Maurice Tutor

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About Maurice Tutor

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Expertise:
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Teaching Since: May 2017
Last Sign in: 406 Weeks Ago, 2 Days Ago
Questions Answered: 66690
Tutorials Posted: 66688

Education

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

Experience

  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 17 Sep 2017 My Price 6.00

random sub-arrays

The University results for the exams have just been declared. The colleges have received marks of N students. Now the teachers want to form groups of students for a seminar. However they do not want students having same marks in one group. They decide to pick random sub-arrays from the array of marks of N students. The teacher wants to find the number of students having different marks in that sub-array.

 

Input

 

  • The first line of the input contains an integer N denoting the number of students.
  • The second line contains N space-separated integers A1, A2, ..., AN denoting the marks of each student.
  • The third line contains M , the number of sub-arrays picked by the teacher
  • The next M lines each contain two integers denoting the range of the sub-array.

 

Output

 

  • Output M lines containing the answer for each sub-array given by the teacher.

 

Constraints

 

  • 1 = N = 30000
  • 1 = M = 50000
  • 1 = Ai = 100000

 

Example

Input: 6 2 4 5 4 3 7 3 1 3 2 4 6 6 Output: 3 2 1

Answers

Maurice Tutor
(5)
Status NEW Posted 17 Sep 2017 12:09 PM My Price 6.00

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