Which edge case matters for this problem?
Practice this question from Segment Tree - Range Sum Query Pattern Practice Quiz, with options and an explanation.
Question
Which edge case matters for this problem?
Option A — Correct answer
A disjoint range contributes 0 to a sum query.
Option B
Whether a graph has islands
Option C
Whether an interval touches another interval
Option D
Whether a string is a palindrome
Explanation
A disjoint range contributes 0 to a sum query.