horiuchi #5426(2008/01/22 10:18 GMT) [ Perl ] Rating0/0=0.00
Perlがなかったので投稿。C#のほぼそのままなので、あまりPerlらしいコードでない気がします。
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#!/usr/bin/perl use strict; use warnings; sub print_matrix($$) { my $turn = shift; my $matrix = shift; print "t={$turn}\n"; foreach my $row(@$matrix) { foreach my $cell(@$row) { print '[', print_cell($cell), ']'; } print "\n"; } print "\n"; } sub print_cell($) { return ($_[0]?'*':' '); } sub next_step($$) { my $turn = shift; my $matrix = shift; my $result = []; $turn++; for (my $y=0; $y<@$matrix; $y++) { push(@$result, []); for (my $x=0; $x<@{$matrix->[$y]}; $x++) { my $count = count_alive_cell($matrix, $y, $x); #print "($y,$x) = $count\n"; push(@{$result->[-1]}, ($count == 3)? 1: ($count == 2)? $matrix->[$y][$x]: 0 ); } } return $turn, $result; } sub count_alive_cell($$$) { my $matrix = shift; my $y = shift; my $x = shift; return cell_value($matrix, $y-1, $x-1) + cell_value($matrix, $y-1, $x) + cell_value($matrix, $y-1, $x+1) + cell_value($matrix, $y , $x-1) + + cell_value($matrix, $y , $x+1) + cell_value($matrix, $y+1, $x-1) + cell_value($matrix, $y+1, $x) + cell_value($matrix, $y+1, $x+1) } sub cell_value($$$) { my $matrix = shift; my $y = shift; my $x = shift; $y -= @$matrix if ($y >= @$matrix); $x -= @{$matrix->[$y]} if ($x >= @{$matrix->[$y]}); return $matrix->[$y][$x]; } sub main($) { my $max_turn = shift; my $turn = 1; # my $matrix = [ # [qw/0 1 0 0 0 0 1 1 1 0/], # [qw/0 0 0 0 1 0 0 1 1 0/], # [qw/0 0 0 1 0 0 1 0 1 0/], # [qw/1 0 1 1 0 0 1 0 0 0/], # [qw/0 1 0 0 0 0 0 0 1 0/], # [qw/1 0 0 0 1 0 1 1 0 1/], # [qw/0 1 0 0 0 0 1 0 0 0/], # [qw/0 0 0 0 0 0 0 0 0 1/], # [qw/1 0 0 0 0 0 1 0 0 1/], # [qw/0 0 0 0 1 1 0 0 1 0/], # ]; my $matrix = [ [qw/0 0 0 0 0 0 0 1 0 0/], [qw/0 0 0 0 0 0 1 0 0 0/], [qw/0 0 0 0 0 0 1 1 1 0/], [qw/0 0 0 0 0 0 0 0 0 0/], [qw/0 0 0 0 0 0 0 0 0 0/], [qw/0 0 0 0 0 0 0 0 0 0/], [qw/0 0 0 0 0 0 0 0 0 0/], [qw/0 0 0 0 0 0 0 0 0 0/], [qw/0 0 0 0 0 0 0 0 0 0/], [qw/0 0 0 0 0 0 0 0 0 0/], ]; print_matrix($turn, $matrix); for (my $i=1; $i<$max_turn; $i++) { ($turn, $matrix) = next_step($turn, $matrix); print_matrix($turn, $matrix); } } main(41);
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horiuchi
#5426()
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Perl
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Perlがなかったので投稿。C#のほぼそのままなので、あまりPerlらしいコードでない気がします。
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