湛蓝与蔚蓝
String
标题
列 1
列 2
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列 6
列 7
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Title
Solution
Time
Space
Difficulty
Tag
Note
0005
Longest Palindromic Substring
C++ Python
O(n)
O(n)
Medium
Manacher's Algorithm
0006
ZigZag Conversion
C++ Python
O(n)
O(1)
Easy
0008
String to Integer (atoi)
C++ Python
O(n)
O(1)
Easy
0014
Longest Common Prefix
C++ Python
O(n * k)
O(1)
Easy
0028
Implement strStr()
C++ Python
O(n + k)
O(k)
Easy
KMP Algorithm
0038
Count and Say
C++ Python
O(n * 2^n)
O(2^n)
Easy
0043
Multiply Strings
C++ Python
O(m * n)
O(m + n)
Medium
0058
Length of Last Word
C++ Python
O(n)
O(1)
Easy
0067
Add Binary
C++ Python
O(n)
O(1)
Easy
0068
Text Justification
C++ Python
O(n)
O(1)
Hard
0125
Valid Palindrome
C++ Python
O(n)
O(1)
Easy
0151
Reverse Words in a String
C++ Python
O(n)
O(1)
Medium
0161
One Edit Distance
C++ Python
O(m + n)
O(1)
Medium
🔒
0165
Compare Version Numbers
C++ Python
O(n)
O(1)
Easy
0186
Reverse Words in a String II
C++ Python
O(n)
O(1)
Medium
🔒
0214
Shortest Palindrome
C++ Python
O(n)
O(n)
Hard
KMP Algorithm, Manacher's Algorithm
0242
Valid Anagram
C++ Python
O(n)
O(1)
Easy
LintCode
0271
Encode and Decode Strings
C++ Python
O(n)
O(1)
Medium
🔒
0273
Integer to English Words
C++ Python
O(1)
O(1)
Hard
0306
Addictive Number
C++ Python
O(n^3)
O(n)
Medium
0383
Ransom Note
C++ Python
O(n)
O(1)
Easy
EPI
0405
Convert a Number to Hexadecimal
C++ Python
O(n)
O(1)
Easy
0408
Valid Word Abbreviation
C++ Python
O(n)
O(1)
Easy
🔒
0415
Add Strings
C++ Python
O(n)
O(1)
Easy
0420
Strong Password Checker
C++ Python
O(n)
O(1)
Hard
0434
Number of Segments in a String
C++ Python
O(n)
O(1)
Easy
0443
String Compression
C++ Python
O(n)
O(1)
Easy
0459
Repeated Substring Pattern
C++ Python
O(n)
O(n)
Easy
KMP Algorithm
0468
Validate IP Address
C++ Python
O(1)
O(1)
Medium
0481
Magical String
C++ Python
O(n)
O(n)
Medium
String
0482
License Key Formatting
C++ Python
O(n)
O(1)
Easy
0500
Keyboard Row
C++ Python
O(n)
O(1)
Easy
String, Hash
0520
Detect Capital
C++ Python
O(l)
O(1)
Easy
0521
Longest Uncommon Subsequence I
C++ Python
O(min(a, b))
O(1)
Easy
0522
Longest Uncommon Subsequence II
C++ Python
O(l * n^2)
O(1)
Medium
Sort
0524
Longest Word in Dictionary through Deleting
C++ Python
O((d * l) * logd)
O(1)
Medium
Sort
0527
Word Abbreviation
C++ Python
O(n * l) ~ O(n^2 * l^2)
O(n * l)
Hard
🔒
0539
Minimum Time Difference
C++ Python
O(nlogn)
O(n)
Medium
0541
Reverse String II
C++ Python
O(n)
O(1)
Easy
0551
Student Attendance Record I
C++ Python
O(n)
O(1)
Easy
0555
Split Concatenated Strings
C++ Python
O(n^2)
O(n)
Medium
String
0556
Next Greater Element III
C++ Python
O(1)
O(1)
Medium
0557
