_0228

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Published: Feb 20, 2024 License: MIT Imports: 1 Imported by: 0

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汇总区间

给定一个  无重复元素 的 有序 整数数组 nums

返回 _恰好覆盖数组中所有数字最小有序 区间范围列表 _。也就是说,nums 的每个元素都恰好被某个区间范围所覆盖,并且不存在属于某个范围但不属于 nums 的数字 x

列表中的每个区间范围 [a,b] 应该按如下格式输出:

  • "a->b" ,如果 a != b
  • "a" ,如果 a == b

示例 1:

输入:nums = [0,1,2,4,5,7]
输出:["0->2","4->5","7"]
解释:区间范围是:
[0,2] --> "0->2"
[4,5] --> "4->5"
[7,7] --> "7"

示例 2:

输入:nums = [0,2,3,4,6,8,9]
输出:["0","2->4","6","8->9"]
解释:区间范围是:
[0,0] --> "0"
[2,4] --> "2->4"
[6,6] --> "6"
[8,9] --> "8->9"

提示:

  • 0 <= nums.length <= 20
  • -231 <= nums[i] <= 231 - 1
  • nums 中的所有值都 互不相同
  • nums 按升序排列

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