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Commit 1f3b109

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  • Medium/1749. Maximum Absolute Sum of Any Subarray

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<?php
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class Solution
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{
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/**
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* @param Integer[] $nums
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* @return Integer
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*/
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public function maxAbsoluteSum($nums)
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{
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$maxSum = 0;
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$minSum = 0;
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$currentMax = 0;
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$currentMin = 0;
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foreach ($nums as $num) {
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$currentMax = max(0, $currentMax + $num);
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$maxSum = max($maxSum, $currentMax);
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$currentMin = min(0, $currentMin + $num);
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$minSum = min($minSum, $currentMin);
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}
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return max(abs($maxSum), abs($minSum));
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}
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}
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$solution = new Solution();
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$nums = [1, -3, 2, 3, -1];
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echo $solution->maxAbsoluteSum($nums); // Output: 5

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