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DevEval
For companies
Sample report
Pricing
For developers
Problems
Probability
Topic
Probability problems
4 problems: 1 easy, 3 medium.
Easy (1)
Combinations (n choose k)
Medium (3)
Binomial Probability
Bayes' Theorem
Expected Value
Other topics
Array
437
String
167
Math
140
SQL
80
Machine Learning
59
General
51
Data Engineering
50
Matrix
26
Greedy
24
Statistics
19
Linked List
18
Binary Search
15
Graph
13
Sorting
13
Dynamic Programming
11
Bit Manipulation
9
Hash Table
9
Backend Systems
6
Simulation
5
Tree
5
Sliding Window
3
Stack
3
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