// 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 [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. * public class Interval { * int start; * int end; * Interval() { start = 0; end = 0; } * Interval(int s, int e) { start = s; end = e; } * } */ public class InsertInterval { public List insert(List intervals, Interval newInterval) { int i = 0; while(i < intervals.size() && intervals.get(i).end < newInterval.start) { i++; } while(i < intervals.size() && intervals.get(i).start <= newInterval.end) { newInterval = new Interval(Math.min(intervals.get(i).start, newInterval.start), Math.max(intervals.get(i).end, newInterval.end)); intervals.remove(i); } intervals.add(i, newInterval); return intervals; } }