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Create a two-dimensional array at runtime: Difference between revisions
Create a two-dimensional array at runtime (view source)
Revision as of 22:03, 3 July 2007
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{{task}}
Get two integers from the user, then create a two-dimensional array where the two dimensions have the sizes given by those numbers, and which can be accessed in the most natural way possible. Write some element of that array, and then oputput that element. Finally destroy the array if not done by the language itself.
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==[[C plus plus|C
[[Category:C plus plus]]
With language built-in facilities:
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double* array_data = new double[dim1*dim2];
double** array = new double*[dim1];
for (int i = 0; i < dim1;
array[i] = array_data
// write element
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Double[][] array = new Double[nbr1][nbr2];
array[0][0] = 42.0;
System.out.println("The number at place [0 0] is "
} catch(IOException e) { }
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sub make_array($ $){
# get array sizes from provided params, but force numeric value
my $x = ($_[0] =~ /^\d
my $y = ($_[0] =~ /^\d
# define array, then add multi-dimensional elements
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