Two ranges [a,b] and [c,d] (a≤b, c≤d) overlap iff
- Acheck_circle
a <= d && c <= b
- B
a > d || c > b
- C
b - a < d - c
- D
a == c
Explanation
They DON'T overlap iff one ends before the other starts; negate that.
Compound Boolean Expressions
AP Computer Science A· difficulty 4/5
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