String

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# Title Acceptance Difficulty
647 Palindromic Substrings 57.8% Medium
635 Design Log Storage System 46.3% Medium
632 Smallest Range 42.6% Hard
616 Add Bold Tag in String 37.1% Medium
609 Find Duplicate File in System 53.3% Medium
606 Construct String from Binary Tree 51.1% Easy
591 Tag Validator 26.8% Hard
583 Delete Operation for Two Strings 44.0% Medium
564 Find the Closest Palindrome 16.7% Hard
557 Reverse Words in a String III 59.8% Easy
556 Next Greater Element III 28.6% Medium
555 Split Concatenated Strings 34.0% Medium
553 Optimal Division 55.0% Medium
551 Student Attendance Record I 43.6% Easy
544 Output Contest Matches 72.5% Medium
541 Reverse String II 43.9% Easy
539 Minimum Time Difference 45.5% Medium
537 Complex Number Multiplication 64.5% Medium
536 Construct Binary Tree from String 40.2% Medium
527 Word Abbreviation 39.7% Hard
522 Longest Uncommon Subsequence II 30.6% Medium
521 Longest Uncommon Subsequence I 54.9% Easy
520 Detect Capital 52.0% Easy
468 Validate IP Address 20.7% Medium
459 Repeated Substring Pattern 38.1% Easy
434 Number of Segments in a String 36.8% Easy
408 Valid Word Abbreviation 27.9% Easy
385 Mini Parser 30.4% Medium
383 Ransom Note 47.1% Easy
345 Reverse Vowels of a String 38.4% Easy
344 Reverse String 59.0% Easy
340 Longest Substring with At Most K Distinct Characters 38.6% Hard
336 Palindrome Pairs 26.0% Hard
293 Flip Game 55.6% Easy
273 Integer to English Words 22.0% Hard
271 Encode and Decode Strings 26.1% Medium
249 Group Shifted Strings 41.1% Medium
227 Basic Calculator II 29.1% Medium
214 Shortest Palindrome 24.1% Hard
186 Reverse Words in a String II 27.6% Medium
165 Compare Version Numbers 20.0% Medium
161 One Edit Distance 31.2% Medium
159 Longest Substring with At Most Two Distinct Characters 41.0% Hard
158 Read N Characters Given Read4 II - Call multiple times 24.2% Hard
157 Read N Characters Given Read4 29.0% Easy
151 Reverse Words in a String 15.7% Medium
126 Word Ladder II 14.1% Hard
125 Valid Palindrome 26.1% Easy
115 Distinct Subsequences 31.4% Hard
97 Interleaving String 24.5% Hard
93 Restore IP Addresses 27.1% Medium
91 Decode Ways 19.5% Medium
87 Scramble String 29.1% Hard
76 Minimum Window Substring 25.1% Hard
72 Edit Distance 31.6% Hard
71 Simplify Path 25.1% Medium
68 Text Justification 18.9% Hard
67 Add Binary 32.2% Easy
65 Valid Number 12.7% Hard
58 Length of Last Word 31.8% Easy
49 Group Anagrams 34.4% Medium
44 Wildcard Matching 19.9% Hard
43 Multiply Strings 27.0% Medium
38 Count and Say 34.4% Easy
32 Longest Valid Parentheses 23.0% Hard
30 Substring with Concatenation of All Words 21.9% Hard
28 Implement strStr() 28.0% Easy
22 Generate Parentheses 44.6% Medium
20 Valid Parentheses 33.3% Easy
17 Letter Combinations of a Phone Number 34.3% Medium
14 Longest Common Prefix 31.4% Easy
13 Roman to Integer 45.5% Easy
12 Integer to Roman 44.5% Medium
10 Regular Expression Matching 24.1% Hard
8 String to Integer (atoi) 14.0% Medium
6 ZigZag Conversion 26.7% Medium
5 Longest Palindromic Substring 25.2% Medium
3 Longest Substring Without Repeating Characters 24.3% Medium
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