Screen Questions

- (Company Tags Last Updated: 12-21-24) - ☃️ Happy holidays! ☃️
Questions:
Difficulty:
Min Frequency >= Min Company Tags >=
*Questions not in 1) company list 2) topics list or 3) tagged in last 0-6 months are omitted.

Questions: 147 || Easy: 28 || Med: 98 || Hard: 21

# Title Difficulty Frequency NeetCode Blacklist
1 Two Sum E 10.00 Vid / Code
2 LRU Cache M 5.79 Vid / Code
3 Number of Islands M 4.89 Vid / Code
4 Merge Intervals M 4.77 Vid / Code
5 Longest Substring Without Repeating Characters M 4.00 Vid / Code
6 Trapping Rain Water H 3.94 Vid / Code
7 Kth Largest Element in an Array M 3.77 Vid / Code
8 Group Anagrams M 3.25 Vid / Code
9 Best Time to Buy and Sell Stock E 3.09 Vid / Code
10 Valid Parentheses E 3.02 Vid / Code
11 Longest Palindromic Substring M 2.96 Vid / Code
12 Top K Frequent Elements M 2.57 Vid / Code
13 Merge k Sorted Lists H 2.47 Vid / Code
14 Pow(x, n) M 2.32 Vid / Code
15 3Sum M 2.26 Vid / Code
16 Add Two Numbers M 2.23 Vid / Code
17 Copy List with Random Pointer M 2.23 Vid / Code
18 Meeting Rooms II M 2.21 Vid / Code
19 Median of Two Sorted Arrays H 2.17 Vid / Code
20 House Robber M 2.09 Vid / Code
21 Maximum Subarray M 2.00 Vid / Code
22 Koko Eating Bananas M 1.96 Vid / Code
23 Spiral Matrix M 1.94 Vid / Code
24 Binary Tree Right Side View M 1.94 Vid / Code
25 Valid Palindrome E 1.89 Vid / Code
26 Climbing Stairs E 1.77 Vid / Code
27 Course Schedule M 1.72 Vid / Code
28 Word Ladder H 1.66 Vid / Code
29 Jump Game M 1.64 Vid / Code
30 Course Schedule II M 1.62 Vid / Code
31 Diameter of Binary Tree E 1.60 Vid / Code
32 Container With Most Water M 1.57 Vid / Code
33 Longest Consecutive Sequence M 1.55 Vid / Code
34 Rotate Image M 1.55 Vid / Code
35 Rotting Oranges M 1.51 Vid / Code
36 Letter Combinations of a Phone Number M 1.49 Vid / Code
37 Word Search M 1.42 Vid / Code
38 Product of Array Except Self M 1.42 Vid / Code
39 K Closest Points to Origin M 1.42 Vid / Code
40 Task Scheduler M 1.38 Vid / Code
41 Binary Tree Maximum Path Sum H 1.38 Vid / Code
42 Search in Rotated Sorted Array M 1.34 Vid / Code
43 Generate Parentheses M 1.32 Vid / Code
44 Word Break M 1.32 Vid / Code
45 Find Median from Data Stream H 1.28 Vid / Code
46 Minimum Window Substring H 1.25 Vid / Code
47 Valid Anagram E 1.21 Vid / Code
48 Coin Change M 1.15 Vid / Code
49 Sliding Window Maximum H 1.04 Vid / Code
50 Happy Number E 1.02 Vid / Code
51 Reverse Integer M 1.00 Vid / Code
52 Walls and Gates M 0.91 Vid / Code
53 Daily Temperatures M 0.91 Vid / Code
54 Longest Increasing Path in a Matrix H 0.91 Vid / Code
55 Merge Two Sorted Lists E 0.89 Vid / Code
56 Longest Increasing Subsequence M 0.87 Vid / Code
57 Jump Game II M 0.87 Vid / Code
58 Largest Rectangle in Histogram H 0.85 Vid / Code
59 Subsets M 0.85 Vid / Code
60 Permutation in String M 0.83 Vid / Code
61 Reverse Linked List E 0.83 Vid / Code
62 Combination Sum M 0.81 Vid / Code
63 Regular Expression Matching H 0.81 Vid / Code
64 Remove Nth Node From End of List M 0.81 Vid / Code
65 Time Based Key-Value Store M 0.79 Vid / Code
66 Word Search II H 0.79 Vid / Code
67 Alien Dictionary H 0.74 Vid / Code
68 Reverse Nodes in k-Group H 0.72 Vid / Code
69 Validate Binary Search Tree M 0.70 Vid / Code
70 Palindromic Substrings M 0.68 Vid / Code
71 Maximum Product Subarray M 0.68 Vid / Code
