Some Interview questions on Data Structures:Â
Rain water trapping (LC, QRV).
Longest Valid Parentheses (LC, QRV).
Sliding Window Maximum (LC, QRV).
Shortest Subarray with Sum at Least K (LC, QRV).
Reverse Nodes in k-Group in a SLL (LC, QRV).
Merge k Sorted Lists with a Min-Heap (LC, QRV).