40ms C++ solution


  • 0
    F
    class Solution {
    public:
        bool containsDuplicate(vector<int>& nums) {
            sort(nums.begin(),nums.end());
            if(nums.size()<2){return false;}
            int i;
            for(i=0;i<nums.size()-1;i++){
                if(nums[i]==nums[i+1]){return true;}
            }
            return false;
           
        }
    };

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