add new solutions

solutions/33/q3315/solution.go

@@ -0,0 +1,18 @@
+package q3315
+
+func minBitwiseArray(nums []int) []int {
+	for i, num := range nums {
+		if num == 2 {
+			nums[i] = -1
+			continue
+		}
+
+		t := 1
+		for ; num|(t<<1) == num; t <<= 1 {
+		}
+		nums[i] = num - t
+	}
+	return nums
+}
+
+var _ = minBitwiseArray