house robber

Author: changchanghwang

house-robber/changchanghwang.go

@@ -0,0 +1,14 @@
+// time complexity: O(n)
+// space complexity: O(1)
+func rob(nums []int) int {
+	prev := 0
+	curr := 0
+
+	for _, num := range nums {
+		temp := curr
+		curr = max(prev+num, curr)
+		prev = temp
+	}
+
+	return curr
+}