Create a two-dimensional array at runtime: Difference between revisions
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m (→{{header|REXX}}: added DO-END labels, remove superflous blanks. -- ~~~~) |
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=={{header|REXX}}== |
=={{header|REXX}}== |
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<lang rexx> |
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| ⚫ | |||
| ⚫ | |||
call bloat |
call bloat |
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/*no more array named A. at this point.*/ |
/*no more array named A. at this point.*/ |
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exit |
exit |
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/*-------------------------BLOAT subroutine-----------------------------*/ |
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| ⚫ | |||
| ⚫ | |||
say |
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say 'Enter two positive integers (a 2-dimensional array will be created).' |
say 'Enter two positive integers (a 2-dimensional array will be created).' |
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say |
say |
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a.='~' /*default value for all elements so far. */ |
a.='~' /*default value for all elements so far. */ |
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/*this ensures every element has a value. */ |
/*this ensures every element has a value. */ |
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do j=1 for n |
do j=1 for n |
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do k=1 for m |
do k=1 for m |
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if random()//7==0 then a.j.k=j'_'k |
if random()//7==0 then a.j.k=j'_'k /*populate every 7th random*/ |
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end |
end /*k*/ |
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end |
end /*j*/ |
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do jj=1 for n /*now, display the array to the console. */ |
do jj=1 for n /*now, display the array to the console. */ |
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_= |
_= |
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do kk=1 for m |
do kk=1 for m |
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_=_ right(a.jj.kk,4) |
_=_ right(a.jj.kk,4) /*display one row at a time, align the vals*/ |
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end |
end /*kk*/ |
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say _ |
say _ |
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end |
end /*jj*/ |
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/*when the RETURN is executed (from a */ |
/*when the RETURN is executed (from a */ |
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/*PROCEDURE in this case), the array A. is*/ |
/*PROCEDURE in this case), the array A. is*/ |
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/*The same effect is performed by a DROP. */ |
/*The same effect is performed by a DROP. */ |
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drop a. |
drop a. |
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return |
return</lang> |
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'''output''' when the following input is entered after the prompt message: <tt> 30 15 </tt> |
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</lang> |
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Output when |
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<br><br> |
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30 15 |
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<br><br> |
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is entered after the prompt message. |
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<pre style="height:30ex;overflow:scroll"> |
<pre style="height:30ex;overflow:scroll"> |
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~ 1_2 ~ ~ ~ ~ ~ 1_8 1_9 1_10 1_11 ~ ~ ~ ~ |
~ 1_2 ~ ~ ~ ~ ~ 1_8 1_9 1_10 1_11 ~ ~ ~ ~ |
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