g0101_0200.s0198_house_robber.Solution Maven / Gradle / Ivy
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Java-based LeetCode algorithm problem solutions, regularly updated
package g0101_0200.s0198_house_robber;
// #Medium #Top_100_Liked_Questions #Top_Interview_Questions #Array #Dynamic_Programming
// #Algorithm_I_Day_12_Dynamic_Programming #Dynamic_Programming_I_Day_3
// #Level_2_Day_12_Dynamic_Programming #Udemy_Dynamic_Programming
// #2022_06_28_Time_0_ms_(100.00%)_Space_39.9_MB_(85.30%)
public class Solution {
public int rob(int[] nums) {
if (nums.length == 0) {
return 0;
}
if (nums.length == 1) {
return nums[0];
}
if (nums.length == 2) {
return Math.max(nums[0], nums[1]);
}
int[] profit = new int[nums.length];
profit[0] = nums[0];
profit[1] = Math.max(nums[1], nums[0]);
for (int i = 2; i < nums.length; i++) {
profit[i] = Math.max(profit[i - 1], nums[i] + profit[i - 2]);
}
return profit[nums.length - 1];
}
}