Solution: Nth Magical Number
Understand how to solve for the nth magical number, divisible by either a or b, using an efficient binary search algorithm. Explore the use of the inclusion-exclusion principle and least common multiple calculations to count valid numbers within a range, enabling you to tackle similar mathematical coding interview problems with confidence.
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Statement
Given three integers n, a, and b, return the nth magical number.
A magical number is defined as a positive integer that is divisible by either a or b.
As the result may be very large, return it modulo
Constraints:
na,b...