Thursday, May 12, 2022

[LeetCode] 217. Contains Duplicate

     

"踏上LeetCode解題之路,順手紀錄一下PHP練功的過程囉。這是第十七篇~~"


Contains Duplicate - LeetCode


思考過程

待補上


結果

class Solution {

    /**
     * @param Integer[] $nums
     * @return Boolean
     */
    function containsDuplicate($nums) {
        
       
        sort($nums); //由小排到大
        
//         $count = count($nums);
        
//         echo $count;
        
        for($i = 1 ;$i < count($nums) ;$i++ ) {            
            
            
            if($nums[$i] == $nums[$i-1]) {                
                return true;
            }
            
        }
		return false;        
    }
    
}

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