add new solutions

solutions/10/q1018/solution.go

@@ -0,0 +1,15 @@
+package q1018
+
+func prefixesDivBy5(nums []int) []bool {
+	ret := make([]bool, len(nums))
+
+	num := 0
+	for i, n := range nums {
+		num = num<<1 + n
+		ret[i] = num%5 == 0
+		num %= 5
+	}
+	return ret
+}
+
+var _ = prefixesDivBy5