Topic Breakdown
How problems are distributed across major topics and subtopics.
Problems by primary topic
All exams, 2000–2025
Problems by subtopic
Counted by primary subtopic, sorted by frequency
Difficulty by Topic
Average problem number within the exam, by subtopic. Higher numbers appear later in the exam and tend to be harder.
Average problem number by subtopic
Sorted hardest → easiest (by avg position in exam)
Year-over-Year Trends
How the topic mix shifts across exam years.
Topic distribution by year
Each bar = one exam year; count = sum of 10A + 10B problems (or single exam for 2000–2001)
Technique Tags
Which techniques appear most frequently across all problems.
Most common technique tags
Sorted by frequency