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Showing posts from December, 2021

House Robber - Leetcode

You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent houses have security systems connected and   it will automatically contact the police if two adjacent houses were broken into on the same night . Given an integer array  nums  representing the amount of money of each house, return  the maximum amount of money you can rob tonight  without alerting the police .   Example 1: Input: nums = [1,2,3,1] Output: 4 Explanation: Rob house 1 (money = 1) and then rob house 3 (money = 3). Total amount you can rob = 1 + 3 = 4. Example 2: Input: nums = [2,7,9,3,1] Output: 12 Explanation: Rob house 1 (money = 2), rob house 3 (money = 9) and rob house 5 (money = 1). Total amount you can rob = 2 + 9 + 1 = 12.   Constraints: 1 <= nums.length <= 100 0 <= nums[i] <= 400a Approach This problem can not be solved by g...