2015-02-16から1日間の記事一覧

今日は素因数分解

#!/usr/bin/perl -w use strict; sub primes{ my ($n) = @_; my @searchList = 2..$n; my @primes; while(@searchList and $searchList[@searchList-1] > $n**0.5){ my $prime = shift @searchList; push @primes, $prime; @searchList = grep{$_ % $prime!=…