leetcode

0 class Solution {

1 public:

2 int flipLights(const int n, const int presses) const {

3 if (n == 0 || presses == 0) return 1;

4 if (n == 1) return 2;

5 if (n == 2) return presses == 1 ? 3 : 4;

6 if (presses == 1) return 4;

7 return presses == 2 ? 7 : 8;

8 }

9 };