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				43.0%
0008	String to Integer (atoi)	Go	Medium				16.6%
0012	Integer to Roman	Go	Medium				61.4%
0013	Roman to Integer	Go	Easy				58.3%
0014	Longest Common Prefix	Go	Easy				40.7%
0017	Letter Combinations of a Phone Number	Go	Medium	O(log n)	O(1)		55.5%
0020	Valid Parentheses	Go	Easy	O(log n)	O(1)		40.7%
0022	Generate Parentheses	Go	Medium	O(log n)	O(1)		71.8%
0028	Find the Index of the First Occurrence in a String	Go	Medium	O(n)	O(1)		37.5%
0030	Substring with Concatenation of All Words	Go	Hard	O(n)	O(n)	❤️	30.9%
0032	Longest Valid Parentheses	Go	Hard				32.7%
0043	Multiply Strings	Go	Medium				38.7%
0049	Group Anagrams	Go	Medium	O(n log n)	O(n)		65.9%
0058	Length of Last Word	Go	Easy				40.4%
0065	Valid Number	Go	Hard				18.6%
0067	Add Binary	Go	Easy				51.3%
0071	Simplify Path	Go	Medium	O(n)	O(n)		39.2%
0076	Minimum Window Substring	Go	Hard	O(n)	O(n)	❤️	40.7%
0091	Decode Ways	Go	Medium	O(n)	O(n)		32.2%
0093	Restore IP Addresses	Go	Medium	O(n)	O(n)	❤️	43.4%
0097	Interleaving String	Go	Medium				37.1%
0115	Distinct Subsequences	Go	Hard				43.7%
0125	Valid Palindrome	Go	Easy	O(n)	O(1)		43.5%
0126	Word Ladder II	Go	Hard	O(n)	O(n^2)	❤️	27.6%
0127	Word Ladder	Go	Hard				36.6%
0131	Palindrome Partitioning	Go	Medium				62.3%
0151	Reverse Words in a String	Go	Medium				30.2%
0168	Excel Sheet Column Title	Go	Easy				34.7%
0171	Excel Sheet Column Number	Go	Easy				61.3%
0179	Largest Number	Go	Medium				34.0%
0187	Repeated DNA Sequences	Go	Medium				46.1%
0205	Isomorphic Strings	Go	Easy				42.5%
0208	Implement Trie (Prefix Tree)	Go	Medium				60.8%
0211	Design Add and Search Words Data Structure	Go	Medium				43.2%
0212	Word Search II	Go	Hard				36.9%
0224	Basic Calculator	Go	Hard				41.1%
0227	Basic Calculator II	Go	Medium				42.2%
0242	Valid Anagram	Go	Easy				62.7%
0257	Binary Tree Paths	Go	Easy				60.5%
0290	Word Pattern	Go	Easy				40.4%
0297	Serialize and Deserialize Binary Tree	Go	Hard				54.9%
0299	Bulls and Cows	Go	Medium				48.5%
0301	Remove Invalid Parentheses	Go	Hard				47.1%
0306	Additive Number	Go	Medium				30.9%
0318	Maximum Product of Word Lengths	Go	Medium				60.1%
0331	Verify Preorder Serialization of a Binary Tree	Go	Medium				44.2%
0344	Reverse String	Go	Easy	O(n)	O(1)		76.1%
0345	Reverse Vowels of a String	Go	Easy	O(n)	O(1)		47.7%
0383	Ransom Note	Go	Easy				57.6%
0385	Mini Parser	Go	Medium				36.5%
0387	First Unique Character in a String	Go	Easy				58.8%
0389	Find the Difference	Go	Easy				60.4%
0392	Is Subsequence	Go	Easy				49.3%
0394	Decode String	Go	Medium				57.5%
0395	Longest Substring with At Least K Repeating Characters	Go	Medium				44.8%
0402	Remove K Digits	Go	Medium				30.5%
0409	Longest Palindrome	Go	Easy				54.6%
0412	Fizz Buzz	Go	Easy				68.7%
0423	Reconstruct Original Digits from English	Go	Medium				51.3%
0424	Longest Repeating Character Replacement	Go	Medium				51.4%
0433	Minimum Genetic Mutation	Go	Medium				48.1%
0434	Number of Segments in a String	Go	Easy				37.7%
0438	Find All Anagrams in a String	Go	Medium				48.9%
0451	Sort Characters By Frequency	Go	Medium				68.6%
