Based on 3 reported problems, AQR Capital Management interviews are easier than average - only 0% Hard compared to 18% across all companies.
Compared to the industry average, AQR Capital Management puts unusual emphasis on dynamic-programming (66.7% of problems, 3.4x the industry average), array (100% of problems, 1.7x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are array (100%), dynamic-programming (66.7%), queue (33.3%), heap-priority-queue (33.3%). Problems below are sorted by frequency, the ones at the top are asked most often.