Leetcode 217. Contains Duplicate

文章作者：Tyan
博客：noahsnail.com  |  CSDN  |  简书

1. Description

2. Solution

class Solution {
public:
    bool containsDuplicate(vector<int>& nums) {
        set<int> s(nums.begin(), nums.end());
        return s.size() != nums.size();
    }
};

Reference

1. https://leetcode.com/problems/contains-duplicate/description/