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Ola Questions

Here are the LeetCode questions for Ola.

Total: 24
Easy: 5
Medium: 14
Hard: 5
Progress: 0%

Topic Frequency Analysis

All Topics

Rank Topic Frequency Percentage
1 Array 12
50.0%
2 Dynamic Programming 8
33.3%
3 String 7
29.2%
4 Depth-First Search 5
20.8%
5 Hash Table 5
20.8%
6 Math 4
16.7%
7 Two Pointers 4
16.7%
8 Tree 3
12.5%
9 Breadth-First Search 3
12.5%
10 Binary Tree 2
8.3%
11 Recursion 2
8.3%
12 Linked List 2
8.3%
13 Stack 2
8.3%
14 Graph Theory 2
8.3%
15 Sorting 2
8.3%
16 Union-Find 1
4.2%
17 Binary Search 1
4.2%
18 Greedy 1
4.2%
19 Matrix 1
4.2%
20 Topological Sort 1
4.2%
21 Binary Search Tree 1
4.2%
22 Memoization 1
4.2%
23 Combinatorics 1
4.2%
24 Sliding Window 1
4.2%
25 Prefix Sum 1
4.2%
26 Monotonic Stack 1
4.2%
No. Question Title Link Difficulty Solved
1 All Nodes Distance K in Binary Tree Visit Medium
2 Find Pivot Index Visit Easy
3 Decode String Visit Medium
4 Alien Dictionary Visit Hard
5 Delete Node in a Linked List Visit Medium
6 Restricted Restricted Hard
7 Restricted Restricted Hard
8 Restricted Restricted Hard
9 Restricted Restricted Hard
10 Restricted Restricted Hard
11 Restricted Restricted Hard
12 Restricted Restricted Hard
13 Restricted Restricted Hard
14 Restricted Restricted Hard
15 Restricted Restricted Hard

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