Write a function that returns the character with the maximum number of consecutive repetitions in a string.
Middle — Senior
219
Machine Learning / AI
3611
0
What is the ROC AUC metric?
Middle
218
Why is gradient boosting more commonly used in industrial environments than random forests?
Middle — Senior
217
What feature selection methods exist?
217
How is request routing between scenarios implemented — in what form does the LLM give an answer and how is the scenario chosen based on it?
Middle
216
Why did you choose the Llama 3 model for your project?
Middle
215
What is RFM analysis?
Middle
215
How to count the number of unique values in a DataFrame column?
Middle
213
What is the complexity of the proposed solution with character removal and reversal? Can the algorithm be improved?
Middle
213
What are the features of job and resume ranking?
Middle — Senior
212
Why is an ensemble of multiple trees better than a single tree?
Middle — Senior
210
How to choose a symbol when there are multiple consecutive maximum symbols?
Middle — Senior
210
What is the working mode in the team?
Middle
209
What is precision and recall in the context of chunk search?
Middle
208
What is an iterable object and how to work with it in Python?
Middle
207
What are generators in Python and what are they used for?
Middle
206
Find the employee with the highest salary in each position and display all their data.
Middle
206
What magical methods exist in Python?
Middle
205
What is a garbage collector and how does it work in Python?
Middle
203
What is NaN and in what cases does it occur?
Middle
203