32 lines
587 B
Perl
32 lines
587 B
Perl
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use 5.20.0;
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my @lines =
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map {
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/(?<id>\d+).*?(?<x>\d+),(?<y>\d+): (?<w>\d+)x(?<h>\d+)/ or die;
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+{ %+ }
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}
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<>;
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my @clothe;
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for ( @lines ) {
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for my $x ( $_->{x}...$_->{x}+$_->{w}-1 ) {
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for my $y ( $_->{y}...$_->{y}+$_->{h}-1 ) {
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$clothe[$x][$y]++
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}
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}
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}
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say scalar grep { $_ > 1 } map { $_ ? @$_ : () } @clothe;
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LINE: for ( @lines ) {
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for my $x ( $_->{x}...$_->{x}+$_->{w}-1 ) {
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for my $y ( $_->{y}...$_->{y}+$_->{h}-1 ) {
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next LINE if $clothe[$x][$y] > 1;
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}
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}
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say $_->{id};
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}
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