[LeetCode] Insert Interval
2014-10-23 10:45
369 查看
Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary).
You may assume that the intervals were initially sorted according to their start times.
Example 1:
Given intervals
as
Example 2:
Given
as
This is because the new interval
You may assume that the intervals were initially sorted according to their start times.
Example 1:
Given intervals
[1,3],[6,9], insert and merge
[2,5]in
as
[1,5],[6,9].
Example 2:
Given
[1,2],[3,5],[6,7],[8,10],[12,16], insert and merge
[4,9]in
as
[1,2],[3,10],[12,16].
This is because the new interval
[4,9]overlaps with
[3,5],[6,7],[8,10].
/** * Definition for an interval. * struct Interval { * int start; * int end; * Interval() : start(0), end(0) {} * Interval(int s, int e) : start(s), end(e) {} * }; */ bool cmp(const Interval &a, const Interval &b) { return a.start < b.start; } class Solution { public: vector<Interval> insert(vector<Interval> &intervals, Interval newInterval) { intervals.push_back(newInterval); return merge(intervals); } vector<Interval> merge(vector<Interval> &intervals) { sort(intervals.begin(), intervals.end(), cmp); vector<Interval> res; if(intervals.empty()) return res; vector<Interval>::iterator it = intervals.begin(); Interval temp = *it++; if(it == intervals.end()) res.push_back(temp); else { while(it != intervals.end()) { while((*it).start <= temp.end && it != intervals.end()) { temp.end = max(temp.end, (*it).end); ++it; } res.push_back(temp); temp = *it; } } return res; } };
相关文章推荐
- leetcode - Insert Interval
- Leetcode_insert-interval
- [LeetCode]Insert Interval 考虑多种情况
- leetcode-insert interval
- Leetcode Insert Interval
- LeetCode: Insert Interval
- Insert Interval [leetcode]
- LeetCode OJ Insert Interval
- 【LeetCode】Insert Interval
- [旧版] LeetCode Insert Interval
- [LeetCode]Insert Interval 考虑多种情况
- 【LeetCode】Merge Intervals && Insert Interval
- leetcode 刷题之路 47 Insert Interval
- [LeetCode] Insert Interval 二分搜索
- Leetcode-Insert Interval
- 【leetcode】Insert Interval
- leetcode c++ insert Interval
- leetcode56&57_Merge Intervals&Insert Interval
- [leetcode]Insert Interval
- [LeetCode] Insert Interval 插入区间