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Tuesday, August 30, 2011

Problem:
Given an array of integers. How do we pick two numbers such that their sum is closest to zero.
Solution: 

  • Sort the array by comparing absolute value.
  • traverse the array once to find the two consecutive numbers with minimum sum.

Complexity: O(n log n)
Code:



Posted by anantha at 8/30/2011 03:52:00 PM
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