503. Next Greater Element II

class Solution {
public:
    vector<int> nextGreaterElements(vector<int>& nums) {
        vector<int> ans;

        for(int i=0; i<nums.size(); i++)
        {
            int j = i+1, ans1 = -1;
            

            //if the i is at last position j will be 0
            j = j%(nums.size());

            while( i!=j )
            {
                if(nums[i]<nums[j])
                {
                    ans1 = nums[j];
                    break;
                }

                j++;

                // if(j==nums.size())
                //     j = 0;

                //we can also use this to circulate the array
                j = j%nums.size();

            }
            ans.push_back(ans1);
        }
        return ans;
    }
};