String #

No.	Title	Solution	Difficulty	TimeComplexity	SpaceComplexity	Favorite	Acceptance
0003	Longest Substring Without Repeating Characters	Go	Medium	O(n)	O(1)	❤️	33.8%
0005	Longest Palindromic Substring	Go	Medium				32.4%
0006	Zigzag Conversion	Go	Medium				44.8%
0008	String to Integer (atoi)	Go	Medium				16.6%
0012	Integer to Roman	Go	Medium				62.0%
0013	Roman to Integer	Go	Easy				58.5%
0014	Longest Common Prefix	Go	Easy				40.9%
0017	Letter Combinations of a Phone Number	Go	Medium	O(log n)	O(1)		56.5%
0020	Valid Parentheses	Go	Easy	O(log n)	O(1)		40.2%
0022	Generate Parentheses	Go	Medium	O(log n)	O(1)		72.5%
0028	Find the Index of the First Occurrence in a String	Go	Easy	O(n)	O(1)		39.0%
0030	Substring with Concatenation of All Words	Go	Hard	O(n)	O(n)	❤️	31.2%
0032	Longest Valid Parentheses	Go	Hard				32.8%
0043	Multiply Strings	Go	Medium				39.2%
0049	Group Anagrams	Go	Medium	O(n log n)	O(n)		66.7%
0058	Length of Last Word	Go	Easy				42.8%
0065	Valid Number	Go	Hard				18.7%
0067	Add Binary	Go	Easy				52.4%
0071	Simplify Path	Go	Medium	O(n)	O(n)		39.3%
0076	Minimum Window Substring	Go	Hard	O(n)	O(n)	❤️	40.9%
0091	Decode Ways	Go	Medium	O(n)	O(n)		32.7%
0093	Restore IP Addresses	Go	Medium	O(n)	O(n)	❤️	47.4%
0097	Interleaving String	Go	Medium				37.3%
0115	Distinct Subsequences	Go	Hard				44.4%
0125	Valid Palindrome	Go	Easy	O(n)	O(1)		44.3%
0126	Word Ladder II	Go	Hard	O(n)	O(n^2)	❤️	27.5%
0127	Word Ladder	Go	Hard				37.1%
0131	Palindrome Partitioning	Go	Medium				64.8%
0151	Reverse Words in a String	Go	Medium				32.7%
0168	Excel Sheet Column Title	Go	Easy				35.5%
0171	Excel Sheet Column Number	Go	Easy				62.0%
0179	Largest Number	Go	Medium				34.5%
0187	Repeated DNA Sequences	Go	Medium				46.9%
0205	Isomorphic Strings	Go	Easy				42.9%
0208	Implement Trie (Prefix Tree)	Go	Medium				62.7%
0211	Design Add and Search Words Data Structure	Go	Medium				44.0%
0212	Word Search II	Go	Hard				36.4%
0224	Basic Calculator	Go	Hard				42.4%
0227	Basic Calculator II	Go	Medium				42.4%
0242	Valid Anagram	Go	Easy				63.0%
0257	Binary Tree Paths	Go	Easy				61.4%
0290	Word Pattern	Go	Easy				41.7%
0297	Serialize and Deserialize Binary Tree	Go	Hard				55.4%
0299	Bulls and Cows	Go	Medium				49.4%
0301	Remove Invalid Parentheses	Go	Hard				47.2%
0306	Additive Number	Go	Medium				31.1%
0318	Maximum Product of Word Lengths	Go	Medium				59.9%
0331	Verify Preorder Serialization of a Binary Tree	Go	Medium				44.6%
0344	Reverse String	Go	Easy	O(n)	O(1)		76.7%
0345	Reverse Vowels of a String	Go	Easy	O(n)	O(1)		50.1%
0383	Ransom Note	Go	Easy				58.2%
0385	Mini Parser	Go	Medium				36.9%
0387	First Unique Character in a String	Go	Easy				59.6%
0389	Find the Difference	Go	Easy				59.9%
0392	Is Subsequence	Go	Easy				47.6%
0394	Decode String	Go	Medium				57.9%
0395	Longest Substring with At Least K Repeating Characters	Go	Medium				44.8%
0402	Remove K Digits	Go	Medium				30.6%
0409	Longest Palindrome	Go	Easy				54.2%
0412	Fizz Buzz	Go	Easy				69.9%
0423	Reconstruct Original Digits from English	Go	Medium				51.3%
0424	Longest Repeating Character Replacement	Go	Medium				51.9%
0433	Minimum Genetic Mutation	Go	Medium				52.3%
