🔤 Strings — Practice Problems

25
Total
12
Solved
9
Easy
12
Medium
4
Hard

🟢 Easy

#125 Valid Palindrome ✓ Solved
Easy arrays two pointers strings
🔗 Problem No notes yet
#242 Valid Anagram ✓ Solved
Easy strings
🔗 Problem No notes yet
#412 Fizz Buzz ✓ Solved
Easy strings
#14 Longest Common Prefix ✓ Solved
Easy strings
#344 Reverse String ○ Todo
Easy recursion strings two pointers
🔗 Problem No notes yet
#383 Ransom Note ○ Todo
Easy hashing strings
🔗 Problem No notes yet
#771 Jewels and Stones ○ Todo
Easy hashing strings
🔗 Problem No notes yet
Easy hashing strings
🔗 Problem No notes yet
Easy hashing strings
🔗 Problem No notes yet

🟡 Medium

Medium arrays sliding window strings
Medium arrays sliding window strings
🔗 Problem No notes yet
#567 Permutation in String ✓ Solved
Medium arrays sliding window strings
🔗 Problem No notes yet
#49 Group Anagrams ✓ Solved
Medium strings hashing
🔗 Problem No notes yet
#271 Encode and Decode Strings ✓ Solved
Medium strings
Medium strings two pointers
🔗 Problem No notes yet
#647 Palindromic Substrings ○ Todo
Medium strings two pointers
🔗 Problem No notes yet
Medium backtracking strings
🔗 Problem No notes yet
#22 Generate Parentheses ○ Todo
Medium backtracking strings
🔗 Problem No notes yet
Medium dynamic programming strings
🔗 Problem No notes yet
#72 Edit Distance ○ Todo
Medium dynamic programming strings
🔗 Problem No notes yet
#139 Word Break ○ Todo
Medium dynamic programming strings
🔗 Problem No notes yet

🔴 Hard

#76 Minimum Window Substring ✓ Solved
Hard arrays sliding window strings
🔗 Problem No notes yet
Hard arrays sliding window strings
🔗 Problem No notes yet
#127 Word Ladder ○ Todo
Hard graphs strings
🔗 Problem No notes yet
#68 Text Justification ✓ Solved
Hard strings