# Leetcode 198. House Robber ###### tags: `Leetcode(JAVA)` 題目 : https://leetcode.com/problems/house-robber/ 。 想法 : DP ! DP ! DP ! dp[n] = max(dp[n-1], dp[n-2] + h[n]); 時間複雜度 : O(n)。 程式碼 : (JAVA) ``` class Solution { public int rob(int[] nums) { int l=nums.length; if(l == 1) return nums[0]; if(l == 2) return Math.max(nums[0], nums[1]); int[] dp=new int[l]; dp[0]=nums[0]; dp[1]=Math.max(nums[0], nums[1]); for(int i=2 ; i<l ; i++){ dp[i]=Math.max(dp[i-1], dp[i-2]+nums[i]); } return dp[l-1]; } } ```
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