<?php
$A = [-9, -2, 1, 5, 9];
$X = -2;
function solution(&$A, $X) {
$N = sizeof($A);
if ($N == 0) {
return -1;
}
$l = 0;
$r = $N - 1;
while ($l < $r ) {
$m = (int)(($l + $r) / 2);
if ($A[$m] === $X)
return $m;
if ($A[$m] > $X) {
$r = $m - 1;
} else {
$l = $m;
}
}
if ($A[$l] == $X) {
return $l;
}
else return -1;
}
var_dump(solution($A, $X));
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.11 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Process exited with code 137.- Output for 5.3.4 - 5.3.29
- Parse error: syntax error, unexpected '[' in /in/p1jdN on line 3
Process exited with code 255.
preferences:
177.11 ms | 401 KiB | 260 Q