Package org.drip.graph.subarray

Class ThreeSum

java.lang.Object
org.drip.graph.subarray.ThreeSum
Direct Known Subclasses:
ThreeSumQuadraticComparator, ThreeSumQuadraticHash
public abstract class ThreeSum
extends java.lang.Object
ThreeSum exposes the Check that indicates if the Set of Numbers contains 3 that Sum to Zero. The References are:

  • Chan, T. M. (2018): More Logarithmic Factor Speedups for 3SUM, (median+) Convolution, and some Geometric 3SUM-Hard Problems Proceedings of the 29th Annual ACM SIAM Symposium on Discrete Algorithms 881-897
  • Gajentaan, A., and M. H. Overmars (1995): On a Class of O(n2) Problems in Computational Geometry Computational Geometry: Theory and Applications 5 (3) 165-185
  • Kopelowitz, T., S. Pettie, and E. Porat (2014): Higher Lower Bounds from the 3SUM Conjecture https://arxiv.org/abs/1407.6756 arXiV
  • Patrascu, M. (2010): Towards Polynomial Lower Bounds for Dynamic Problems Proceedings of the 42nd ACM Symposium on Theory of Computing 603-610
  • Wikipedia (2020): 3Sum https://en.wikipedia.org/wiki/3SUM




Author:
Lakshmi Krishnamurthy

  • Method Summary

    Modifier and Type Method Description
    double[] numberArray()
    Retrieve the Number Array
    abstract boolean zeroSumExists()
    Indicate if the Zero Sum Match exists

    Methods inherited from class java.lang.Object

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

  • Method Details

    • numberArray

      public double[] numberArray()
      Retrieve the Number Array
      Returns:
      The Number Array

    • zeroSumExists

      public abstract boolean zeroSumExists()
      Indicate if the Zero Sum Match exists
      Returns:
      TRUE - The Zero Sum Match exists