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#!/usr/bin/perl use strict; my $endNum = 100; my %hashFizzBuzz = ( 'Fizz' => 3 ,'Buzz' => 5 ); for(my $i=1; $i<=$endNum; $i++){ printFizzBuzz($i); } exit 0; sub printFizzBuzz(){ my $num = shift(); my $flag = 0; my @arrayFizzBuzz = keys(%hashFizzBuzz); foreach my $key (@arrayFizzBuzz){ my $result = $num % $hashFizzBuzz{$key}; if($result == 0 ){ print $key if($result == 0 ); $flag = 1; } } print $num if($flag == 0); print "\n"; } |
終了値を引数にして、入力チェックをつけてみた。
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#!/usr/bin/perl use strict; my $endNum = validate(\@ARGV); my %hashFizzBuzz = ( 'Fizz' => 3 ,'Buzz' => 5 ); for(my $i=1; $i< =$endNum; $i++){ printFizzBuzz($i); } exit 0; sub printFizzBuzz(){ my $num = shift(); my $flag = 0; my @arrayFizzBuzz = keys(%hashFizzBuzz); foreach my $key (@arrayFizzBuzz){ my $result = $num % $hashFizzBuzz{$key}; if($result == 0 ){ print $key if($result == 0 ); $flag = 1; } } print $num if($flag == 0); print "\n"; } sub validate(){ my $val = shift(); if(@$val != 1){ print "Too many args.\n"; exit 1; } if($val->[0] !~ /^\d+$/ || $val->[0] < = 0 ){ print "input error.\n"; exit 1; } return $val->[0]; } |