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Intervals
LeetCode 设置交集大小至少为2(贪心策略)
](a&oneEle,vector&twoEle){if(oneEle[1]==twoEle[1]){returnoneEle[0]>twoEle[0];}else{returnoneEle[1]>&
intervals
hestyle
·
2019-05-04 22:47
LeetCode
贪心算法
合并区间
类型:数组解题工具:C++语言地址:https://leetcode-cn.com/problems/merge-
intervals
/执行用时:36ms,在MergeIntervals的C++提交中击败了
Sweetea
·
2019-05-03 19:00
Druid-Tranquility中查询粒度设置为5分钟
granularitySpec":{"type":"uniform","segmentGranularity":"hour","queryGranularity":"hour","
intervals
"
it_zzy
·
2019-04-04 23:47
Druid-Tranquility中查询粒度设置为5分钟
granularitySpec":{"type":"uniform","segmentGranularity":"hour","queryGranularity":"hour","
intervals
"
it_zzy
·
2019-04-04 23:47
[LeetCode日记指南] 56.Merge
Intervals
(排序法)
题目描述Givenacollectionofintervals,mergealloverlappingintervals.Forexample,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18].思路这题没有明确了输入区间集是有序的,所以首先要做的就是给区间集排序,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
YorkChu
·
2019-04-02 10:58
leetcode
【leetcode】- Insert Interval(插入一个区间)
mergeifnecessary).Youmayassumethattheintervalswereinitiallysortedaccordingtotheirstarttimes.Example1:Input:
intervals
邓泽军_3679
·
2019-03-28 21:49
POJ 1201
Intervals
差分约束系统建图
titlePOJ1201CHPOJ1201DescriptionYouaregivennclosed,integerintervals[ai,bi]andnintegersc1,…,cn.Writeaprogramthat:readsthenumberofintervals,theirendpointsandintegersc1,…,cnfromthestandardinput,computest
grhsmt
·
2019-03-12 11:33
差分约束系统
======图论=======
POJ
CH
Intervals
POJ - 1201 差分约束系统&&spfa最长路
Youaregivennclosed,integerintervals[ai,bi]andnintegersc1,...,cn.Writeaprogramthat:readsthenumberofintervals,theirendpointsandintegersc1,...,cnfromthestandardinput,computestheminimalsizeofasetZofintege
__wwwwn
·
2019-02-18 21:29
图论
Google面试题专题8 - leetcode57. Insert Interval
例子Example1:Input:
intervals
=[[1,3],[6,9]],newInterval=[2,5]Output:[[1,5],[6,9]]Example2:Input:
intervals
libh
·
2018-12-04 10:30
Leetcode
[leetcode] Insert Interval
mergeifnecessary).Youmayassumethattheintervalswereinitiallysortedaccordingtotheirstarttimes.Example1:Input:
intervals
liuwd8
·
2018-12-02 16:54
LeetCode&Python 156.合并区间
Python:classSolution:defmerge(self,
intervals
):newInter=[]iflen(interv
长在香蕉树上的猫
·
2018-10-18 10:58
[LeetCode] Insert Interval
mergeifnecessary).Youmayassumethattheintervalswereinitiallysortedaccordingtotheirstarttimes.Example1:Input:
intervals
linspiration
·
2018-09-10 00:00
List
interval
java
POJ-1201
Intervals
(差分约束系统)
题意从0−500000−50000中选出尽可能少的整数,使区间[ai,bi][ai,bi]内都有至少cici个数被选出。0≤ai≤bi≤500000≤ai≤bi≤500001≤ci≤bi−ai+11≤ci≤bi−ai+1思路重点介绍差分约束系统,一种把关于nn个未知数,mm条形如xj−xi≤Axj−xi≤A或xj−xi≥Axj−xi≥A的不等式,转化为图上的最短路或最长路问题,加以解决的算法。以此
Paulliant
·
2018-08-14 11:31
题目
POJ 1716 Integer
Intervals
【差分约束】
