[LeetCode] Count the Number of Beautiful Subarrays

1 · · March 12, 2023, 3:28 a.m.
2588. Count the Number of Beautiful Subarrays You are given a 0-indexed integer array nums. In one operation, you can: Choose two different indices i and j such that 0 <= i, j < nums.length. Choose a non-negative integer k such that the kth bit (0-indexed) in the binary representation of nums[i] and nums[j] is 1. Subtract 2k from nums[i] and nums[j]. A subarray is beautiful if it is possible to make all of its elements equal to 0 after applying the above operation any number of times. Return ...