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Decode the Coding Interview in Kotlin: Real-World Examples

DIY: 3Sum Closest

Explore how to implement a function in Kotlin that finds three numbers in an array whose sum is closest to a target value. This lesson helps you develop problem-solving skills by working through a common Amazon interview challenge, preparing you to tackle similar algorithmic questions effectively.

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Problem statement

You are given an integer array nums and an integer variable target as inputs. Your task is to find the three numbers in the given array that sum closest to the value target. You must return the sum of these three numbers.

Constraints

  • 3 <= nums.length <= 1000
  • -1000 <= nums[i] <= 1000
  • -
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