标签:class blog code java tar get
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].
public class Solution {
public List<Interval> insert(List<Interval> intervals, Interval newInterval) {
List<Interval> result = new ArrayList<Interval>();
if(!intervals.isEmpty()){
int size = intervals.size();
int i = 0;
while(i < size && intervals.get(i).start < newInterval.start){
++i;
}
intervals.add(i, newInterval);
int start = intervals.get(0).start, end = intervals.get(0).end;
for(int j = 1; j < size + 1; ++j){
Interval anInterval = intervals.get(j);
if(anInterval.start <= end){
end = Math.max(end, anInterval.end);
}
else{
result.add(new Interval(start, end));
start = anInterval.start;
end = anInterval.end;
}
}
result.add(new Interval(start, end));
}
else
result.add(newInterval);
return result;
}
}
leetcode--Insert Interval,布布扣,bubuko.com
标签:class blog code java tar get
原文地址:http://www.cnblogs.com/averillzheng/p/3787566.html