0474	Ones and Zeroes	Go	Medium				46.7%
0488	Zuma Game	Go	Hard				34.8%
0500	Keyboard Row	Go	Easy				69.0%
0520	Detect Capital	Go	Easy				55.6%
0524	Longest Word in Dictionary through Deleting	Go	Medium				51.2%
0535	Encode and Decode TinyURL	Go	Medium				85.8%
0537	Complex Number Multiplication	Go	Medium				71.3%
0541	Reverse String II	Go	Easy				50.5%
0551	Student Attendance Record I	Go	Easy				48.0%
0557	Reverse Words in a String III	Go	Easy				81.5%
0567	Permutation in String	Go	Medium				43.8%
0583	Delete Operation for Two Strings	Go	Medium				59.3%
0599	Minimum Index Sum of Two Lists	Go	Easy				52.8%
0609	Find Duplicate File in System	Go	Medium				67.8%
0647	Palindromic Substrings	Go	Medium				66.3%
0648	Replace Words	Go	Medium				62.7%
0676	Implement Magic Dictionary	Go	Medium				56.9%
0677	Map Sum Pairs	Go	Medium				57.0%
0692	Top K Frequent Words	Go	Medium				56.8%
0696	Count Binary Substrings	Go	Easy				65.5%
0709	To Lower Case	Go	Easy				81.9%
0720	Longest Word in Dictionary	Go	Medium				51.8%
0721	Accounts Merge	Go	Medium				56.3%
0726	Number of Atoms	Go	Hard				52.2%
0745	Prefix and Suffix Search	Go	Hard				41.3%
0748	Shortest Completing Word	Go	Easy				59.2%
0752	Open the Lock	Go	Medium				55.5%
0763	Partition Labels	Go	Medium				79.8%
0767	Reorganize String	Go	Medium	O(n log n)	O(log n)	❤️	52.7%
0771	Jewels and Stones	Go	Easy				88.0%
0784	Letter Case Permutation	Go	Medium				73.4%
0791	Custom Sort String	Go	Medium				69.4%
0792	Number of Matching Subsequences	Go	Medium				51.9%
0794	Valid Tic-Tac-Toe State	Go	Medium				35.2%
0811	Subdomain Visit Count	Go	Medium				75.1%
0816	Ambiguous Coordinates	Go	Medium				56.1%
0819	Most Common Word	Go	Easy				45.0%
0820	Short Encoding of Words	Go	Medium				60.7%
0821	Shortest Distance to a Character	Go	Easy				71.4%
0828	Count Unique Characters of All Substrings of a Given String	Go	Hard				51.6%
0830	Positions of Large Groups	Go	Easy				51.7%
0838	Push Dominoes	Go	Medium				57.0%
0839	Similar String Groups	Go	Hard				47.6%
0842	Split Array into Fibonacci Sequence	Go	Medium	O(n^2)	O(1)	❤️	38.2%
0844	Backspace String Compare	Go	Easy				48.0%
0856	Score of Parentheses	Go	Medium	O(n)	O(n)		65.1%
0859	Buddy Strings	Go	Easy				29.0%
0880	Decoded String at Index	Go	Medium				28.3%
0884	Uncommon Words from Two Sentences	Go	Easy				65.9%
0890	Find and Replace Pattern	Go	Medium				77.9%
0916	Word Subsets	Go	Medium				54.1%
0921	Minimum Add to Make Parentheses Valid	Go	Medium				76.4%
0925	Long Pressed Name	Go	Easy	O(n)	O(1)		33.7%
0942	DI String Match	Go	Easy				76.6%
0949	Largest Time for Given Digits	Go	Medium				35.2%
0953	Verifying an Alien Dictionary	Go	Easy				52.7%
0966	Vowel Spellchecker	Go	Medium				51.5%
0981	Time Based Key-Value Store	Go	Medium				53.6%
0984	String Without AAA or BBB	Go	Medium				42.9%
0990	Satisfiability of Equality Equations	Go	Medium				50.7%
1002	Find Common Characters	Go	Easy				68.3%
1003	Check If Word Is Valid After Substitutions	Go	Medium	O(n)	O(1)		58.2%
1021	Remove Outermost Parentheses	Go	Easy				80.1%
