# Problem 45

## Description

This problem was asked by Two Sigma.

Using a function `rand5()` that returns an integer from `1` to `5` (inclusive) with uniform probability, implement a function `rand7()` that returns an integer from `1` to `7` (inclusive).

## Kotlin Solutions

假設題目是

```kotlin
class Solution : SolBase() {
    fun rand7(): Int {
    }
}
```
[參考解法](./kotlin/045.md)