string.md

String

Principe

Un string, également appelé chaîne de caractères, est un type de donnée qui représente une série ordonnée de caractères.

Illustration d'une chaîne de caractères:

Facile

Label	Tags	Date
13. Roman to Integer	Hash Table, Math, String	14-03-2024
14. Longest Common Prefix	String, Trie	25-03-2024
20. Valid Parentheses	String, Stack	25-03-2024
28. Find the Index of the First Occurrence in a String	Two Pointers, String, String Matching	17-05-2024
58. Length of Last Word	String	30-03-2024
67. Add Binary	Math, String, Bit Manipulation, Simulation	04-03-2024
205. Isomorphic Strings	Hash Table, String	30-03-2024
242. Valid Anagram	Hash Table, String, Sorting	30-03-2024
290. Word Pattern	Hash Table, String	30-03-2024
345. Reverse Vowels of a String	String, Two Pointers	20-02-2024
383. Ransom Note	Hash Table, String, Counting	30-09-2024
392. Is Subsequence	String, Two Pointers, Dynamic Programming	08-03-2024
415. Add Strings	Math, String, Simulation	09-03-2024
1071. Greatest Common Divisor of Strings	Math, String	20-02-2024
1422. Maximum Score After Splitting a String	String, Prefix Sum	27-02-2024
1598. Crawler Log Folder	Array, String, Stack	10-07-2024
1768. Merge Strings Alternately	String, Two Pointers	20-02-2024
2418. Sort the People	Array, Hash Table, String, Sorting	22-07-2024
2678. Number of Senior Citizens	Array, String	01-08-2024
2864. Maximum Odd Binary Number	Math, String, Greedy	01-03-2024
2942. Find Words Containing Character	Array, String	27-06-2024
3110. Score of a String	String	20-05-2024
3146. Permutation Difference between Two Strings	Hash Table, String	20-05-2024

Moyen

Label	Tags	Date
3. Longest Substring Without Repeating Characters	String, Hash Table, Sliding Window	18-02-2024
5. Longest Palindromic Substring	String, Dynamic Programming	01-03-2024
6. Zigzag Conversion	String	03-03-2024
8. String to Integer (atoi)	String	05-03-2024
12. Integer to Roman	Hash Table, Math, String	13-03-2024
17. Letter Combinations of a Phone Number	Hash Table, String, Backtracking	14-03-2024
79. Word Search	Array, String, Backtracking, Matrix	03-04-2024
151. Reverse Words in a String	String, Two Pointers	12-03-2024
443. String Compression	String, Two Pointers	12-03-2024
649. Dota2 Senate	String, Greedy, Queue	18-04-2024
752. Open the Lock	Array, Hash Table, String, Breadth-First Search	22-04-2024
791. Custom Sort String	Hash Table, String, Sorting	11-03-2024
988. Smallest String Starting From Leaf	String, Tree, Depth-First Search, Binary Tree	17-01-2024
1190. Reverse Substrings Between Each Pair of Parentheses	String, Stack	11-07-2024
1456. Maximum Number of Vowels in a Substring of Given Length	String, Sliding Window	13-03-2024
1653. Minimum Deletions to Make String Balanced	String, Dynamic Programming, Stack	30-07-2024
1750. Minimum Length of String After Deleting Similar Ends	String, Two Pointers	05-03-2024
2390. Removing Stars From a String	String, Stack, Simulation	15-03-2024
2486. Append Characters to String to Make Subsequence	Two Pointers, String, Greedy	03-06-2024
2976. Minimum Cost to Convert String I	Array, String, Graph, Shortest Path	27-07-2024
3016. Minimum Number of Pushes to Type Word II	Hash Table, String, Greedy, Sorting, Counting	06-08-2024
3081. Replace Question Marks in String to Minimize Its Value	Hash Table, String, Greedy, Sorting, Heap (Priority Queue), Counting	22-03-2024
3143. Maximum Points Inside the Square	Array, Hash Table, String, Binary Search, Sorting	06-07-2024

Difficile

Label	Tags	Date
10. Regular Expression Matching	String, Dynamic Programming, Recursion	05-03-2024
32. Longest Valid Parentheses	String, Dynamic Programming, Stack	27-04-2024
44. Wildcard Matching	String, Dynamic Programming, Greedy, Recursion	01-05-2024
68. Text Justification	Array, String, Simulation	10-06-2024
726. Number of Atoms	Hash Table, String, Stack, Sorting	14-07-2024