- print_r: documentation ( source)
- max: documentation ( source)
<?php
function solution($A) {
$n = sizeof($A);
$result = 0;
for ($i = 0; $i < $n - 1; $i++) {
if ($A[$i] == $A[$i + 1])
$result = $result + 1;
}
print_r($result);
$r = 0;
for ($i = 0; $i < $n; $i++) {
$count = 0;
if ($i > 0) {
if ($A[$i - 1] != $A[$i])
$count = $count + 1;
else
$count = $count - 1;
}
if ($i < $n - 1) {
if ($A[$i + 1] != $A[$i])
$count = $count + 1;
else
$count = $count - 1;
}
print_r($r, $count);
$r = max($r, $count);
}
return $result + $r;
}
$A[0] = 1;
$A[1] = 1;
$A[2] = 0;
$A[3] = 1 ;
$A[4] = 0 ;
$A[5] = 0;
$A[6] = 0;
print_r(solution($A));