c++ 40ms easy understand


  • 0
    L

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


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