解答2018刑侦推理试题

这是网上很火的2018刑侦推理试题，作为程序员当然想的是如何用编程得出答案.

<?php
error_reporting(0);
$option = array('A','B','C','D');
function check_1($data){
    return true;
}

function check_2($data){
    $question = array('A'=>'C','B'=>'D','C'=>'A','D'=>'B');
    if($question[$data[2]] == $data[5]) return true;
    return false;
}

function check_3($data){
    $question = array('A'=>$data[3],'B'=>$data[6],'C'=>$data[2],'D'=>$data[4]);
    $answer = $question[$data[3]];
    unset($question[$data[3]]);
    if(!in_array($answer,$question)) return true;
    return false;
}

function check_4($data){
    $question = array('A'=>$data[1]==$data[5],'B'=>$data[2]==$data[7],'C'=>$data[1]==$data[9],'D'=>$data[6]==$data[10]);
    return $question[$data[4]];
}

function check_5($data){
    $question = array('A'=>$data[8],'B'=>$data[4],'C'=>$data[9],'D'=>$data[7]);
    if($question[$data[5]] == $data[5]) return true;
    return false;
}

function check_6($data){
    $question = array('A'=>$data[2]==$data[4] && $data[4]==$data[8],'B'=>$data[1]==$data[6] && $data[6]==$data[8],'C'=>$data[3]==$data[10] && $data[10]==$data[8],'D'=>$data[5]==$data[9] && $data[9]=$data[8]);
    return $question[$data[6]];    
}

function check_7($data){
    $question = array('A'=>'C','B'=>'B','C'=>'A','D'=>'D');
    $count = array_count_values($data);
    arsort($count);
    if(array_pop(array_keys($count))==$question[$data[7]]) return true;
    return false;
}

function check_8($data){
    $map = array('A'=>1,'B'=>2,'C'=>3,'D'=>4);
    $question = array('A'=>$data[7],'B'=>$data['5'],'C'=>$data['2'],'D'=>$data['10']);
    if(abs($map[$data[1]] - $map[$question[$data[8]]])>1) return true;
    return false;
}

function check_9($data){
    $question = array('A'=>$data[6],'B'=>$data[10],'C'=>$data[2],'D'=>$data[9]);
    if(($question[$data[9]] == $data[5])!=($data[1] == $data[6]))return true;
    return false;
    
}

function check_10($data){
    $question = array('A'=>3,'B'=>2,'C'=>4,'D'=>1);
    $count = array_count_values($data);
    arsort($count);
    $min = array_pop($count);
    asort($count);
    $max = array_pop($count);
    if($question[$data[10]] == $max-$min) return true;
    return false;
}

foreach($option as $v[1]){
    foreach($option as $v[2]){
        foreach($option as $v[3]){
            foreach($option as $v[4]){
                foreach($option as $v[5]){
                    foreach($option as $v[6]){
                        foreach($option as $v[7]){
                            foreach($option as $v[8]){
                                foreach($option as $v[9]){
                                    foreach($option as $v[10]){
                                        for($i=1;$i<=10;$i++){
                                            $answer[$i] = $v[$i];
                                        }
                                        for($i=1;$i<=10;$i++){
                                            $func = "check_".$i;
                                            if(!$func($answer)) break;
                                        }
                                        if($i == 11) {echo implode(' ',$answer)."
";die;}
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}

结果输出：B C A C A C D A B A