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ࠓͷ”Ͳ͏ॻ͘”ͷ
ΞϧΰϦζϜྫ
2019/08/28 #nagoyaphp @ttskch
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ʹ͍ͭͯ
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͖ͨͭͪʢ໊͋ͩʣ
• (ג)ΧϧςοτίϛϡχέʔγϣϯζCTO
• WebΤϯδχΞྺ7ɺPHPྺ7
• #nagoyaphpʊ
• #symfony_meetup
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͖ͨͭͪʢ໊͋ͩʣ
• ͓ख͍ͨ͠ຊʢ2015/12ʣ
• Schooߨࢣʢ2018/04ʣ
ʮGitHubΛͬͨσϓϩΠࣗಈԽ࣮ફʯ
ʮجຊ͔Β͔ͬ͠ΓֶͿ Symfony2ೖʯ
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ͨ ͭ ͖ ͪ
twitter.com/ttskch
͋͞ɺ͋ͳͨࠓ͙͢ϑΥϩʔ͠Α͏!!!
શແྉ
·͞ʹ໊ݴػ
ਓੜͰେͳ͜ͱɺͯ͢
͖͔ͨͭͪΒڭΘͬͨ
͖ͨͭͪΛϑΥϩʔͨ͠Β
ࠊ௧͕࣏Γ·ͨ͠
100%
φϯτʂ
ϑΥϩϫʔ͔Βͷࢧ࣋
100%
͍ͯ͠Δ
͍ͯ͠ͳ͍
ϑΥϩϫʔ͞Μ100ਓʹฉ͖·ͨ͠
͖ͨͭͪΛϑΥϩʔ͍ͯ͠Δʁ
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ձࣾʹ͍ͭͯ
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(ג)Χϧςοτίϛϡχέʔγϣϯζ
https://quartet-communications.com
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(ג)Χϧςοτίϛϡχέʔγϣϯζ
https://www.google.co.jp/search?q=Χʔςϯ
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(ג)Χϧςοτίϛϡχέʔγϣϯζ
https://lisket.jp
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We are hiring!ʢϚδͰʣ
• PHPer/JSerઈࢍେืूதʂʢϦϞʔτόΠτՄʣ
• Symfony+AngularͰɺWebࠂۀքΛ
ϗϫΠτʹ͢ΔΈΛ࡞ͬͯ·͢
• ܦӦϏδϣϯʮੈքҰޮతͳཧళʯ
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We are hiring!ʢϚδͰʣ
• ࣗࣾαʔϏεʮLisketʯͰࣗࣾͷۀޮԽ
• શࣾһͷฏۉۀ͕࣌ؒ5h/݄͙Β͍Ͱ͢
ಛผड
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We are hiring!ʢϚδͰʣ
ΤϯδχΞͷಇ͖͢͞େࣄʹͯ͠·͢✨
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We are hiring!ʢϚδͰʣ
·͓͚ͣͩͰʂؾܰʹ͔͚͍ͯͩ͘͞
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/30
We are hiring!ʢϚδͰʣ
࠾༻αΠτ͋Γ·͢ʂͥͻ͍ͯΈ͍ͯͩ͘͞
14
https://quartetcom.co.jp/recruit/engineer/
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ࠓͷ”Ͳ͏ॻ͘”ͷ
ΞϧΰϦζϜྫ
2019/08/28 #nagoyaphp @ttskch
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http://nabetani.sakura.ne.jp/hena/orde16nontri/
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ී௨ʹΔͱ
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public function run(string $input) : string
{
$dec = intval($input);
while (true) {
$bin = decbin(strval(++$dec));
if (strpos($bin, '000') === false &&
strpos($bin, '111') === false) {
return strval($dec);
}
}
}
1૿͠ͳ͕Βɺஞ࣍ʮඇࡾ࿈͔ʁʯΛνΣοΫ͢Δ
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public function run(string $input) : string
{
$dec = intval($input);
while (true) {
$bin = decbin(strval(++$dec));
if (strpos($bin, '000') === false &&
strpos($bin, '111') === false) {
return strval($dec);
}
}
}
1૿͠ͳ͕Βɺஞ࣍ʮඇࡾ࿈͔ʁʯΛνΣοΫ͢Δ
ೖྗͱظͷࠩʹൺྫͯ͠
ܭࢉྔ͕૿͑Δ
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public function run(string $input) : string
{
$dec = intval($input);
while (true) {
$bin = decbin(strval(++$dec));
if (strpos($bin, '000') === false &&
strpos($bin, '111') === false) {
return strval($dec);
}
}
}
1૿͠ͳ͕Βɺஞ࣍ʮඇࡾ࿈͔ʁʯΛνΣοΫ͢Δ
ೖྗͱظͷࠩʹൺྫͯ͠
ܭࢉྔ͕૿͑Δ
100000000000000 (2)
ͱ͔Λೖྗ͞ΕΔͱϠόΠ
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ͯ͠ΈΔ
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ྫᶃ
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ྫᶃ
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100010110001
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100010110001
࠷ॳͷ 000 Λݟ͚ͭΔ
ྫᶃ
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100110110001
ͦΕΛ 001 ʹஔ͖͑Δ
ྫᶃ
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100110110001
ଓ͖Λͯ͢ 001001... Ͱஔ͖͑Δ
ྫᶃ
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100100100100
ଓ͖Λͯ͢ 001001... Ͱஔ͖͑Δ
ྫᶃ
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100100100100
ྫᶃ
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ྫᶄ
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ྫᶄ
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101110101101
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101110101101
࠷ॳͷ 0111 Λݟ͚ͭΔ
ྫᶄ
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110010101101
ͦΕΛ 1001 ʹஔ͖͑Δ
ྫᶄ
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110010101101
ଓ͖Λͯ͢ 001001... Ͱஔ͖͑Δ
ྫᶄ
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110010010010
ଓ͖Λͯ͢ 001001... Ͱஔ͖͑Δ
ྫᶄ
