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Grokking the Coding Interview Patterns

Solution: Super Ugly Number

Explore the k-way merge method to generate the nth super ugly number, understanding how to use a min heap with prime factors to build numbers efficiently without redundancy.

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Statement

Given an integer n and an array of distinct prime numbers primes, return the n-th super ugly number. A super ugly number is a positive integer whose only prime factors are from a given array primes.

The n-th super ugly number is guaranteed to fit within a 32-bit signed integer.

Constraints:

  • 1≤1 \leq n ≤105\leq 10^5 ...