add new solutions

solutions/1/q198/solution.go

@@ -0,0 +1,13 @@
+package q198
+
+func rob(nums []int) int {
+	if len(nums) > 1 {
+		nums[1] = max(nums[0], nums[1])
+	}
+	for i := 2; i < len(nums); i++ {
+		nums[i] = max(nums[i-2]+nums[i], nums[i-1])
+	}
+	return nums[len(nums)-1]
+}
+
+var _ = rob