Bit Manipulation

40 problems — 20 easy, 19 medium, 1 hard.

#	Title	Difficulty	Frequency
29	Divide Two Integers	medium	frequently asked
78	Subsets	medium	foundational
89	Gray Code	medium	less common
136	Single Number	easy	foundational
137	Single Number II	medium	frequently asked
187	Repeated DNA Sequences	medium	less common
190	Reverse Bits	easy	foundational
191	Number of 1 Bits	easy	foundational
201	Bitwise AND of Numbers Range	medium	frequently asked
231	Power of Two	easy	foundational
260	Single Number III	medium	frequently asked
268	Missing Number	easy	foundational
287	Find the Duplicate Number	medium	frequently asked
318	Maximum Product of Word Lengths	medium	frequently asked
338	Counting Bits	easy	frequently asked
342	Power of Four	easy	foundational
371	Sum of Two Integers	medium	frequently asked
389	Find the Difference	easy	foundational
401	Binary Watch	easy	less common
405	Convert a Number to Hexadecimal	easy	less common
421	Maximum XOR of Two Numbers in an Array	medium	frequently asked
461	Hamming Distance	easy	foundational
477	Total Hamming Distance	medium	frequently asked
526	Beautiful Arrangement	medium	less common
540	Single Element in a Sorted Array	medium	frequently asked
696	Count Binary Substrings	easy	less common
762	Prime Number of Set Bits in Binary Representation	easy	less common
784	Letter Case Permutation	medium	frequently asked
832	Flipping an Image	easy	less common
847	Shortest Path Visiting All Nodes	hard	less common
898	Bitwise ORs of Subarrays	medium	less common
1013	Partition Array Into Three Parts With Equal Sum	easy	less common
1290	Convert Binary Number in a Linked List to Integer	easy	foundational
1310	XOR Queries of a Subarray	medium	frequently asked
1346	Check If N and Its Double Exist	easy	less common
1356	Sort Integers by The Number of 1 Bits	easy	less common
1486	XOR Operation in an Array	easy	less common
1502	Can Make Arithmetic Progression From Sequence	easy	less common
1702	Maximum Binary String After Change	medium	less common
1734	Decode XORed Permutation	medium	less common