16 lines
291 B
Perl
16 lines
291 B
Perl
use 5.20.0;
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my @clothe;
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while( <> ) {
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/(?<x>\d+),(?<y>\d+): (?<w>\d+)x(?<h>\d+)/ or die;
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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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