0434	Number of Segments in a String	Go	Easy				37.2%
0438	Find All Anagrams in a String	Go	Medium				50.2%
0451	Sort Characters By Frequency	Go	Medium				70.1%
0474	Ones and Zeroes	Go	Medium				46.8%
0488	Zuma Game	Go	Hard				33.9%
0500	Keyboard Row	Go	Easy				69.5%
0520	Detect Capital	Go	Easy				57.0%
0524	Longest Word in Dictionary through Deleting	Go	Medium				51.0%
0535	Encode and Decode TinyURL	Go	Medium				85.9%
0537	Complex Number Multiplication	Go	Medium				71.4%
0541	Reverse String II	Go	Easy				50.5%
0551	Student Attendance Record I	Go	Easy				48.2%
0557	Reverse Words in a String III	Go	Easy				81.9%
0567	Permutation in String	Go	Medium				44.3%
0583	Delete Operation for Two Strings	Go	Medium				59.8%
0599	Minimum Index Sum of Two Lists	Go	Easy				53.4%
0609	Find Duplicate File in System	Go	Medium				67.7%
0647	Palindromic Substrings	Go	Medium				66.8%
0648	Replace Words	Go	Medium				62.7%
0676	Implement Magic Dictionary	Go	Medium				57.0%
0677	Map Sum Pairs	Go	Medium				56.8%
0692	Top K Frequent Words	Go	Medium				57.2%
0696	Count Binary Substrings	Go	Easy				65.5%
0709	To Lower Case	Go	Easy				82.4%
0720	Longest Word in Dictionary	Go	Medium				52.0%
0721	Accounts Merge	Go	Medium				56.3%
0726	Number of Atoms	Go	Hard				52.1%
0745	Prefix and Suffix Search	Go	Hard				41.2%
0748	Shortest Completing Word	Go	Easy				59.3%
0752	Open the Lock	Go	Medium				55.6%
0763	Partition Labels	Go	Medium				79.7%
0767	Reorganize String	Go	Medium	O(n log n)	O(log n)	❤️	52.9%
0771	Jewels and Stones	Go	Easy				88.2%
0784	Letter Case Permutation	Go	Medium				73.8%
0791	Custom Sort String	Go	Medium				69.1%
0792	Number of Matching Subsequences	Go	Medium				51.6%
0794	Valid Tic-Tac-Toe State	Go	Medium				35.1%
0811	Subdomain Visit Count	Go	Medium				75.5%
0816	Ambiguous Coordinates	Go	Medium				56.3%
0819	Most Common Word	Go	Easy				44.8%
0820	Short Encoding of Words	Go	Medium				60.6%
0821	Shortest Distance to a Character	Go	Easy				71.3%
0828	Count Unique Characters of All Substrings of a Given String	Go	Hard				51.6%
0830	Positions of Large Groups	Go	Easy				51.8%
0838	Push Dominoes	Go	Medium				57.0%
0839	Similar String Groups	Go	Hard				48.0%
0842	Split Array into Fibonacci Sequence	Go	Medium	O(n^2)	O(1)	❤️	38.4%
0844	Backspace String Compare	Go	Easy				48.1%
0856	Score of Parentheses	Go	Medium	O(n)	O(n)		64.8%
0859	Buddy Strings	Go	Easy				29.2%
0880	Decoded String at Index	Go	Medium				28.3%
0884	Uncommon Words from Two Sentences	Go	Easy				66.3%
0890	Find and Replace Pattern	Go	Medium				77.6%
0916	Word Subsets	Go	Medium				53.7%
0921	Minimum Add to Make Parentheses Valid	Go	Medium				75.8%
0925	Long Pressed Name	Go	Easy	O(n)	O(1)		33.1%
0942	DI String Match	Go	Easy				77.3%
0949	Largest Time for Given Digits	Go	Medium				35.2%
0953	Verifying an Alien Dictionary	Go	Easy				54.5%
0966	Vowel Spellchecker	Go	Medium				51.4%
0981	Time Based Key-Value Store	Go	Medium				52.3%
0984	String Without AAA or BBB	Go	Medium				43.1%
0990	Satisfiability of Equality Equations	Go	Medium				50.5%
1002	Find Common Characters	Go	Easy				68.5%
1003	Check If Word Is Valid After Substitutions	Go	Medium	O(n)	O(1)		58.2%
1021	Remove Outermost Parentheses	Go	Easy				80.6%
