Based on 4 reported problems, Smartsheet interviews are easier than average - only 0% Hard compared to 18% across all companies. The majority (100%) of questions are Medium difficulty, which is typical for companies that want to see solid fundamentals without excessive trick questions.
Compared to the industry average, Smartsheet puts unusual emphasis on bucket-sort (50% of problems, 64.5x the industry average), counting (50% of problems, 15x the industry average), heap-priority-queue (50% of problems, 8.3x the industry average). If you're short on time, these are the categories to double down on.
The most common topics are array (100%), hash-table (75%), sorting (75%), string (50%). Problems below are sorted by frequency, the ones at the top are asked most often.