Created
February 11, 2017 02:57
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Save phpfiddle/697de4213adcc0253b4f1e3d2a88d524 to your computer and use it in GitHub Desktop.
[ Posted by Marcelo Bonifazio ] ver depois
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<?php | |
$photo = [ | |
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]; | |
$beans = 0; | |
// Percorre as linhas da foto | |
for ($i = 0; $i < sizeof($photo); $i++) | |
{ | |
// Percorre as colunas da foto | |
for ($j = 0; $j < sizeof($photo[$i]); $j++) | |
{ | |
// Encontrou um feijão | |
if ($photo[$i][$j] == 1) | |
{ | |
// Incrementa a quantidade de feijões | |
$beans++; | |
// Atualiza a área do feijão por 2 | |
expandBeanArea($photo, $i, $j); | |
} | |
} | |
} | |
function expandBeanArea (&$photo, $i, $j) | |
{ | |
if ($i < 0 || $i >= sizeof($photo)) return; | |
if ($j < 0 || $j >= sizeof($photo[0])) return; | |
if ($photo[$i][$j] == 1) | |
{ | |
$photo[$i][$j] = 2; | |
expandBeanArea($photo, $i-1, $j-1); | |
expandBeanArea($photo, $i-1, $j); | |
expandBeanArea($photo, $i-1, $j+1); | |
expandBeanArea($photo, $i, $j-1); | |
expandBeanArea($photo, $i, $j+1); | |
expandBeanArea($photo, $i+1, $j-1); | |
expandBeanArea($photo, $i+1, $j); | |
expandBeanArea($photo, $i+1, $j+1); | |
} | |
} | |
echo "Encontrados {$beans} feijões na foto."; | |
?> |
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