Reverse Words in a String III
C++ Python
O(n)
O(1)
Easy
0564
Find the Closest Palindrome
C++ Python
O(l)
O(l)
Hard
0591
Tag Validator
C++ Python
O(n)
O(n)
Hard
0616
Add Bold Tag in String
C++ Python
O(n * d * l)
O(n)
Medium
🔒
0647
Palindromic Substrings
C++ Python
O(n)
O(n)
Medium
Manacher's Algorithm
0648
Replace Words
C++ Python
O(n)
O(t)
Medium
Trie
0657
Robot Return to Origin
C++ Python
O(n)
O(1)
Easy
0678
Valid Parenthesis String
C++ Python
O(n)
O(1)
Medium
0680
Valid Palindrome II
C++ Python
O(n)
O(1)
Easy
0681
Next Closest Time
C++ Python
O(1)
O(1)
Medium
0686
Repeated String Match
C++ Python
O(n + m)
O(1)
Easy
Rabin-Karp Algorithm
0696
Count Binary Substrings
C++ Python
O(n)
O(1)
Easy
0709
To Lower Case
C++ Python
O(n)
O(1)
Easy
String
0720
Longest Word in Dictionary
C++ Python
O(n)
O(t)
Easy
Trie
0722
Remove Comments
C++ Python
O(n)
O(k)
Medium
0751
IP to CIDR
C++ Python
O(n)
O(1)
Medium
0758
Bold Words in String
C++ Python
O(n * l)
O(t)
Easy
🔒, variant of Add Bold Tag in String
0791
Custom Sort String
C++ Python
O(n)
O(1)
Medium
0796
Rotate String
C++ Python
O(n)
O(1)
Easy
KMP Algorithm, Rabin-Karp Algorithm
0804
Unique Morse Code Words
C++ Python
O(n)
O(n)
Easy
0806
Number of Lines To Write String
C++ Python
O(n)
O(1)
Easy
0809
Expressive Words
C++ Python
O(n + s)
O(l + s)
Medium
0816
Ambiguous Coordinates
C++ Python
O(n^4)
O(n)
Medium
0819
Most Common Word
C++ Python
O(m + n)
O(m + n)
Easy
0820
Short Encoding of Words
C++ Python
O(n)
O(t)
Medium
Trie
0824
Goat Latin
C++ Python
O(n + w^2)
O(l)
Easy
0831
Masking Personal Information
C++ Python
O(1)
O(1)
Medium
0833
Find And Replace in String
C++ Python
O(n + m)
O(n)
Medium
0839
Similar String Groups
C++ Python
O(n^2 * l)
O(n)
Hard
Union Find
0848
Shifting Letters
C++ Python
O(n)
O(1)
Medium
0859
Buddy Strings
C++ Python
O(n)
O(1)
Easy
0880
Decoded String at Index
C++ Python
O(n)
O(1)
Medium
0884
Uncommon Words from Two Sentences
C++ Python
O(m + n)
O(m + n)
Easy
0890
Find and Replace Pattern
C++ Python
O(n * l)
O(1)
Medium
0893
Groups of Special-Equivalent Strings
C++ Python
O(n * l)
O(n)
Easy
0916
Word Subsets
C++ Python
O(m + n)
O(1)
Medium
0917
Reverse Only Letters
C++ Python
O(n)
O(1)
Easy
0925
Long Pressed Name
C++ Python
O(n)
O(1)
Easy
0929
Unique Email Addresses
C++ Python
O(n * l)
O(n * l)
Easy
0939
Minimum Area Rectangle
C++ Python
O(n^1.5) on average
O(n)
Medium
0942
DI String Match
C++ Python
O(n)
O(1)
Easy
0944
Delete Columns to Make Sorted
C++ Python
O(n * l)
O(1)
Medium
0953
Verifying an Alien Dictionary
C++ Python
O(n * l)
O(1)
Easy
0955
Delete Columns to Make Sorted II
C++ Python
O(n * l)
O(n)
Medium
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