class Solution {
public:
bool containsDuplicate(vector<int>& nums) {
unordered_set<int> set;
int n=nums.size();
for(int i=0;i<n;i++)
{
if(set.find(nums[i])!=set.end())
return true;
set.insert(nums[i]);
}
return false;
}
};
leetcode 217: Contains Duplicate
最新推荐文章于 2024-03-05 15:58:48 发布