解答一例

※正解ストーリーを読みたい方向け。
※いずれも設定は「PHP」とする。

正則表現のエントリーポイント

性能解析のタイプセーフ

例外処理のタブーサーチ

<?php

define('IS_FROM_STDIN', true);

if (IS_FROM_STDIN){
    $inputArray = getInputArrayFromStdin();
} else {
    $str = <<<EOM
5 6 7
1 3 7 -5 3 8
9 -7 3 2 0 10
1 -1 9 3 -4 -4
0 -9 2 5 -2 7
9 1 4 -8 -9 10
-5 -5 -10 1 -4 -2
-4 -2 -3 -4 -1 6
-3 1 4 -9 2 14
-2 4 11 -14 5 22
7 5 15 -22 -4 32
7 -4 17 -17 -6 39
8 -5 26 -14 -10 35
EOM;
    $inputArray = getInputArrayFromString($str);
}

list($commandCount, $paramCount, $timeCount) = explode(' ', array_shift($inputArray));

$commands = [];
for ($index = 0; $index < $commandCount; $index++) {
    $commands[$index] = explode(' ', $inputArray[$index]);
}
$timeParams = [];
for ($index = 0; $index < $timeCount; $index++) {
    $timeParams[$index] = explode(' ', $inputArray[$commandCount + $index]);
}

$results = [];
$currentParams = array_shift($timeParams);
foreach ($timeParams as $p) {
    $diff = [];
    foreach ($currentParams as $index => $currentParam) {
        $diff[] = $p[$index] - $currentParam;
    }
    $commandIndex = getCommandIndex($diff, $commands);
    $results[] = $commandIndex + 1;
    
    $currentParams = $p;
}

echo join("\n", $results);

function getInputArrayFromStdin()
{
    $inputArray = [];
    while ($input = trim(fgets(STDIN))) {
        $inputArray[] = $input;
    }
    return $inputArray;
}

function getInputArrayFromString($inputStr)
{
    return explode("\n", str_replace(["\r\n", "\r", "\n"], "\n", $inputStr));
}

進化戦略のプロシージャ