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(Efficiency Golf) Triangular numbers

by jepri (Parson)
on May 30, 2001 at 09:08 UTC ( [id://84175]=perlmeditation: print w/replies, xml ) Need Help??

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  1. or download this
    foreach my $n (1..1000) {
 $x=.5*$n*($n+1);
 print $x;
}
  2. or download this
    #!/usr/bin/perl
use strict;
...
 } until $x > $num;
 return 0;
}

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