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Ruby program to read and print two-dimensional array

belongs to collection: Ruby Arrays Programs

YasminRadwan26
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2022-07-22
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In this program, we will create a two-dimensional array. Then we read and print the elements of the 2D array.

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YasminRadwan26
2022-07-22
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Program/Source Code:

The source code to read and print the two-dimensional array is given below. The given program is compiled and executed successfully.

# Ruby program to read and print 
# two-dimensional array

TwoDArr = Array.new(2){Array.new(2)}

printf "Enter elements of MATRIX:\n";
i = 0;
while (i < 2) 
  j = 0;
  while (j < 2) 
    printf "ELEMENT [%d][%d]: ", i, j;
    TwoDArr[i][j] =  gets.chomp.to_i;
    j = j + 1;
  end
  i = i + 1;
end

printf "MATRIX:\n";
i = 0;
while (i < 2)
  j = 0;
  while (j < 2) 
    print TwoDArr[i][j]," ";
    j = j + 1;
  end
  i = i + 1;
  print "\n";
end

Output:

Enter elements of MATRIX:
ELEMENT [0][0]: 1
ELEMENT [0][1]: 2
ELEMENT [1][0]: 3
ELEMENT [1][1]: 4
MATRIX:
1 2 
3 4

Explanation:

In the above program, we created a two-dimensional array TwoDArr. Then we read the elements of the 2D array. After that, we printed the 2D array.

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