Requests
⊣ 1611 Minimum One Bit Operations to Make Integers Zero
⊣ 1617 Count Subtrees With Max Distance Between Cities
⊣ 1655 Distribute Repeating Integers
⊣ 1659 Maximize Grid Happiness
⊣ 1680 Concatenation of Consecutive Binary Numbers
⊣ 1681 Minimum Incompatibility
⊣ 1684 Count the Number of Consistent Strings (PRO)
⊣ 1707 Maximum XOR With an Element From Array (PRO)
⊣ 1720 Decode XORed Array
⊣ 1723 Find Minimum Time to Finish All Jobs
⊣ 1734 Decode XORed Permutation
⊣ 1738 Find Kth Largest XOR Coordinate Value (PRO)
⊣ 1755 Closest Subsequence Sum
⊣ 1763 Longest Nice Substring (PRO)
⊣ 1787 Make the XOR of All Segments Equal to Zero
⊣ 1799 Maximize Score After N Operations
⊣ 1803 Count Pairs With XOR in a Range (PRO)
⊣ 1815 Maximum Number of Groups Getting Fresh Donuts
⊣ 1829 Maximum XOR for Each Query
⊣ 1835 Find XOR Sum of All Pairs Bitwise AND
⊣ 1863 Sum of All Subset XOR Totals
⊣ 1879 Minimum XOR Sum of Two Arrays
⊣ 1915 Number of Wonderful Substrings
⊣ 1930 Unique Length-3 Palindromic Subsequences (PRO)
⊣ 1938 Maximum Genetic Difference Query (PRO)
⊣ 1947 Maximum Compatibility Score Sum
⊣ 1986 Minimum Number of Work Sessions to Finish the Tasks
⊣ 1994 The Number of Good Subsets
⊣ 2002 Maximum Product of the Length of Two Palindromic Subsequences
⊣ 2032 Two Out of Three
⊣ 2035 Partition Array Into Two Arrays to Minimize Sum Difference
⊣ 2044 Count Number of Maximum Bitwise-OR Subsets
⊣ 2135 Count Words Obtained After Adding a Letter
⊣ 2151 Maximum Good People Based on Statements
⊣ 2157 Groups of Strings (PRO)
⊣ 2172 Maximum AND Sum of Array
⊣ 2206 Divide Array Into Equal Pairs
⊣ 2212 Maximum Points in an Archery Competition
⊣ 2220 Minimum Bit Flips to Convert Number
⊣ 2275 Largest Combination With Bitwise AND Greater Than Zero
⊣ 2305 Fair Distribution of Cookies
⊣ 2306 Naming a Company
⊣ 2317 Maximum XOR After Operations
⊣ 2322 Minimum Score After Removals on a Tree
⊣ 2351 First Letter to Appear Twice
⊣ 2354 Number of Excellent Pairs
⊣ 2397 Maximum Rows Covered by Columns
⊣ 2401 Longest Nice Subarray
⊣ 2411 Smallest Subarrays With Maximum Bitwise OR
⊣ 2419 Longest Subarray With Maximum Bitwise AND
⊣ 2425 Bitwise XOR of All Pairings
⊣ 2429 Minimize XOR
⊣ 2433 Find The Original Array of Prefix Xor
⊣ 2438 Range Product Queries of Powers
⊣ 2506 Count Pairs Of Similar Strings
⊣ 2527 Find Xor-Beauty of Array
⊣ 2546 Apply Bitwise Operations to Make Strings Equal
⊣ 2564 Substring XOR Queries (PRO)
⊣ 2568 Minimum Impossible OR
⊣ 2571 Minimum Operations to Reduce an Integer to 0
⊣ 2572 Count the Number of Square-Free Subsets
⊣ 2588 Count the Number of Beautiful Subarrays
⊣ 2595 Number of Even and Odd Bits
⊣ 2657 Find the Prefix Common Array of Two Arrays
⊣ 2680 Maximum OR
⊣ 2683 Neighboring Bitwise XOR
⊣ 2708 Maximum Strength of a Group
⊣ 2732 Find a Good Subset of the Matrix
⊣ 2741 Special Permutations
⊣ 2749 Minimum Operations to Make the Integer Zero
⊣ 2791 Count Paths That Can Form a Palindrome in a Tree
⊣ 2835 Minimum Operations to Form Subsequence With Target Sum
⊣ 2836 Maximize Value of Function in a Ball Passing Game
⊣ 2850 Minimum Moves to Spread Stones Over Grid
⊣ 2857 Count Pairs of Points With Distance k
⊣ 2859 Sum of Values at Indices With K Set Bits
⊣ 2869 Minimum Operations to Collect Elements
⊣ 2871 Split Array Into Maximum Number of Subarrays
⊣ 2897 Apply Operations on Array to Maximize Sum of Squares
⊣ 2917 Find the K-or of an Array
⊣ 2920 Maximum Points After Collecting Coins From All Nodes
⊣ 2932 Maximum Strong Pair XOR I
⊣ 2935 Maximum Strong Pair XOR II
⊣ 2939 Maximum Xor Product
