Maurice Tutor

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Expertise:
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Teaching Since: May 2017
Last Sign in: 305 Weeks Ago, 6 Days Ago
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Education

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

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Communications Posted 13 Jul 2017 My Price 13.00

standard input and tests

An n x n matrix that is filled with the whole numbers 1, 2, 3, .. n^2 is a magic square if the sum of the elements in each row, in each column, and in the two diagonals is the same value.

Here is a magic square where n = 3:

8 1 6
3 5 7
4 9 2

Write a program that reads n^2 numbers from standard input and tests whether they form a magic square when put into matrix form. The value of n is NOT an input to the program; n must be determined from the number of inputs.

For example, the input that creates the example matrix above is: 8 1 6 3 5 7 4 9 2.

The output is a single word, "true" if the input produces a magic square, "false" otherwise. Your program may assume that each input token is a whole number.

The program must verify:

1. The proper number of input values was provided.

2. Each of the numbers between 1 and n2 occurs exactly once in the input.

3. When the numbers are arranged in a matrix,

Ac€?c the sum of the rows,

Ac€?c columns,

Ac€?c and diagonals

must be the same value

Answers

Maurice Tutor
(5)
Status NEW Posted 13 Jul 2017 01:07 PM My Price 13.00

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