1028	Recover a Tree From Preorder Traversal	Go	Hard				73.3%
1047	Remove All Adjacent Duplicates In String	Go	Easy				69.7%
1048	Longest String Chain	Go	Medium				59.2%
1078	Occurrences After Bigram	Go	Easy				63.6%
1079	Letter Tile Possibilities	Go	Medium				76.0%
1108	Defanging an IP Address	Go	Easy				89.1%
1111	Maximum Nesting Depth of Two Valid Parentheses Strings	Go	Medium				73.0%
1143	Longest Common Subsequence	Go	Medium				58.4%
1154	Day of the Year	Go	Easy				49.6%
1160	Find Words That Can Be Formed by Characters	Go	Easy				67.5%
1170	Compare Strings by Frequency of the Smallest Character	Go	Medium				61.5%
1178	Number of Valid Words for Each Puzzle	Go	Hard				46.3%
1189	Maximum Number of Balloons	Go	Easy				61.0%
1190	Reverse Substrings Between Each Pair of Parentheses	Go	Medium				65.9%
1202	Smallest String With Swaps	Go	Medium				57.7%
1208	Get Equal Substrings Within Budget	Go	Medium				48.5%
1209	Remove All Adjacent Duplicates in String II	Go	Medium				56.2%
1221	Split a String in Balanced Strings	Go	Easy				85.1%
1234	Replace the Substring for Balanced String	Go	Medium				37.2%
1239	Maximum Length of a Concatenated String with Unique Characters	Go	Medium				52.2%
1249	Minimum Remove to Make Valid Parentheses	Go	Medium				65.8%
1268	Search Suggestions System	Go	Medium				66.2%
1332	Remove Palindromic Subsequences	Go	Easy				76.2%
1396	Design Underground System	Go	Medium				73.6%
1446	Consecutive Characters	Go	Easy				61.2%
1455	Check If a Word Occurs As a Prefix of Any Word in a Sentence	Go	Easy				64.2%
1461	Check If a String Contains All Binary Codes of Size K	Go	Medium				56.6%
1573	Number of Ways to Split a String	Go	Medium				32.5%
1576	Replace All ?’s to Avoid Consecutive Repeating Characters	Go	Easy				48.3%
1614	Maximum Nesting Depth of the Parentheses	Go	Easy				82.3%
1624	Largest Substring Between Two Equal Characters	Go	Easy				59.1%
1629	Slowest Key	Go	Easy				59.2%
1647	Minimum Deletions to Make Character Frequencies Unique	Go	Medium				59.1%
1653	Minimum Deletions to Make String Balanced	Go	Medium				58.9%
1657	Determine if Two Strings Are Close	Go	Medium				56.3%
1662	Check If Two String Arrays are Equivalent	Go	Easy				83.5%
1663	Smallest String With A Given Numeric Value	Go	Medium				66.8%
1668	Maximum Repeating Substring	Go	Easy				39.5%
1678	Goal Parser Interpretation	Go	Easy				86.5%
1684	Count the Number of Consistent Strings	Go	Easy				82.2%
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	Go	Medium				89.2%
1694	Reformat Phone Number	Go	Easy				65.1%
1704	Determine if String Halves Are Alike	Go	Easy				77.7%
1736	Latest Time by Replacing Hidden Digits	Go	Easy				42.4%
1758	Minimum Changes To Make Alternating Binary String	Go	Easy				58.3%
1763	Longest Nice Substring	Go	Easy				61.6%
1816	Truncate Sentence	Go	Easy				83.0%
2038	Remove Colored Pieces if Both Neighbors are the Same Color	Go	Medium				57.9%
2096	Step-By-Step Directions From a Binary Tree Node to Another	Go	Medium				48.4%
2167	Minimum Time to Remove All Cars Containing Illegal Goods	Go	Hard				40.7%
2182	Construct String With Repeat Limit	Go	Medium				52.2%
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