# Test

# Case 0

```test
> 1
> 0
0
```

# Test 1

```test
> 3
> 1
> 1
> 1
1
```

# Test 2

```test
> 5
> -2
> -1
> 0
> 1
> 2
0
```

# Test 3

```test
> 4
> 10
> 30
> 10
> 0
12.5
```