Leet
Code
Solutions
vbforge Β· Auto-generated on every push Β· Java 21 + JUnit 5
24
Solved
24
Total
π’ Easy
π‘ Medium
π΄ Hard
Arrays & Hashing Basics
Math, Bits & Misc
Strings & Basic Logic
Stack, Queue & Linked Lists
Trees & Binary Search
#1
Easy
1. Two Sum
Arrays & Hashing Basics
#9
Easy
9. Palindrome Number
Math, Bits & Misc
#14
Easy
14. Longest Common Prefix
Strings & Basic Logic
#20
Easy
20. Valid Parentheses
Stack, Queue & Linked Lists
#21
Easy
21. Merge Two Sorted Lists
Stack, Queue & Linked Lists
#66
Easy
66. Plus One
Arrays & Hashing Basics
#83
Easy
83. Remove Duplicates from Sorted List
Stack, Queue & Linked Lists
#104
Easy
104. Maximum Depth of Binary Tree
Trees & Binary Search
#121
Easy
121. Best Time to Buy and Sell Stock
Arrays & Hashing Basics
#125
Easy
125. Valid Palindrome
Strings & Basic Logic
#141
Easy
141. Linked List Cycle
Stack, Queue & Linked Lists
#155
Medium
155. Min Stack
Stack, Queue & Linked Lists
#160
Easy
160. Intersection of Two Linked Lists
Stack, Queue & Linked Lists
#171
Easy
171. Excel Sheet Column Number
Math, Bits & Misc
#205
Easy
205. Isomorphic Strings
Strings & Basic Logic
#217
Easy
217. Contains Duplicate
Arrays & Hashing Basics
#234
Easy
234. Palindrome Linked List
Stack, Queue & Linked Lists
#242
Easy
242. Valid Anagram
Arrays & Hashing Basics
#283
Easy
283. Move Zeroes
Arrays & Hashing Basics
#344
Easy
344. Reverse String
Strings & Basic Logic
#350
Easy
350. Intersection of Two Arrays II
Arrays & Hashing Basics
#383
Easy
383. Ransom Note
Strings & Basic Logic
#387
Easy
387. First Unique Character in a String
Strings & Basic Logic
#541
Easy
541. Reverse String II
Strings & Basic Logic