House Robber?

int HouseRobber(int[] nums) {

if (nums.Length == 0) return 0;

if (nums.Length == 1) return nums[0];

int prev1 = 0, prev2 = 0;

foreach (var num in nums) {

int temp = prev1;

prev1 = Math.Max(prev2 + num, prev1);

prev2 = temp;

return prev1;