imajinyun /
leetcode-php
| Conditions | 7 |
| Paths | 10 |
| Total Lines | 19 |
| Code Lines | 11 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 2 | ||
| Bugs | 0 | Features | 0 |
| 1 | <?php |
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| 23 | public static function isMonotonic2(array $arr): bool |
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| 24 | { |
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| 25 | if (empty($arr)) { |
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| 26 | return false; |
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| 27 | } |
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| 28 | $inc = $dec = true; |
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| 29 | for ($i = 0, $n = count($arr) - 1; $i < $n; $i++) { |
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| 30 | if ($arr[$i] > $arr[$i + 1]) { |
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| 31 | $inc = false; |
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| 32 | } |
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| 33 | if ($arr[$i] < $arr[$i + 1]) { |
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| 34 | $dec = false; |
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| 35 | } |
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| 36 | if ($inc === false && $dec === false) { |
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| 37 | return false; |
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| 38 | } |
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| 39 | } |
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| 40 | |||
| 41 | return true; |
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| 42 | } |
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| 44 |
