$reindeerDetails[$name]['curPeriod'] = $reindeer['time'];
$reindeerDetails[$name]['inRest'] = false;
}
} else {
$reindeerDetails[$name]['curPeriod']--;
$reindeerDetails[$name]['curDistance'] += $reindeer['speed'];
if ($reindeerDetails[$name]['curPeriod'] <= 0) {
$reindeerDetails[$name]['curPeriod'] = $reindeer['rest'];
$reindeerDetails[$name]['inRest'] = true;
}
}
if ($reindeerDetails[$name]['curDistance'] > $curMax) {
$curMax = $reindeerDetails[$name]['curDistance'];
$curWinner = array($name);
} elseif ($reindeerDetails[$name]['curDistance'] == $curMax) {
$curWinner[] = $name;
}
}
foreach ($curWinner as $winner) {
if (empty($arrPoints[$winner])) {
$arrPoints[$winner] = 0;
}
$arrPoints[$winner]++;
}
}
print_r($arrPoints);
}
$seconds = 2503;
//$seconds = 10;
calcWinner(file_get_contents('day14.txt'), $seconds);
{
$reindeerDetails = getReindeerDetails($in);
$maxDistance = 0;
foreach ($reindeerDetails as $name => $reindeer) {
$distance = calcDistance($seconds, $reindeer);
if ($distance > $maxDistance) {
$maxDistance = $distance;
}
}
echo "Winning reindeer went {$maxDistance}\n";
}
function calcDistance($seconds, $reindeer)
{
$elapsed = 0;
$distance = 0;
$inRest = false;
while ($elapsed < $seconds) {
if ($inRest) {
$elapsed += $reindeer['rest'];
$inRest = false;
} else {
$timeLeft = min($seconds - $elapsed, $reindeer['time']);
$distance += $reindeer['speed'] * $timeLeft;
$inRest = true;
$elapsed += $timeLeft;
}
}
return $distance;
}
calcWinner(file_get_contents('day14.txt'), 2503);