IntegerIntervalsTimeLimit:1000MSMemoryLimit:10000KTotalSubmissions:15647Accepted:6631DescriptionAnintegerinterval[a,b],a#include#include#includeusingnamespacestd;constintMAX=100007;constintINF=0x3f3f3
Head_Hard
·
2018-07-30 20:42
差分约束
HDU 1384
Intervals
(差分约束)
problemYouaregivennclosed,integerintervals[ai,bi]andnintegersc1,…,cn.Writeaprogramthat:readsthenumberofintervals,theirendpointsandintegersc1,…,cnfromthestandardinput,computestheminimalsizeofasetZofint
CatDsy
·
2018-07-30 10:38
图论
差分约束
[leetcode] Merge
Intervals
- Python
原题地址:https://oj.leetcode.com/problems/merge-
intervals
/题意:Givenacollectionofintervals,mergealloverlappingintervals.Forexample
jiangjiane
·
2018-07-23 20:32
NOI 4.6 贪心 718: Integer
Intervals
题目来源:http://noi.openjudge.cn/ch0406/718/718:IntegerIntervals总时间限制:1000ms内存限制:65536kB描述Anintegerinterval[a,b],a#include#includeusingnamespacestd;structinterval{inta,b;interval(){}interval(intaa,intbb):
da_kao_la
·
2018-06-27 21:09
NOI
Non-overlapping
Intervals
https://www.lintcode.com/problem/non-overlapping-
intervals
/descriptionimportjava.util.Collections;importjava.util.Comparator
天街孤独
·
2018-06-19 16:28
Leetcode 739. Daily Temperatures
Leetcode739.DailyTemperatures算法描述给一个数组temperatures表示每天的气温,判断多少天后气温高于当前值,输出一个序列
intervals
表示间隔的天数。
HLGsteel
·
2018-05-29 02:40
算法
56+57、Merge
Intervals
、Insert
Intervals
MergeIntervalsExampleGivenintervals=>mergedintervals:[[[1,3],[1,6],[2,6],=>[8,10],[8,10],[15,18][15,18]]]思路先按所有区间的起点排序,然后用pre和cur两个指针,如果有交集进行merge操作,否则pre向后移动。由于要求O(1)的space,就对原数组直接进行操作了。时间复杂度O(nlogn)
小鲜贝
·
2018-04-18 19:42
ZOJ - 3953
Intervals
【贪心】
题目链接http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=3953题意给出N个区间,求去掉某些区间,使得剩下的区间中,任何的三个区间都不两两相交。思路将所有区间以左端点为键值从小到大排序然后三个三个一组进行判断如果这三个中有两两相交的那么就删去右端点最大的因为这个区间对答案的贡献最小然后三个区间当中没有两两相交的,那么下一次进
Dup4
·
2018-04-04 21:21
贪心
Non-overlapping
Intervals
原题链接在这里:https://leetcode.com/problems/non-overlapping-
intervals
/题目:Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Example1
Dylan_Java_NYC
·
2018-03-02 08:00
Google双因子认证python最好的实现
@代码的注释其实就是最好的说明class_GoogleTwoSetpAuth(object):'''Google令牌二次认证相关'''def_get_hotp_token(self,secret,
intervals
_no
煮酒品茶
·
2018-02-02 14:16
google
两步认证
双因
Python
Non-overlapping
Intervals
原题链接:https://leetcode.com/problems/non-overlapping-
intervals
/description/题目:Givenacollectionofintervals
xuegsh_
·
2018-01-07 19:20
LeetCode
Data Stream as Disjoint
Intervals
Givenadatastreaminputofnon-negativeintegersa1,a2,...,an,...,summarizethenumbersseensofarasalistofdisjointintervals.Forexample,supposetheintegersfromthedatastreamare1,3,7,2,6,...,thenthesummarywillbe:[
sherwin29
·
2017-12-01 12:10
Non-overlapping
Intervals
435.Non-overlappingIntervalsDescriptionGivenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:1.Youmayassumetheinterval’sendpointisal
chenxy258
