Maurice Tutor

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Teaching Since: May 2017
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Education

  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 16 Sep 2017 My Price 3.00

number of pairs

Problem description.

 

Utkarsh found an array A of size N. He needs to report the number of pairs (i,j) where i such that
LCM (A[i], A[j]) > min (A[i], A[j])

 

CONSTRAINTS

 

  • 1
  • 1

 

INPUT

 

First line contains N.
Next line contains N integers of A.

 

OUTPUT

 

output a single integer, the answer to the problem

 

EXAMPLE

 

INPUT

 

4
1 1 2 3

 

OUTPUT

5

Answers

Maurice Tutor
(5)
Status NEW Posted 16 Sep 2017 02:09 PM My Price 3.00

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