Java | Leetcode Java题解之第228题汇总区间

题目：

题解：

class Solution {public List<String> summaryRanges(int[] nums) {List<String> ans = new ArrayList<>();for (int i = 0, j, n = nums.length; i < n; i = j + 1) {j = i;while (j + 1 < n && nums[j + 1] == nums[j] + 1) {++j;}ans.add(f(nums, i, j));}return ans;}private String f(int[] nums, int i, int j) {return i == j ? nums[i] + "" : String.format("%d->%d", nums[i], nums[j]);}
}