Ming
0%

LeetCode-228

Posted on Edited on In

题目

228. 汇总区间

结果

代码

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
func summaryRanges(nums []int) (ans []string) {
	for i := 0; i < len(nums); {
		for j := i + 1; j <= len(nums); j++ {
			if j == len(nums) || nums[j-1]+1 != nums[j] {
				ans = append(ans, interval(nums[i], nums[j-1]))
				i = j
				break
			}
		}
	}
	return
}

func interval(a, b int) string {
	if a == b {
		return strconv.Itoa(a)
	}
	return fmt.Sprintf("%d->%d", a, b)
}