text: class Solution {
  public:
      vector<int> searchRange(vector<int>& nums, int target) {
          auto range = equal_range(nums.begin(), nums.end(), target);
          if (range.first == range.second) return {-1, -1};
          return {range.first - nums.begin(), range.second - nums.begin() - 1};
      }
  };
  