## 位运算

| \# | 题名 | 题解 | 通过率 | 难度 | 出现频率   |
|------|----------------------|-----|--------|----|--------|
|421|[数组中两个数的最大异或值](https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array)   |[13](https://leetcode-cn.com/problems/maximum-xor-of-two-numbers-in-an-array/solution)|57.6%|中等|43.67%|
|411|[最短特异单词缩写](https://leetcode-cn.com/problems/minimum-unique-word-abbreviation)   |[7](https://leetcode-cn.com/problems/minimum-unique-word-abbreviation/solution)|46.8%|困难|37.67%|
|260|[只出现一次的数字 III](https://leetcode-cn.com/problems/single-number-iii)   |[32](https://leetcode-cn.com/problems/single-number-iii/solution)|68.6%|中等|37.56%|
|898|[子数组按位或操作](https://leetcode-cn.com/problems/bitwise-ors-of-subarrays)   |[7](https://leetcode-cn.com/problems/bitwise-ors-of-subarrays/solution)|25.4%|中等|33.46%|
|393|[UTF-8 编码验证](https://leetcode-cn.com/problems/utf-8-validation)   |[15](https://leetcode-cn.com/problems/utf-8-validation/solution)|37.1%|中等|31.42%|
|78|[子集](https://leetcode-cn.com/problems/subsets)   |[130](https://leetcode-cn.com/problems/subsets/solution)|75.7%|中等|30.16%|
|1131|[绝对值表达式的最大值](https://leetcode-cn.com/problems/maximum-of-absolute-value-expression)   |[14](https://leetcode-cn.com/problems/maximum-of-absolute-value-expression/solution)|36.4%|中等|28.14%|
|784|[字母大小写全排列](https://leetcode-cn.com/problems/letter-case-permutation)   |[57](https://leetcode-cn.com/problems/letter-case-permutation/solution)|61.5%|简单|23.77%|
|187|[重复的DNA序列](https://leetcode-cn.com/problems/repeated-dna-sequences)   |[25](https://leetcode-cn.com/problems/repeated-dna-sequences/solution)|43.0%|中等|22.91%|
|136|[只出现一次的数字](https://leetcode-cn.com/problems/single-number)   |[189](https://leetcode-cn.com/problems/single-number/solution)|64.5%|简单|22.67%|
|169|[多数元素](https://leetcode-cn.com/problems/majority-element)   |[160](https://leetcode-cn.com/problems/majority-element/solution)|60.8%|简单|19.79%|
|1125|[最小的必要团队](https://leetcode-cn.com/problems/smallest-sufficient-team)   |[12](https://leetcode-cn.com/problems/smallest-sufficient-team/solution)|38.7%|困难|19.32%|
|476|[数字的补数](https://leetcode-cn.com/problems/number-complement)   |[65](https://leetcode-cn.com/problems/number-complement/solution)|67.8%|简单|19.02%|
|137|[只出现一次的数字 II](https://leetcode-cn.com/problems/single-number-ii)   |[39](https://leetcode-cn.com/problems/single-number-ii/solution)|64.9%|中等|17.97%|
|201|[数字范围按位与](https://leetcode-cn.com/problems/bitwise-and-of-numbers-range)   |[20](https://leetcode-cn.com/problems/bitwise-and-of-numbers-range/solution)|44.0%|中等|17.17%|
|318|[最大单词长度乘积](https://leetcode-cn.com/problems/maximum-product-of-word-lengths)   |[16](https://leetcode-cn.com/problems/maximum-product-of-word-lengths/solution)|59.9%|中等|16.58%|
|405|[数字转换为十六进制数](https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal)   |[34](https://leetcode-cn.com/problems/convert-a-number-to-hexadecimal/solution)|49.0%|简单|16.44%|
|371|[两整数之和](https://leetcode-cn.com/problems/sum-of-two-integers)   |[33](https://leetcode-cn.com/problems/sum-of-two-integers/solution)|53.1%|简单|15.64%|
|397|[整数替换](https://leetcode-cn.com/problems/integer-replacement)   |[22](https://leetcode-cn.com/problems/integer-replacement/solution)|33.0%|中等|14.6%|
|1255|[得分最高的单词集合](https://leetcode-cn.com/problems/maximum-score-words-formed-by-letters)   |[20](https://leetcode-cn.com/problems/maximum-score-words-formed-by-letters/solution)|62.2%|困难|12.77%|
