Search in Rotated Sorted Array

class Solution {
public:
    int search(vector<int>& nums, int target) 
    {
       int n = nums.size();
        int ans=-1;
        for(int i=0 ; i<n ; i++)
        {
            if(nums[i]==target)
            {
                ans = i;
            }
        }
        return ans;
    }
};