imajinyun /
leetcode-php
| Conditions | 6 |
| Paths | 6 |
| Total Lines | 22 |
| Code Lines | 14 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 1 | ||
| Bugs | 0 | Features | 0 |
| 1 | <?php |
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| 9 | public static function canThreePartsEqualSum(array $arr): bool |
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| 10 | { |
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| 11 | if (empty($arr)) { |
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| 12 | return false; |
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| 13 | } |
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| 14 | $sum = array_sum($arr); |
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| 15 | if ($sum % 3 !== 0) { |
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| 16 | return false; |
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| 17 | } |
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| 18 | $part = $cnt = 0; |
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| 19 | foreach ($arr as $num) { |
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| 20 | $part += $num; |
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| 21 | if ($part === (int) ($sum / 3)) { |
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| 22 | $part = 0; |
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| 23 | $cnt++; |
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| 24 | if ($cnt === 3) { |
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| 25 | return true; |
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| 26 | } |
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| 27 | } |
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| 28 | } |
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| 29 | |||
| 30 | return false; |
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| 31 | } |
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| 33 |
