# | Title | Solution | Difficulty | Recommend | Comments |
---|---|---|---|---|---|
27 | Remove Element | Java | Easy | ||
26 | Remove Duplicates from Sorted Array | Java | Easy | ||
80 | Remove Duplicates from Sorted Array II | Java | Medium | ||
189 | Rotate Array | Java | Medium | ||
299 | Bulls and Cows | Java | Medium | ||
134 | Gas Station | Java | Medium | ||
274 | H-Index | Java | Medium | ||
55 | Jump Game | Java | Medium | ||
45 | Jump Game II | Java | Medium | ||
11 | Container With Most Water | Java | Medium | ||
334 | Increasing Triplet Subsequence | Java | Medium | ||
128 | Longest Consecutive Sequence | Java | Hard | ||
287 | Find the Duplicate Number | Java | Medium |
# | Title | Solution | Difficulty | Recommend | Comments |
---|---|---|---|---|---|
28 | Implement strStr() | Java | Easy | ||
387 | First Unique Character in a String | Java | Easy | ||
383 | Ransom Note | Java | Easy | ||
344 | Reverse String | Java | Easy | ||
151 | Reverse Words in a String | Java | Medium | ||
205 | Isomorphic Strings | Java | Easy |
# | Title | Solution | Difficulty | Recommend | Comments |
---|---|---|---|---|---|
2 | Add Two Numbers | Java | Medium | ※ | |
445 | Add Two Numbers II | Java | Medium | ※ | |
24 | Swap Nodes in Pairs | Java | Medium | ※ | |
206 | Reverse Linked List | Java | Easy | ※ | |
141 | Linked List Cycle | Java | Easy | ※ | |
142 | Linked List Cycle II | Java | Medium | ※ | |
23 | Merge k Sorted Lists | Java | Hard | ※ | |
147 | Insertion Sort List | Java | Medium | ※ | |
148 | Sort List | Java | Medium | ※ | merge sort O(1) space |