How to Solve Check if Bitwise O R Has Trailing Zeros Problem
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Check if Bitwise OR Has Trailing Zeros
You are given an array of positive integers nums. You have to check if it is possible to select two or more elements in the array such that the bitwise OR of the selected elements has at least one tra...
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Understanding the Check if Bitwise O R Has Trailing Zeros Problem
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Problem Statement
You are given an array of positive integers nums. You have to check if it is possible to select two or more elements in the array such that the bitwise OR of the selected elements has at least one trailing zero in its binary representation. For example, the binary representation of 5, which is "101", does not have any trailing zeros, whereas the binary representation of 4, which is "100", has two trailing zeros. Return true if it is possible to select two or more elements whose bitwise OR has trailing zeros, return false otherwise.
Check if Bitwise OR Has Trailing Zeros
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Examples
nums = [1,2,3,4,5]trueIf we select the elements 2 and 4, their bitwise OR is 6, which has the binary representation "110" with one trailing zero.
nums = [2,4,8,16]trueIf we select the elements 2 and 4, their bitwise OR is 6, which has the binary representation "110" with one trailing zero. Other possible ways to select elements to have trailing zeroes in the binary representation of their bitwise OR are: (2, 8), (2, 16), (4, 8), (4, 16), (8, 16), (2, 4, 8), (2, 4, 16), (2, 8, 16), (4, 8, 16), and (2, 4, 8, 16).
nums = [1,3,5,7,9]falseThere is no possible way to select two or more elements to have trailing zeros in the binary representation of their bitwise OR.
Constraints
2 <= nums.length <= 1001 <= nums[i] <= 100How Interview Coder Helps with Leetcode Problems
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