72 Min Stack M 0.66 Vid / Code
73 House Robber II M 0.66 Vid / Code
74 Unique Paths M 0.66 Vid / Code
75 Clone Graph M 0.66 Vid / Code
76 Valid Sudoku M 0.64 Vid / Code
77 Plus One E 0.64 Vid / Code
78 Permutations M 0.62 Vid / Code
79 Single Number E 0.62 Vid / Code
80 Combination Sum II M 0.58 Vid / Code
81 Max Area of Island M 0.57 Vid / Code
82 Set Matrix Zeroes M 0.57 Vid / Code
83 Decode Ways M 0.57 Vid / Code
84 Longest Repeating Character Replacement M 0.55 Vid / Code
85 Gas Station M 0.55 Vid / Code
86 Contains Duplicate E 0.55 Vid / Code
87 Search a 2D Matrix M 0.53 Vid / Code
88 Missing Number E 0.53 Vid / Code
89 Lowest Common Ancestor of a Binary Search Tree M 0.53 Vid / Code
90 Find Minimum in Rotated Sorted Array M 0.53 Vid / Code
91 Edit Distance M 0.51 Vid / Code
92 Serialize and Deserialize Binary Tree H 0.51 Vid / Code
93 Kth Smallest Element in a BST M 0.49 Vid / Code
94 Evaluate Reverse Polish Notation M 0.49 Vid / Code
95 Implement Trie (Prefix Tree) M 0.47 Vid / Code
96 Linked List Cycle E 0.43 Vid / Code
97 Insert Interval M 0.43 Vid / Code
98 Reorder List M 0.43 Vid / Code
99 Find the Duplicate Number M 0.40 Vid / Code
100 Longest Common Subsequence M 0.38 Vid / Code
101 Two Sum II - Input Array Is Sorted M 0.38 Vid / Code
102 Binary Search E 0.38 Vid / Code
103 Maximum Depth of Binary Tree E 0.38 Vid / Code
104 Binary Tree Level Order Traversal M 0.36 Vid / Code
105 Partition Equal Subset Sum M 0.36 Vid / Code
106 Cheapest Flights Within K Stops M 0.34 Vid / Code
107 Same Tree E 0.34 Vid / Code
108 Palindrome Partitioning M 0.32 Vid / Code
109 Design Add and Search Words Data Structure M 0.30 Vid / Code
110 N-Queens H 0.30 Vid / Code
111 Target Sum M 0.30 Vid / Code
112 Reconstruct Itinerary H 0.28 Vid / Code
113 Subsets II M 0.26 Vid / Code
114 Distinct Subsequences H 0.25 Vid / Code
115 Construct Binary Tree from Preorder and Inorder Traversal M 0.25 Vid / Code
116 Number of Connected Components in an Undirected Graph M 0.25 Vid / Code
117 Interleaving String M 0.23 Vid / Code
118 Kth Largest Element in a Stream E 0.23 Vid / Code
119 Graph Valid Tree M 0.23 Vid / Code
120 Coin Change II M 0.21 Vid / Code
121 Last Stone Weight E 0.21 Vid / Code
122 Surrounded Regions M 0.21 Vid / Code
123 Multiply Strings M 0.19 Vid / Code
124 Pacific Atlantic Water Flow M 0.19 Vid / Code
125 Number of 1 Bits E 0.19 Vid / Code
126 Non-overlapping Intervals M 0.19 Vid / Code
127 Balanced Binary Tree E 0.17 Vid / Code
128 Sum of Two Integers M 0.15 Vid / Code
129 Meeting Rooms E 0.13 Vid / Code
130 Min Cost Climbing Stairs E 0.13 Vid / Code
131 Subtree of Another Tree E 0.13 Vid / Code
132 Encode and Decode Strings M 0.11 Vid / Code
133 Invert Binary Tree E 0.09 Vid / Code
134 Redundant Connection M 0.09 Vid / Code
135 Counting Bits E 0.09 Vid / Code
136 Design Twitter M 0.09 Vid / Code
137 Min Cost to Connect All Points M 0.08 Vid / Code
138 Swim in Rising Water H 0.08 Vid / Code
139 Network Delay Time M 0.08 Vid / Code
140 Minimum Interval to Include Each Query H 0.08 Vid / Code
141 Detect Squares M 0.08 Vid / Code
142 Reverse Bits E 0.08 Vid / Code
143 Valid Parenthesis String M 0.06 Vid / Code
144 Count Good Nodes in Binary Tree M 0.04 Vid / Code
145 Hand of Straights M 0.04 Vid / Code
146 Burst Balloons H 0.04 Vid / Code
147 Car Fleet M 0.04 Vid / Code