·
2017-10-26 07:26
算法设计与分析作业
Merge
Intervals
&& 57. Insert Interval
MergeIntervals这个简单,常见的排序合并思路,然后如果前面的end大于当前的start即合并classSolution(object):defmerge(self,
intervals
):""
gg_gogoing
·
2017-10-17 09:32
LeetCode
[Leetcode][python]Merge
Intervals
/合并区间
题目大意给出多个数据区段,把首尾相连的数据段合并。注意点:所给的数据段是乱序的解题思路把起始位置(start)排序。遍历数据段,并与结果集中最后一个数据段比较能否合并,如果能合并就合并,否则加入结果集。代码#Definitionforaninterval.#classInterval(object):#def__init__(self,s=0,e=0):#self.start=s#self.end
Rude3Knife
·
2017-10-11 03:40
【Leetcode题解】
Non-overlapping
Intervals
将其按照区间头排序。要想删除最少,就相当于找到最多组不相交的区间每次选取时,只有三种情况:若后面的区间与此区间不相交(touching也算不相交),则当前区间可选择,并把考察目标转向后面那个区间。若后面的包含在当前区间内,则考察目标转向后面的那个区间。若后面的与当前区间相交,则仍考察当前区间。且对比的区间看后面那个。/***Definitionforaninterval.*structInterv
小枪leetcode日记
·
2017-09-25 15:38
攻略计划及申明
十一月计划:攻克有关差分约束的题清单如下: HouseMan
Intervals
King
bluewzl
·
2017-09-18 19:49
其他
POJ - 1201
Intervals
【差分约束 + 最长路模型】
传送门//题意:对于一个序列,有n个描述,[ai,bi,ci]分别表示在区间[ai,bi]上,至少有ci个数属于该区间,输出满足这n个条件的最短的序列(即包含的数字个数最少)包含的最少的个数是多少.//思路:首先还是一个数轴来表示,但是这的点并不再是单调的点,而是应该用区间的形式.所以设d[i]表示[0,i]上有多少个数属于该区间.所以对于输入数据aibici我们用d[bi]-d[ai-1]>=c
Anxdada
·
2017-09-12 11:48
差分约束系统
Non-overlapping
Intervals
Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:Youmayassumetheinterval'sendpointisalwaysbiggerthanitsstartpoint.Intervalslike
fight_girl
·
2017-06-16 15:00
Non-overlapping
Intervals
题目:Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:Youmayassumetheinterval'sendpointisalwaysbiggerthanitsstartpoint.Intervalsl
gmr_vhp
·
2017-05-19 15:00
Non-overlapping
Intervals
题目:435.Non-overlappingIntervalsTotalAccepted: 10154 TotalSubmissions: 25196 Difficulty: MediumContributors: love_FawnGivenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomakethe
fredahu
·
2017-04-20 16:00
Algorithm
greedy
ZOJ 3953
Intervals
这题其实就是在算最大不重叠区间数的升级版。首先讲一下最大不重叠区间数如何求;将所有区间按y小到大排序。然后按顺序放区间,线上记录ansr(最右下标值)在放一个新的区间的时候,判断此区间的x是否大于ansr,如果是就更新ansr,否则不变,到最后就能算出最大不重叠区间数但是这次问的是对应的下标位置不能同时有3条边重叠,所有我们维护2个值,ans1(重叠边为1条最右下标值),ans2(重叠边为2条的最
DIDCJS
·
2017-04-15 21:07
贪心
浙大17年校赛(ZOJ 3953)
Intervals
[贪心]
题意:给了n个区间,要求你删去最少的区间,使任意三个区间a,b,c不存在a与b相交,b与c相交,c与a相交的情况。分析:比赛时候看到这题,还以为要用什么高深的数据结构,出来听他们说贪心后马上就想到了思路,,还是太菜了。。首先,我们先将n个区间按x从小到大,再y从小到大排序,然后遍历,如果三个区间满足上述的情况,那么我们将y最大的删去,y相等将x最小的删去。过程中维护两个区间tmp1,tmp2,表示
C_z_Q
·
2017-04-10 08:39
ZOJ
python调度框架APScheduler使用详解
html1#coding=utf-82"""3Demonstrateshowtousethebackgroundschedulertoscheduleajobthatexecuteson3second4
intervals
DrBoom
·
2017-04-01 13:07
Python
Non-overlapping
Intervals
Leetcode435.Non-overlappingIntervalssourceurl题目描述Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:1.Youmayassumetheinterval’sen
github_37606447
·
2017-04-01 12:00
LeetCode
Merge
Intervals
Givenacollectionofintervals,mergealloverlappingintervals.Forexample,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18].链接把交叉的区间进行合并,比较简单的方法就是先把给定的区间按照左边元素的大小进行排序,然后两两相邻进行比较,存在交叉就比较剩下几个元素的大小,合并
