Class Solution

  • All Implemented Interfaces:

    
    public final class Solution
    
                        

    3670 - Maximum Product of Two Integers With No Common Bits.

    Medium

    You are given an integer array nums.

    Your task is to find two distinct indices i and j such that the product nums[i] * nums[j] is **maximized, ** and the binary representations of nums[i] and nums[j] do not share any common set bits.

    Return the maximum possible product of such a pair. If no such pair exists, return 0.

    Example 1:

    Input: nums = 1,2,3,4,5,6,7

    Output: 12

    Explanation:

    The best pair is 3 (011) and 4 (100). They share no set bits and 3 * 4 = 12.

    Example 2:

    Input: nums = 5,6,4

    Output: 0

    Explanation:

    Every pair of numbers has at least one common set bit. Hence, the answer is 0.

    Example 3:

    Input: nums = 64,8,32

    Output: 2048

    Explanation:

    No pair of numbers share a common bit, so the answer is the product of the two maximum elements, 64 and 32 (64 * 32 = 2048).

    Constraints:

    • <code>2 <= nums.length <= 10<sup>5</sup></code>

    • <code>1 <= numsi<= 10<sup>6</sup></code>

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Class Description
    • Field Summary

      Fields 
      Modifier and Type Field Description
    • Constructor Summary

      Constructors 
      Constructor Description
      Solution()
    • Enum Constant Summary

      Enum Constants 
      Enum Constant Description
    • Method Summary

      Modifier and Type Method Description
      final Long maxProduct(IntArray nums)
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait