Total circles area: Difference between revisions
Added Perl example
SqrtNegInf (talk | contribs) (Added Perl example) |
|||
Line 1,766:
Output:
<pre>Approximated area: 2.1561559772003317e+01</pre>
=={{header|Perl}}==
{{trans|Python}}
<lang perl>use strict;
use warnings;
use feature 'say';
use List::AllUtils <min max>;
my @circles = (
[ 1.6417233788, 1.6121789534, 0.0848270516],
[-1.4944608174, 1.2077959613, 1.1039549836],
[ 0.6110294452, -0.6907087527, 0.9089162485],
[ 0.3844862411, 0.2923344616, 0.2375743054],
[-0.2495892950, -0.3832854473, 1.0845181219],
[ 1.7813504266, 1.6178237031, 0.8162655711],
[-0.1985249206, -0.8343333301, 0.0538864941],
[-1.7011985145, -0.1263820964, 0.4776976918],
[-0.4319462812, 1.4104420482, 0.7886291537],
[ 0.2178372997, -0.9499557344, 0.0357871187],
[-0.6294854565, -1.3078893852, 0.7653357688],
[ 1.7952608455, 0.6281269104, 0.2727652452],
[ 1.4168575317, 1.0683357171, 1.1016025378],
[ 1.4637371396, 0.9463877418, 1.1846214562],
[-0.5263668798, 1.7315156631, 1.4428514068],
[-1.2197352481, 0.9144146579, 1.0727263474],
[-0.1389358881, 0.1092805780, 0.7350208828],
[ 1.5293954595, 0.0030278255, 1.2472867347],
[-0.5258728625, 1.3782633069, 1.3495508831],
[-0.1403562064, 0.2437382535, 1.3804956588],
[ 0.8055826339, -0.0482092025, 0.3327165165],
[-0.6311979224, 0.7184578971, 0.2491045282],
[ 1.4685857879, -0.8347049536, 1.3670667538],
[-0.6855727502, 1.6465021616, 1.0593087096],
[ 0.0152957411, 0.0638919221, 0.9771215985],
);
my $x_min = min map { $_->[0] - $_->[2] } @circles;
my $x_max = max map { $_->[0] + $_->[2] } @circles;
my $y_min = min map { $_->[1] - $_->[2] } @circles;
my $y_max = max map { $_->[1] + $_->[2] } @circles;
my $dx = ($x_max - $x_min) / $box_side;
my $dy = ($y_max - $y_min) / $box_side;
my $box_side = 500;
my $count = 0;
for my $r (0..$box_side) {
my $y = $y_min + $r * $dy;
for my $c (0..$box_side) {
my $x = $x_min + $c * $dx;
for my $c (@circles) {
$count++ and last if ($x - $$c[0])**2 + ($y - $$c[1])**2 <= $$c[2]**2
}
}
}
printf "Approximated area: %.9f\n", $count * $dx * $dy;</lang>
{{out}}
<pre>Approximated area: 21.561559772</pre>
=={{header|Perl 6}}==
| |||