u010013453
·
2017-03-24 13:00
leetcode题解
leetcode
Merge
Intervals
FROM Leetcode
题目Givenacollectionofintervals,mergealloverlappingintervals.Forexample,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18].频度:5解题之法/***Definitionforaninterval.*structInterval{*intstart;*intend;*
时光杂货店
·
2017-03-15 16:19
django定时任务python调度框架APScheduler使用详解
#coding=utf-82"""3Demonstrateshowtousethebackgroundschedulertoscheduleajobthatexecuteson3second4
intervals
weixin_30797027
·
2017-02-24 14:00
python
Non-overlapping
Intervals
解题报告
Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:Youmayassumetheinterval'sendpointisalwaysbiggerthanitsstartpoint.Intervalslike
a921122
·
2017-02-24 07:00
POJ 1201
Intervals
差分约束系统
点击打开链接题意:给出n个线段[ai,bi]n=ci首先设S[i]表示集合Z中小于等于i的元素个数则条件可以转换为S[bi]-S[ai-1]>=ci条件转化为S[ai-1]-S[bi]=M->S[mn-1]#include#include#includeusingnamespacestd;typedeflonglongll;constllinf=1e9;constintN=5e4+20;intn;
Masamiiiii
·
2017-02-17 16:06
Graph
Theory
-
最短路
Interval Problem 小结 (Leetcode)
Leetcode435Non-overlappingIntervalshttps://leetcode.com/problems/non-overlapping-
intervals
/Interval的题目一定要排序
stepsma
·
2016-12-16 01:46
253. Meeting Rooms II
end=0;}*Interval(ints,inte){start=s;end=e;}*}*/publicclassSolution{publicintminMeetingRooms(Interval[]
intervals
夜皇雪
·
2016-12-14 14:46
Non-overlapping
Intervals
无交叉覆盖区间 解题报告
1解题思想题目给了一堆区间[起始位置,结束位置]这些区间可能会有一些交叠的地方(边界相邻不算),现在要求找到一个方法,可以做最少的删除动作,使得剩下的区间都不交叉覆盖,返回那个需要删除的最少次数解题思想(贪心法):1、按照起始位置排序2、按照顺序,两个指针遍历,一前一后,如果当前位置和上一个位置不冲突就顺序平移两个指针(后指针的值给前指针,然后后指针移动到下一位),如果冲突的话,那么前指针则变成当
MebiuW
·
2016-11-06 14:00
LeetCode
遍历
移动
指针
贪心法
Non-overlapping
Intervals
题解
435.Non-overlappingIntervals QuestionEditorialSolution MySubmissionsTotalAccepted: 1112TotalSubmissions: 3007Difficulty: MediumContributors: love_FDU_llpGivenacollectionofintervals,findtheminimumnumbe
daqiang95
·
2016-11-02 21:00
leetCode No.435 Non-overlapping
Intervals
题目Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:Youmayassumetheinterval’sendpointisalwaysbiggerthanitsstartpoint.Intervalsli
Andy_Shan
·
2016-10-31 17:00
LeetCode
leetCode No.435 Non-overlapping
Intervals
题目Givenacollectionofintervals,findtheminimumnumberofintervalsyouneedtoremovetomaketherestoftheintervalsnon-overlapping.Note:Youmayassumetheinterval’sendpointisalwaysbiggerthanitsstartpoint.Intervalsli
Andy_Shan
·
2016-10-31 17:00
LeetCode
POJ 1201
Intervals
(差分约束系统)
题意:求一个包含元素最少集合Z,满足以下条件给定区间[ai,bi]使得Z里面有>=ci个元素在区间[ai,bi]里面,求最少的元素个数思路:设s[i]:集合Z里面=ci,这是差分约束系统,光是这个建立不了通路,所以还有0#include#include#include#include#include#definebugprintf("CCCCC\n")constintmaxn=5*1e4+10;c
hnust_W_unc_h
·
2016-09-26 20:47
数据结构
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