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110010010010
ྫᶄ
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·ͱΊΔͱ
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000͕ઌʹ
͋Δ߹
࠷ॳͷ000Λ001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
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000͕ઌʹ
͋Δ߹
࠷ॳͷ000Λ001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
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000͕ઌʹ
͋Δ߹
࠷ॳͷ000Λ001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
ઌ಄͕111ͩͬͨΒʁ
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000͕ઌʹ
͋Δ߹
࠷ॳͷ000Λ001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
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000͕ઌʹ
͋Δ߹
࠷ॳͷ000Λ001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
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000͕ઌʹ
͋Δ߹
࠷ॳͷ000Λ001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
͞Βʹͻͱ…
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1000͕ઌʹ
͋Δ߹
࠷ॳͷ1000Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
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1000͕ઌʹ
͋Δ߹
࠷ॳͷ1000Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
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1000͕ઌʹ
͋Δ߹
࠷ॳͷ1000Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
࠷ॳͷ0111Λ1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
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1000͕ઌʹ
͋Δ߹
࠷ॳͷ1000·ͨ0111Λ
1001ʹஔͯ͠
ΓΛ001ͷ॥ͰຒΊΔ
0111͕ઌʹ
͋Δ߹
͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
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ྫᶅ
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ྫᶅ
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110111010110
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ྫᶅ
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01101110101100
ઌ಄ʹ 0 Λ༩͢Δ
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01101110101100
࠷ॳͷ 0111 Λݟ͚ͭΔ
ྫᶅ
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01110010101100
ͦΕΛ 1001 ʹஔ͖͑Δ
ྫᶅ
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01110010101100
ଓ͖Λͯ͢ 001001... Ͱஔ͖͑Δ
ྫᶅ
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01110010010010
ଓ͖Λͯ͢ 001001... Ͱஔ͖͑Δ
ྫᶅ
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111001001001
ʁ
ྫᶅ
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111001001001
൱ʂ
ྫᶅ
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མͱ݀͠
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• 0111Λ1001ʹஔͨ͜͠ͱͰɺ
111͕৽ͨʹ࡞ΒΕͯ͠·͏߹͕͋Δ
• ಉ͡ૢ࡞Λ܁Γฦ͢ඞཁ͕͋Δʂ
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݁
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• ͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
• ࠷ॳͷ1000·ͨ0111Λ1001ʹஔͯ͠
• ΓΛ001ͷ॥ͰຒΊΔ
• ઌ಄ͷ0ΛऔΓআ͘
• …ͱ͍͏ૢ࡞Λඇࡾ࿈ʹͳΔ·Ͱ܁Γฦ͢
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• ͋Β͔͡Ίઌ಄ʹ0Λ༩্͓͍ͯͨ͠Ͱ
• ࠷ॳͷ1000·ͨ0111Λ1001ʹஔͯ͠
• ΓΛ001ͷ॥ͰຒΊΔ
• ઌ಄ͷ0ΛऔΓআ͘
• …ͱ͍͏ૢ࡞Λඇࡾ࿈ʹͳΔ·Ͱ܁Γฦ͢
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࣮ྫ
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
Ұ࿈ͷॲཧΛ܁Γฦ͢
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
2ਐʹมͯ͠ઌ಄ʹ0Λ༩
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
࠷ॳͷ1000·ͨ0111Λ୳͢
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
ݟ͔ͭΒͳ͚Εඇࡾ࿈ͷ
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
ઌ಄ͷ0ΛऔΓআ͖ͭͭ
(1000|0111)ΑΓલͷ෦Λୀආ
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
(1000|0111)ΑΓޙͷ෦Λ001...Ͱஔ
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
ʮલʴ1001ʴޙʯͱ࿈݁ͯ͠10ਐʹ
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public function run(string $input) : string
{
$dec = intval($input) + 1;
while (true) {
$bin = '0' . decbin($dec);
preg_match('/(.*?)(1000|0111)(.*)/', $bin, $m);
if (empty($m)) {
return strval($dec);
}
$head = ltrim($m[1], '0');
$tailLength = strlen($m[3]);
$tail = substr(
str_repeat('001', intval(floor($tailLength / 3)) + 1),
0,
$tailLength);
$dec = strval(bindec($head . '1001' . $tail));
}
}
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https://github.com/
ttskch/nagoyaphp17
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@ttskch
ʘThanks!ʗ