213. House Robber II

1function rob(nums: number[]): number {
2    if(nums.length === 0) return 0;
3    if(nums.length === 1) return nums[0];
4    
5	   function robLinear(nums: number[]): number {
6		   let prev = 0;
7		   let curr = 0;
8		   
9		   for(const num of nums) {
10			   const temp = curr;
11			   curr = Math.max(curr, prev + num);
12			   prev = temp;
13		   }
14		   
15		   return curr;
16	   }
17	   
18	   const case1 = robLinear(nums.slice(0, nums.length - 1));
19	   const case2 = robLinear(nums.slice(1));
20	   
21	   return Math.max(case1, case2);
22};