Problem |
Concept |
Level |
Frequency |
Top K Frequently Mentioned Keywords |
Priority Queue |
Easy |
|
Zombie in Matrix |
Graph DFS |
Medium |
|
Critical Routers |
Graph DFS |
Hard |
|
Product Suggestions |
|
Hard |
|
Number of Clusters |
Graph DFS |
Hard |
|
Reorder Data in Log Files |
|
Medium |
|
Partition Labels |
|
Medium |
|
Longest Palindromic Substring |
Dynamic Programming |
Easy |
|
Copy List with Random Pointer |
Linked list |
Easy |
|
Merge Two Sorted Lists |
Linked list |
Medium |
|
Search a 2D Matrix II |
Binary Search Algorithm |
Medium |
|
Spiral Matrix |
|
Medium |
|
Merge Intervals |
|
Hard |
|
Longest string without 3 consecutive characters |
Sliding window |
Hard |
|
Zigzag traversal of a tree |
Binary Tree |
Easy |
|
Combination of words which form other words |
|
Meidum |
|
Group Shifted Strings |
|
Medium |
|
Course Schedule |
Graphs Topological |
Easy |
|
Critical Connections |
Graph DFS |
Hard |
|
Number of Islands |
Graph DFS |
Hard |
|