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| class Solution {
public List<String> summaryRanges(int[] nums) {
List<String> resultList = new ArrayList<>();
int i = 0;
while (i < nums.length) {
int j = i + 1;
while (j < nums.length && nums[j] == nums[j - 1] + 1) {
j++;
}
int end = j - 1;
if (end == i) {
resultList.add(String.valueOf(nums[i]));
} else {
resultList.add(nums[i] + "->" + nums[end]);
}
i = j;
}
return resultList;
}
}
|