Submission #121600

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Source Code Expand

<?php
$inputs = array();
fscanf(STDIN, "%d", $a);
for ($i=0;$i < $a;$i++) {
    fscanf(STDIN, "%s", $inputs[$i]);
}

// echo $ret .  ' ' . $w . "\n";

// 初期化
$rain_data = array();
for ($i=0;$i<24;$i++) {
    for ($j=0;$j<12;$j++) {
        $rain_data[$i][$j] = 0;
    }
}

foreach ($inputs as $input) {
    $time = explode('-', $input);
    $time[0] = roundStartTime($time[0]);
    $time[1] = roundEndTime($time[1]);

    $start_time_hour_key = sprintf('%d', substr($time[0], 0, 2));
    $start_time_min_key  = floor( (int) substr($time[0], 2, 2) / 5);
    $end_time_hour_key   = sprintf('%d', substr($time[1], 0, 2));
    $end_time_min_key    = floor( (int) substr($time[1], 2, 2) / 5) - 1;

    for ($i=$start_time_hour_key;$i<=$end_time_hour_key;$i++) {
        if ($start_time_hour_key == $end_time_hour_key) {
            // ex) 1105-1150
            for ($j=$start_time_min_key;$j<=$end_time_min_key;$j++) {
                $rain_data[$i][$j] = 1;
            }
        } elseif ($i == $end_time_hour_key) {
            // ex) 1120-1230 -> 1200-1230
            for ($j=0;$j<=$end_time_min_key;$j++) {
                $rain_data[$i][$j] = 1;
            }
        } else {
            // ex) 1120-1230 -> 1120-1200
            for ($j=$start_time_min_key;$j<12;$j++) {
                $rain_data[$i][$j] = 1;
            }
        }
    }
}

$output = array();
$is_process = false;
foreach ($rain_data as $hour => $mins) {
    foreach ($mins as $key => $val) {
        if ($val === 1) {
            if ($is_process === false) {
                $start_minute = $key * 5;
                $start_hour = sprintf('%02d', $hour);
                $start_minute = sprintf('%02d', $start_minute);
                $start_time = $start_hour . $start_minute;

                $end_minute = $key * 5 + 5;
                if ($key == 11) {
                    $end_minute = 0;
                    $hour++;
                }

                $end_hour = sprintf('%02d', $hour);
                $end_minute = sprintf('%02d', $end_minute);
                $end_time = $end_hour . $end_minute;
                $is_process = true;
            } else {
                $end_minute = $key * 5 + 5;
                if ($key == 11) {
                    $end_minute = 0;
                    $hour++;
                }

                $end_hour = sprintf('%02d', $hour);
                $end_minute = sprintf('%02d', $end_minute);
                $end_time = $end_hour . $end_minute;

                if ($end_time == 2400) {
                    $output[] = $start_time . '-' . $end_time;
                }
            }
        } else {
            if ($is_process === true) {
                $output[] = $start_time . '-' . $end_time;
                $is_process = false;
            }
        }
    }
}

// output
foreach ($output as $val) {
    echo $val ."\n";
}
// var_dump($rain_data);

function roundStartTime($start_time) {
    round($start_time);
    $last_keta = substr($start_time, -1);
    $first_keta = substr($start_time, 0, 3);
    if (0 <= $last_keta && $last_keta < 5) {
        $last_keta = 0;
    } else {
        $last_keta = 5;
    }

    return $first_keta . $last_keta;
}

function roundEndTime($end_time) {
    $first_digit_minute  = substr($end_time, 2, 1);
    $second_digit_minute = substr($end_time, -1);
    $hour = substr($end_time, 0, 2);
    if (1 <= $second_digit_minute && $second_digit_minute <= 5) {
        $second_digit_minute = 5;
    } elseif (6 <= $second_digit_minute && $second_digit_minute <= 9) {
        $second_digit_minute = 0;
        if ($first_digit_minute > 5) {
            $first_digit_minute = 0;
        } else {
            $first_digit_minute++;
        }
    }

    // 1300の場合はkeyにするときに面倒なので1259ということにする
    if ($first_digit_minute == 0 && $second_digit_minute == 0) {
        $hour--;
        $first_digit_minute = 5;
        $second_digit_minute = 9;
    }

    return $hour . $first_digit_minute . $second_digit_minute;
}
?>

Submission Info

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