RosettaCodeData/Task/Create-a-two-dimensional-ar.../Delphi/create-a-two-dimensional-ar...

29 lines
769 B
ObjectPascal

program Project1;
{$APPTYPE CONSOLE}
uses
SysUtils;
var
matrix:array of array of Byte;
i,j:Integer;
begin
Randomize;
//Finalization is not required in this case, but you have to do
//so when reusing the variable in scope
Finalize(matrix);
//Init first dimension with random size from 1..10
//Remember dynamic arrays are indexed from 0
SetLength(matrix,Random(10) + 1);
//Init 2nd dimension with random sizes too
for i := Low(matrix) to High(matrix) do
SetLength(matrix[i],Random(10) + 1);
//End of code, the following part is just output
Writeln(Format('Total amount of columns = %.2d',[Length(matrix)]));
for i := Low(matrix) to High(matrix) do
Writeln(Format('Column %.2d = %.2d rows',[i,Length(matrix[i])]));
Readln;
end.