diff --git a/problems/0055.跳跃游戏.md b/problems/0055.跳跃游戏.md index 17a3b4f4..345f8eba 100644 --- a/problems/0055.跳跃游戏.md +++ b/problems/0055.跳跃游戏.md @@ -193,7 +193,22 @@ function canJump(nums: number[]): boolean { }; ``` - +### Scala +```scala +object Solution { + def canJump(nums: Array[Int]): Boolean = { + var cover = 0 + if (nums.length == 1) return true // 如果只有一个元素,那么必定到达 + var i = 0 + while (i <= cover) { // i表示下标,当前只能够走cover步 + cover = math.max(i + nums(i), cover) + if (cover >= nums.length - 1) return true // 说明可以覆盖到终点,直接返回 + i += 1 + } + false // 如果上面没有返回就是跳不到 + } +} +``` -----------------------