|268|[缺失数字](https://leetcode-cn.com/problems/missing-number)   |[94](https://leetcode-cn.com/problems/missing-number/solution)|53.5%|简单|11.46%|
|231|[2的幂](https://leetcode-cn.com/problems/power-of-two)   |[83](https://leetcode-cn.com/problems/power-of-two/solution)|47.2%|简单|10.58%|
|693|[交替位二进制数](https://leetcode-cn.com/problems/binary-number-with-alternating-bits)   |[26](https://leetcode-cn.com/problems/binary-number-with-alternating-bits/solution)|60.0%|简单|10.03%|
|190|[颠倒二进制位](https://leetcode-cn.com/problems/reverse-bits)   |[65](https://leetcode-cn.com/problems/reverse-bits/solution)|52.5%|简单|8.67%|
|477|[汉明距离总和](https://leetcode-cn.com/problems/total-hamming-distance)   |[11](https://leetcode-cn.com/problems/total-hamming-distance/solution)|47.4%|中等|8.36%|
|461|[汉明距离](https://leetcode-cn.com/problems/hamming-distance)   |[122](https://leetcode-cn.com/problems/hamming-distance/solution)|73.9%|简单|8.31%|
|401|[二进制手表](https://leetcode-cn.com/problems/binary-watch)   |[51](https://leetcode-cn.com/problems/binary-watch/solution)|50.8%|简单|7.62%|
|342|[4的幂](https://leetcode-cn.com/problems/power-of-four)   |[47](https://leetcode-cn.com/problems/power-of-four/solution)|47.1%|简单|7.54%|
|191|[位1的个数](https://leetcode-cn.com/problems/number-of-1-bits)   |[67](https://leetcode-cn.com/problems/number-of-1-bits/solution)|62.7%|简单|6.04%|
|338|[比特位计数](https://leetcode-cn.com/problems/counting-bits)   |[74](https://leetcode-cn.com/problems/counting-bits/solution)|73.8%|中等|5.15%|
|389|[找不同](https://leetcode-cn.com/problems/find-the-difference)   |[83](https://leetcode-cn.com/problems/find-the-difference/solution)|60.2%|简单|4.85%|
|1297|[子串的最大出现次数](https://leetcode-cn.com/problems/maximum-number-of-occurrences-of-a-substring)   |[18](https://leetcode-cn.com/problems/maximum-number-of-occurrences-of-a-substring/solution)|40.2%|中等|3.89%|
|1239|[串联字符串的最大长度](https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters)   |[39](https://leetcode-cn.com/problems/maximum-length-of-a-concatenated-string-with-unique-characters/solution)|35.8%|中等|3.53%|
|1290|[二进制链表转整数](https://leetcode-cn.com/problems/convert-binary-number-in-a-linked-list-to-integer)   |[55](https://leetcode-cn.com/problems/convert-binary-number-in-a-linked-list-to-integer/solution)|80.0%|简单| |
|1178|[猜字谜](https://leetcode-cn.com/problems/number-of-valid-words-for-each-puzzle)   |[9](https://leetcode-cn.com/problems/number-of-valid-words-for-each-puzzle/solution)|24.8%|困难| |
|1256|[加密数字](https://leetcode-cn.com/problems/encode-number)   |[11](https://leetcode-cn.com/problems/encode-number/solution)|58.4%|中等| |
|762|[二进制表示中质数个计算置位](https://leetcode-cn.com/problems/prime-number-of-set-bits-in-binary-representation)   |[22](https://leetcode-cn.com/problems/prime-number-of-set-bits-in-binary-representation/solution)|66.0%|简单| |
|756|[金字塔转换矩阵](https://leetcode-cn.com/problems/pyramid-transition-matrix)   |[10](https://leetcode-cn.com/problems/pyramid-transition-matrix/solution)|52.3%|中等| |
|751|[IP 到 CIDR](https://leetcode-cn.com/problems/ip-to-cidr)   |[5](https://leetcode-cn.com/problems/ip-to-cidr/solution)|58.8%|简单| |
|320|[列举单词的全部缩写](https://leetcode-cn.com/problems/generalized-abbreviation)   |[9](https://leetcode-cn.com/problems/generalized-abbreviation/solution)|62.5%|中等| |