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(Efficiency Golf) Triangular numbers

by jepri (Parson)
on May 30, 2001 at 09:08 UTC ( #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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