1028	Recover a Tree From Preorder Traversal	Go	Hard				72.8%
1047	Remove All Adjacent Duplicates In String	Go	Easy				70.5%
1048	Longest String Chain	Go	Medium				59.2%
1078	Occurrences After Bigram	Go	Easy				63.9%
1079	Letter Tile Possibilities	Go	Medium				76.1%
1108	Defanging an IP Address	Go	Easy				89.4%
1111	Maximum Nesting Depth of Two Valid Parentheses Strings	Go	Medium				73.2%
1143	Longest Common Subsequence	Go	Medium				58.8%
1154	Day of the Year	Go	Easy				50.3%
1160	Find Words That Can Be Formed by Characters	Go	Easy				67.8%
1170	Compare Strings by Frequency of the Smallest Character	Go	Medium				61.3%
1178	Number of Valid Words for Each Puzzle	Go	Hard				46.6%
1189	Maximum Number of Balloons	Go	Easy				62.1%
1190	Reverse Substrings Between Each Pair of Parentheses	Go	Medium				65.9%
1202	Smallest String With Swaps	Go	Medium				57.6%
1208	Get Equal Substrings Within Budget	Go	Medium				47.6%
1209	Remove All Adjacent Duplicates in String II	Go	Medium				56.0%
1221	Split a String in Balanced Strings	Go	Easy				84.7%
1234	Replace the Substring for Balanced String	Go	Medium				36.8%
1239	Maximum Length of a Concatenated String with Unique Characters	Go	Medium				52.2%
1249	Minimum Remove to Make Valid Parentheses	Go	Medium				65.6%
1268	Search Suggestions System	Go	Medium				66.6%
1332	Remove Palindromic Subsequences	Go	Easy				76.1%
1396	Design Underground System	Go	Medium				73.7%
1446	Consecutive Characters	Go	Easy				61.6%
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				56.8%
1573	Number of Ways to Split a String	Go	Medium				32.4%
1576	Replace All ?’s to Avoid Consecutive Repeating Characters	Go	Easy				49.2%
1614	Maximum Nesting Depth of the Parentheses	Go	Easy				82.7%
1624	Largest Substring Between Two Equal Characters	Go	Easy				59.0%
1629	Slowest Key	Go	Easy				59.4%
1647	Minimum Deletions to Make Character Frequencies Unique	Go	Medium				59.2%
1653	Minimum Deletions to Make String Balanced	Go	Medium				58.7%
1657	Determine if Two Strings Are Close	Go	Medium				54.2%
1662	Check If Two String Arrays are Equivalent	Go	Easy				83.2%
1663	Smallest String With A Given Numeric Value	Go	Medium				66.9%
1668	Maximum Repeating Substring	Go	Easy				39.6%
1678	Goal Parser Interpretation	Go	Easy				86.0%
1684	Count the Number of Consistent Strings	Go	Easy				81.8%
1689	Partitioning Into Minimum Number Of Deci-Binary Numbers	Go	Medium				89.7%
1694	Reformat Phone Number	Go	Easy				64.7%
1704	Determine if String Halves Are Alike	Go	Easy				77.4%
1736	Latest Time by Replacing Hidden Digits	Go	Easy				42.2%
1758	Minimum Changes To Make Alternating Binary String	Go	Easy				58.3%
1763	Longest Nice Substring	Go	Easy				61.7%
1816	Truncate Sentence	Go	Easy				81.9%
2038	Remove Colored Pieces if Both Neighbors are the Same Color	Go	Medium				58.0%
2096	Step-By-Step Directions From a Binary Tree Node to Another	Go	Medium				48.8%
2167	Minimum Time to Remove All Cars Containing Illegal Goods	Go	Hard				40.1%
2182	Construct String With Repeat Limit	Go	Medium				51.8%
————	——————————————————-	——-	—————-	—————	————-	————-	————-

⬅️上一页

下一页➡️