Class Solution

java.lang.Object
g0201_0300.s0213_house_robber_ii.Solution

public class Solution extends Object
213 - House Robber II.<p>Medium</p> <p>You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed. All houses at this place are <strong>arranged in a circle.</strong> That means the first house is the neighbor of the last one. Meanwhile, adjacent houses have a security system connected, and <strong>it will automatically contact the police if two adjacent houses were broken into on the same night</strong>.</p> <p>Given an integer array <code>nums</code> representing the amount of money of each house, return <em>the maximum amount of money you can rob tonight <strong>without alerting the police</strong></em>.</p> <p><strong>Example 1:</strong></p> <p><strong>Input:</strong> nums = [2,3,2]</p> <p><strong>Output:</strong> 3</p> <p><strong>Explanation:</strong> You cannot rob house 1 (money = 2) and then rob house 3 (money = 2), because they are adjacent houses.</p> <p><strong>Example 2:</strong></p> <p><strong>Input:</strong> nums = [1,2,3,1]</p> <p><strong>Output:</strong> 4</p> <p><strong>Explanation:</strong> Rob house 1 (money = 1) and then rob house 3 (money = 3). Total amount you can rob = 1 + 3 = 4.</p> <p><strong>Example 3:</strong></p> <p><strong>Input:</strong> nums = [1,2,3]</p> <p><strong>Output:</strong> 3</p> <p><strong>Constraints:</strong></p> <ul> <li><code>1 <= nums.length <= 100</code></li> <li><code>0 <= nums[i] <= 1000</code></li> </ul>
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • rob

      public int rob(int[] nums)