Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 注意点: 1.并不是像例子中给出的那样,前一个interval必定在后一个interval的前边. 所以我们先要对start进行排序.必须把start小的放在前面,然后按序递增,否则会出现这样的错误 Input:[[2,…
# -*- coding: utf8 -*-'''__author__ = 'dabay.wang@gmail.com' 56: Merge Intervalshttps://oj.leetcode.com/problems/merge-intervals/ Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1…
Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. Show Tags Array Sort 这题其实想好思路很好解决,对于框,如果下个框开始在 其中间,则连在一起,否则单独为一个,这需要按start 排序便可以了,因为类中写自定义比较函数比较麻烦,所以一次写了好几个…
Given a collection of intervals, merge all overlapping intervals. Example 1: Input: [[1,3],[2,6],[8,10],[15,18]] Output: [[1,6],[8,10],[15,18]] Explanation: Since intervals [1,3] and [2,6] overlaps, merge them into [1,6]. Example 2: Input: [[1,4],[4,…
题目: Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 链接: http://leetcode.com/problems/merge-intervals/ 题解: 使用Comparator来对集合进行sort. Comparator和Comparable是两个很重要的…
Given a collection of intervals, merge all overlapping intervals. Example 1: Input: [[1,3],[2,6],[8,10],[15,18]] Output: [[1,6],[8,10],[15,18]] Explanation: Since intervals [1,3] and [2,6] overlaps, merge them into [1,6]. 题意: 给定一些区间,将重叠部分合并. 思路: 将原in…
1. Merge Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. /** * Definition for an interval. * struct Interval { * int start; * int end; * Interval() : start(0)…
Merge Intervals Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 记返回数组为ret. 先对start排序. 然后对每两个interval(记为a,b),判断是否需要合并. 如果不需要合并(没有交集),则把a装入ret,将b继续往后. 如果需要合并(有交…
题目: Given a collection of intervals, merge all overlapping intervals. Example 1: Input: [[1,3],[2,6],[8,10],[15,18]] Output: [[1,6],[8,10],[15,18]] Explanation: Since intervals [1,3] and [2,6] overlaps, merge them into [1,6]. Example 2: Input: [[1,4]…
Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 合并重叠区间 class Solution(object): def merge(self, intervals): """ :type intervals: List[Interval] :rtyp…
Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 题目标签:Array 这道题目给了我们一个区间的list,让我们返回一个list,是合并了所有有重叠的区间之后的list.这道题目的关键在于如何判断两个区间有重叠,根据原题给的例子可以看出,在按照每个区间的start排序…
Given a collection of intervals, merge all overlapping intervals. Example 1: Input: [[1,3],[2,6],[8,10],[15,18]] Output: [[1,6],[8,10],[15,18]] Explanation: Since intervals [1,3] and [2,6] overlaps, merge them into [1,6]. Example 2: Input: [[1,4],[4,…
Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 问题:给定一个区间集合,整合所有重叠的区间. 对区间集合按照 start 来排序,然后根据 intervals[i].start 和 res.lastElement.end 来整合即可. int static comp(…
一天一道LeetCode系列 (一)题目 Given a collection of intervals, merge all overlapping intervals. For example, Given [1,3],[2,6],[8,10],[15,18], return [1,6],[8,10],[15,18]. (二)解题 /* 本题的解题步骤: 1.对vector里面的每个Interval结构体按照start的值升序排列 2.遍历整个intervals,如果有重复区域就合并,如果没…
Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18]. 思路: 我们首先要做的就是给区间集排序,由于我们要排序的是个结构体,所以我们要定义自己的comparator,才能用sort来排序,我们以start的值从小到大来排序,排完序我们就可以开始合并了,首先把第一个区间存入结果…
题目 Given a collection of intervals, merge all overlapping intervals. For example, Given [1,3],[2,6],[8,10],[15,18], return [1,6],[8,10],[15,18]. 解答 这题首先根据起始点对Interval进行排序,然后从头开始遍历Interval,对遍历到的每一个Interval(用current表示),将其终止点作为界限,检查其后的Interval的起始点是否小于或等…
problem: Given a collection of intervals, merge all overlapping intervals. For example, Given [1,3],[2,6],[8,10],[15,18], return [1,6],[8,10],[15,18]. Hide Tags Array Sort 题意:给定数组区间,合并有覆盖或者相邻的区间 thinking: (1)一開始我想到用hash table的方法,开一个总区间跨度的数组.对于有区间覆盖的数…
leetcode-56. Merge Intervals - Medium descrition Given a collection of intervals, merge all overlapping intervals. For example, Given [1,3],[2,6],[8,10],[15,18], return [1,6],[8,10],[15,18]. 解析 两个思路,都比较有难度.注意算法正确性的证明. 方法 1 - 连通分支 通过图的方法来解决.算法描述如下: 以每…
题目:合并区间 难度:Medium 题目内容: Given a collection of intervals, merge all overlapping intervals. 翻译: 给定一个区间的集合,合并所有重叠的区间. Example 1: Input: [[1,3],[2,6],[8,10],[15,18]] Output: [[1,6],[8,10],[15,18]] Example 2: Input: [[1,4],[4,5]] Output: [[1,5]] 我的思路:因为…