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Leetcode
Medium
Arrays
Dynamic Programming
Google
Meta
House Robber
Choose non-adjacent houses to maximize the total amount of money robbed.
Acceptance 65%
Problem Statement
You are given a row of houses, where each house contains some amount of money. A robber wants to maximize the total amount stolen, but cannot rob two adjacent houses on the same night.
Return the maximum amount of money the robber can steal without triggering the alarm.
Input Format
- An integer array
nums, wherenums[i]is the amount of money in thei-th house. - Each house is in a straight line, so house
iis adjacent toi-1andi+1.
Output Format
- Return a single integer: the maximum sum obtainable by choosing houses such that no two chosen houses are adjacent.
Constraints
1 <= nums.length0 <= nums[i]- The answer fits in a 32-bit signed integer.
Examples
Sample cases returned by the problem API.
Example 1
Input
nums = [1,2,3,1]
Output
4
Explanation
Rob houses 1 and 3 (1-indexed), for a total of 1 + 3 = 4.
Example 2
Input
nums = [2,7,9,3,1]
Output
12
Explanation
A best choice is houses with values 2, 9, and 1, giving 12.
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