Question | Difficult | Remarks |
---|---|---|
Trapping Rain Water | Hard | Two pointer/Prefix Sum |
First Missing Positive | Hard | 1 to n approach |
Question | Difficult | Remarks |
---|---|---|
Search a 2D Matrix | Medium | |
Rotate Image | Medium | |
Spiral Matrix | Medium |
Question | Difficult | Remarks |
---|---|---|
First Bad Version | Easy | Very Important |
Find First and Last Position of Element in Sorted Array | Medium |