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时间:2010-10-19 来源:icybay
#!/usr/bin/perl -w use strict; my ($a,$b,$c); $b=0; for ($a=6;$a<1001;$a++) { my $flag; for($c=2;$c<$a;$c++) { if($a%$c) { $flag=1; next; } else { $flag=0; last; } } if($flag==1) { $b++; print $a."\n"; } } print "There are $b in all.\n";
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1970-01-01