Screen Questions

- (Company Tags Last Updated: 8-27-24)
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: 144 || Easy: 27 || Med: 96 || Hard: 21

# Title Difficulty Frequency NeetCode Blacklist
1 Two Sum E 10.00 Vid / Code
2 LRU Cache M 6.49 Vid / Code
3 Merge Intervals M 5.78 Vid / Code
4 Number of Islands M 5.12 Vid / Code
5 Longest Substring Without Repeating Characters M 4.99 Vid / Code
6 Kth Largest Element in an Array M 4.63 Vid / Code
7 Trapping Rain Water H 4.52 Vid / Code
8 Group Anagrams M 3.46 Vid / Code
9 Valid Parentheses E 3.38 Vid / Code
10 Best Time to Buy and Sell Stock E 3.22 Vid / Code
11 Longest Palindromic Substring M 3.13 Vid / Code
12 3Sum M 3.11 Vid / Code
13 Top K Frequent Elements M 2.92 Vid / Code
14 Median of Two Sorted Arrays H 2.67 Vid / Code
15 Pow(x, n) M 2.56 Vid / Code
16 Merge k Sorted Lists H 2.34 Vid / Code
17 Add Two Numbers M 2.32 Vid / Code
18 Search in Rotated Sorted Array M 2.29 Vid / Code
19 Koko Eating Bananas M 2.23 Vid / Code
20 Product of Array Except Self M 2.23 Vid / Code
21 Maximum Subarray M 2.18 Vid / Code
22 Course Schedule II M 2.13 Vid / Code
23 Valid Palindrome E 2.13 Vid / Code
24 Copy List with Random Pointer M 2.13 Vid / Code
25 Binary Tree Right Side View M 2.04 Vid / Code
26 Container With Most Water M 1.99 Vid / Code
27 Diameter of Binary Tree E 1.96 Vid / Code
28 Letter Combinations of a Phone Number M 1.88 Vid / Code
29 Meeting Rooms II M 1.88 Vid / Code
30 Word Ladder H 1.88 Vid / Code
31 Longest Consecutive Sequence M 1.85 Vid / Code
32 K Closest Points to Origin M 1.83 Vid / Code
33 House Robber M 1.74 Vid / Code
34 Climbing Stairs E 1.69 Vid / Code
35 Spiral Matrix M 1.69 Vid / Code
36 Binary Tree Maximum Path Sum H 1.69 Vid / Code
37 Course Schedule M 1.69 Vid / Code
38 Find Median from Data Stream H 1.63 Vid / Code
39 Reverse Integer M 1.55 Vid / Code
40 Rotting Oranges M 1.53 Vid / Code
41 Sliding Window Maximum H 1.50 Vid / Code
42 Jump Game M 1.50 Vid / Code
43 Rotate Image M 1.50 Vid / Code
44 Generate Parentheses M 1.47 Vid / Code
45 Merge Two Sorted Lists E 1.44 Vid / Code
46 Word Search M 1.42 Vid / Code
47 Happy Number E 1.39 Vid / Code
48 Time Based Key-Value Store M 1.36 Vid / Code
49 Word Search II H 1.25 Vid / Code
50 Minimum Window Substring H 1.23 Vid / Code
51 Subsets M 1.17 Vid / Code
52 Reverse Linked List E 1.14 Vid / Code
53 Regular Expression Matching H 1.14 Vid / Code
54 Combination Sum M 1.12 Vid / Code
55 Valid Anagram E 1.06 Vid / Code
56 Remove Nth Node From End of List M 1.04 Vid / Code
57 Unique Paths M 1.04 Vid / Code
58 Maximum Product Subarray M 1.01 Vid / Code
59 Coin Change M 0.98 Vid / Code
60 Longest Increasing Subsequence M 0.98 Vid / Code
61 Word Break M 0.98 Vid / Code
62 Largest Rectangle in Histogram H 0.95 Vid / Code
63 Walls and Gates M 0.95 Vid / Code
64 Reverse Nodes in k-Group H 0.93 Vid / Code
65 Jump Game II M 0.93 Vid / Code
66 Longest Repeating Character Replacement M 0.87 Vid / Code
67 Clone Graph M 0.87 Vid / Code
68 Set Matrix Zeroes M 0.87 Vid / Code
69 Edit Distance M 0.84 Vid / Code
70 Insert Interval M 0.84 Vid / Code
71 Valid Sudoku M 0.82 Vid / Code
72 Serialize and Deserialize Binary Tree H 0.79 Vid / Code