⊣ 2959 Number of Possible Sets of Closing Branches
⊣ 2980 Check if Bitwise OR Has Trailing Zeros
⊣ 2997 Minimum Number of Operations to Make Array XOR Equal to K
⊣ 3003 Maximize the Number of Partitions After Operations
⊣ 3007 Maximum Number That Sum of the Prices Is Less Than or Equal to K
⊣ 3011 Find if Array Can Be Sorted
⊣ 3022 Minimize OR of Remaining Elements Using Operations
⊣ 3068 Find the Maximum Sum of Node Values
⊣ 3095 Shortest Subarray With OR at Least K I
⊣ 3097 Shortest Subarray With OR at Least K II
⊣ 3108 Minimum Cost Walk in Weighted Graph
⊣ 3116 Kth Smallest Amount With Single Denomination Combination
⊣ 3117 Minimum Sum of Values by Dividing Array
⊣ 3133 Minimum Array End
⊣ 3145 Find Products of Elements of Big Array
⊣ 3149 Find the Minimum Cost Array Permutation
⊣ 3154 Find Number of Ways to Reach the K-th Stair
⊣ 3158 Find the XOR of Numbers Which Appear Twice
⊣ 3171 Find Subarray With Bitwise OR Closest to K
⊣ 3181 Maximum Total Reward Using Operations II
⊣ 3191 Minimum Operations to Make Binary Array Elements Equal to One I
⊣ 3209 Number of Subarrays With AND Value of K
⊣ 3211 Generate Binary Strings Without Adjacent Zeros (PRO)
⊣ 3226 Number of Bit Changes to Make Two Integers Equal
⊣ 3276 Select Cells in Grid With Maximum Score
⊣ 3283 Maximum Number of Moves to Kill All Pawns
⊣ 3287 Find the Maximum Sequence Value of Array
⊣ 3304 Find the K-th Character in String Game I
⊣ 3307 Find the K-th Character in String Game II
⊣ 3309 Maximum Possible Number by Binary Concatenation
⊣ 3314 Construct the Minimum Bitwise Array I
⊣ 3315 Construct the Minimum Bitwise Array II
⊣ 3370 Smallest Number With All Set Bits
⊣ 3376 Minimum Time to Break Locks I
⊣ 3393 Count Paths With the Given XOR Value
⊣ 3435 Frequencies of Shortest Supersequences
⊣ 3444 Minimum Increments for Target Multiples in an Array
⊣ 3495 Minimum Operations to Make Array Elements Zero
⊣ 3513 Number of Unique XOR Triplets I
⊣ 3514 Number of Unique XOR Triplets II
⊣ 3530 Maximum Profit from Valid Topological Order in DAG
⊣ 3533 Concatenated Divisibility
⊣ 3534 Path Existence Queries in a Graph II
⊣ 3539 Find Sum of Array Product of Magical Sequences
⊣ 3553 Minimum Weighted Subgraph With the Required Paths II
⊣ 3559 Number of Ways to Assign Edge Weights II
⊣ 3566 Partition Array into Two Equal Product Subsets
⊣ 3568 Minimum Moves to Clean the Classroom
⊣ 3575 Maximum Good Subtree Score
⊣ 3585 Find Weighted Median Node in Tree
⊣ 3594 Minimum Time to Transport All Individuals
⊣ 3599 Partition Array to Minimize XOR
⊣ 3615 Longest Palindromic Path in Graph
⊣ 3621 Number of Integers With Popcount-Depth Equal to K I
⊣ 3630 Partition Array for Maximum XOR and AND
⊣ 3644 Maximum K to Sort a Permutation
⊣ 3646 Next Special Palindrome Number
⊣ 3670 Maximum Product of Two Integers With No Common Bits
⊣ 3674 Minimum Operations to Equalize Array
⊣ 3677 Count Binary Palindromic Numbers
⊣ 3681 Maximum XOR of Subsequences
⊣ 3688 Bitwise OR of Even Numbers in an Array
⊣ 3702 Longest Subsequence With Non-Zero Bitwise XOR
⊣ 3750 Minimum Number of Flips to Reverse Binary String
⊣ 3755 Find Maximum Balanced XOR Subarray Length
⊣ 3757 Number of Effective Subsequences
⊣ 3766 Minimum Operations to Make Binary Palindrome
⊣ 3801 Minimum Cost to Merge Sorted Lists
⊣ 3806 Maximum Bitwise AND After Increment Operations
⊣ 3811 Number of Alternating XOR Partitions
⊣ 3821 Find Nth Smallest Integer With K One Bits
⊣ 3825 Longest Strictly Increasing Subsequence With Non-Zero Bitwise AND
⊣ 3827 Count Monobit Integers
⊣ 3845 Maximum Subarray XOR with Bounded Range
⊣ 3849 Maximum Bitwise XOR After Rearrangement