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Problem: Super Ugly Number

med
30 min
Understand how to determine the nth super ugly number, defined by prime factors from a given array, by applying k-way merge techniques. This lesson helps you practice implementing solutions that optimize merging and searching for k-th smallest elements in a coding interview context.

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:

  • 11 \leq n 105\leq 10^5

  • 11 \leq primes.length 100\leq 100

  • 22 \leq primes[i] 1000\leq 1000

  • primes[i] is guaranteed to be a prime number.

  • All the values of primes are unique and sorted in an ascending order.

Tap here to switch tabs
Problem
Ask
Submissions

Problem: Super Ugly Number

med
30 min
Understand how to determine the nth super ugly number, defined by prime factors from a given array, by applying k-way merge techniques. This lesson helps you practice implementing solutions that optimize merging and searching for k-th smallest elements in a coding interview context.

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:

  • 11 \leq n 105\leq 10^5

  • 11 \leq primes.length 100\leq 100

  • 22 \leq primes[i] 1000\leq 1000

  • primes[i] is guaranteed to be a prime number.

  • All the values of primes are unique and sorted in an ascending order.