| 0036 |
Valid Sudoku |
Java |
- |
- |
- |
Medium |
Set |
| 0049 |
Group Anagrams |
Java |
- |
- |
- |
Medium |
Map |
| 0187 |
Repeated DNA Sequences |
Java |
- |
- |
- |
Medium |
Map |
| 0205 |
Isomorphic Strings |
Java |
- |
- |
- |
Easy |
Map |
| 0219 |
Contains Duplicate II |
Java |
- |
- |
- |
Easy |
Map |
| 0242 |
Valid Anagram |
Java |
- |
- |
- |
Easy |
Map |
| 0274 |
H-Index |
Java |
- |
- |
- |
Medium |
Map |
| 0290 |
Word Pattern |
Java |
- |
- |
- |
Easy |
Map |
| 0299 |
Bulls and Cows |
Java |
- |
- |
- |
Medium |
Map |
| 0349 |
Intersection of Two Arrays |
Java |
- |
- |
- |
Easy |
Map |
| 0350 |
Intersection of Two Arrays II |
Java |
- |
- |
- |
Easy |
Map |
| 0355 |
Design Twitter |
Java |
- |
- |
- |
Medium |
Map |
| 0384 |
Shuffle an Array |
Java |
- |
- |
- |
Medium |
Set |
| 0387 |
First Unique Character in a String |
Java |
- |
- |
- |
Easy |
Map |
| 0389 |
Find the Difference |
Java |
- |
- |
- |
Easy |
Map |
| 0409 |
Longest Palindrome |
Java |
- |
- |
- |
Easy |
Map |
| 0447 |
Number of Boomerangs |
Java |
- |
- |
- |
Easy |
Map |
| 0460 |
LFU Cache |
Java |
- |
- |
- |
Hard |
Map |
| 0463 |
Island Perimeter |
Java |
- |
- |
- |
Easy |
Map |
| 0500 |
Keyboard Row |
Java |
- |
- |
- |
Easy |
Map |
| 0525 |
Contiguous Array |
Java |
- |
- |
- |
Medium |
Map |
| 0575 |
Distribute Candies |
Java |
O(n) |
95.78% |
O(n) |
Easy |
Set |
| 0594 |
Longest Harmonious Subsequence |
Java |
O(n) |
71MS |
O(n) |
Easy |
Map |
| 0599 |
Minimum Index Sum of Two Lists |
Java |
O(n) |
26MS |
O(n) |
Easy |
Map |