Leetcode之PHP版题目解析(167. Two Sum II - Input array is sorted)


2019-3-21   

Leetcode之PHP版题目解析(231. Power of Two)

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是Leetcode

0


  /**
     * @param Integer[] $numbers
     * @param Integer $target
     * @return Integer[]
     */
    function twoSum($numbers, $target) {
          $start=0;
          $end=count($numbers)-1;
          while($start<$end) {
            $sum=$numbers[$start]+$numbers[$end];
            if($sum==$target) return [$start+1,$end+1];
            else if($sum>$target) $end--;
            else $start++;
        }
    }

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