73 Task Scheduler M 0.79 Vid / Code
74 Daily Temperatures M 0.79 Vid / Code
75 Plus One E 0.79 Vid / Code
76 Contains Duplicate E 0.76 Vid / Code
77 Palindromic Substrings M 0.74 Vid / Code
78 Gas Station M 0.74 Vid / Code
79 Find the Duplicate Number M 0.71 Vid / Code
80 Permutations M 0.68 Vid / Code
81 Single Number E 0.68 Vid / Code
82 Min Stack M 0.68 Vid / Code
83 Combination Sum II M 0.65 Vid / Code
84 Palindrome Partitioning M 0.65 Vid / Code
85 Decode Ways M 0.63 Vid / Code
86 Maximum Depth of Binary Tree E 0.63 Vid / Code
87 Search a 2D Matrix M 0.60 Vid / Code
88 Implement Trie (Prefix Tree) M 0.60 Vid / Code
89 Permutation in String M 0.60 Vid / Code
90 Missing Number E 0.57 Vid / Code
91 Find Minimum in Rotated Sorted Array M 0.57 Vid / Code
92 Max Area of Island M 0.57 Vid / Code
93 Evaluate Reverse Polish Notation M 0.57 Vid / Code
94 Reorder List M 0.57 Vid / Code
95 House Robber II M 0.54 Vid / Code
96 Longest Increasing Path in a Matrix H 0.49 Vid / Code
97 Alien Dictionary H 0.49 Vid / Code
98 Lowest Common Ancestor of a Binary Search Tree M 0.49 Vid / Code
99 Non-overlapping Intervals M 0.46 Vid / Code
100 Number of 1 Bits E 0.46 Vid / Code
101 Balanced Binary Tree E 0.41 Vid / Code
102 Partition Equal Subset Sum M 0.41 Vid / Code
103 Detect Squares M 0.41 Vid / Code
104 Construct Binary Tree from Preorder and Inorder Traversal M 0.41 Vid / Code
105 Validate Binary Search Tree M 0.38 Vid / Code
106 Multiply Strings M 0.38 Vid / Code
107 Subsets II M 0.38 Vid / Code
108 Linked List Cycle E 0.35 Vid / Code
109 Pacific Atlantic Water Flow M 0.35 Vid / Code
110 N-Queens H 0.33 Vid / Code
111 Last Stone Weight E 0.33 Vid / Code
112 Binary Tree Level Order Traversal M 0.33 Vid / Code
113 Same Tree E 0.33 Vid / Code
114 Target Sum M 0.33 Vid / Code
115 Longest Common Subsequence M 0.30 Vid / Code
116 Coin Change II M 0.27 Vid / Code
117 Cheapest Flights Within K Stops M 0.27 Vid / Code
118 Design Add and Search Words Data Structure M 0.27 Vid / Code
119 Distinct Subsequences H 0.25 Vid / Code
120 Kth Smallest Element in a BST M 0.25 Vid / Code
121 Binary Search E 0.25 Vid / Code
122 Graph Valid Tree M 0.22 Vid / Code
123 Reconstruct Itinerary H 0.22 Vid / Code
124 Encode and Decode Strings M 0.22 Vid / Code
125 Car Fleet M 0.19 Vid / Code
126 Reverse Bits E 0.19 Vid / Code
127 Swim in Rising Water H 0.19 Vid / Code
128 Number of Connected Components in an Undirected Graph M 0.19 Vid / Code
129 Surrounded Regions M 0.16 Vid / Code
130 Interleaving String M 0.16 Vid / Code
131 Two Sum II - Input Array Is Sorted M 0.16 Vid / Code
132 Invert Binary Tree E 0.14 Vid / Code
133 Meeting Rooms E 0.11 Vid / Code
134 Sum of Two Integers M 0.11 Vid / Code
135 Valid Parenthesis String M 0.11 Vid / Code
136 Kth Largest Element in a Stream E 0.11 Vid / Code
137 Design Twitter M 0.08 Vid / Code
138 Counting Bits E 0.08 Vid / Code
139 Min Cost Climbing Stairs E 0.08 Vid / Code
140 Network Delay Time M 0.08 Vid / Code
141 Hand of Straights M 0.05 Vid / Code
142 Minimum Interval to Include Each Query H 0.05 Vid / Code
143 Burst Balloons H 0.05 Vid / Code
144 Partition Labels M 0.05 Vid / Code