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There are 31 three digit triangular numbers
There are 307 five digit triangular numbers
...
SIX:    820
TEN:    153
Elapsed time:    0.02    0    0    0    

#!/usr/bin/perl -w # -*-Perl-*-

...
}
my @tim = times();
print "Elapsed time:\t",join "\t", @tim,"\n";