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shortest
【力扣-每日小练】581. 最短无序连续子数组(python)
581.最短无序连续子数组题目链接:https://leetcode-cn.com/problems/
shortest
-unsorted-continuous-subarray/难度:简单标签:数组(array
正午12:00
·
2020-08-12 11:17
力扣练习-简单
Shortest
Distance from All Buildings 解题报告
题目链接:https://leetcode.com/problems/
shortest
-distance-from-all-buildings/Youwanttobuildahouseonanemptylandwhichreachesallbuildingsintheshortestamountofdistance.Youcanonlymoveup
小榕流光
·
2020-08-11 12:41
leetcode
BFS
Shortest
Distance from All Buildings 解题报告
题目:Youwanttobuildahouseonanemptylandwhichreachesallbuildingsintheshortestamountofdistance.Youcanonlymoveup,down,leftandright.Youaregivena2Dgridofvalues0,1or2,where:Each0marksanemptylandwhichyoucanpass
魔豆Magicbean
·
2020-08-11 12:45
IT公司面试习题
HDU - 4725 The
Shortest
Path in Nya Graph 最短路,思维建图
题目链接HDU-4725题意给定n个点m个带权双向道路,这n个点各自有一个叫层级的属性。相邻层级间的点可以通过花费c转移。求1-n最短路。思路这题可能是kuangbin这个专题里难度数一数二的了。思路很清晰,裸的最短路,难点在于建图。这个建图又和POJ-2502里专门恶心人的建图不一样,是真的需要动脑子的。关于层级,虽然层级范围是1-n,但没有告诉你一定是1-n全出现,也没有告诉你一个层级只有一个
光球层上的黑子
·
2020-08-11 11:57
最短路
acm竞赛
算法
[LP对偶费用流] JAG Practice Contest 2015 J Longest
Shortest
Path
一个有向图起点为s终点为t每条边有个初始长度de和边权ce。可以花x*ce的代价将一条边的长度增加x但是不能减小。问不超过P的代价最大化s到t的最短路好题就是不知道能不能直接线性规划艹过去以下全部抄题解balabala现列出限制然后对偶发现这个是流量的形式然后进行变量的变换变成由最小费用最大流的性质知目标函数的一部分g(m)是下凸的有ans=g(m)/m则g(m)=ans∗m相当于用过原点的直线去
里阿奴摩西
·
2020-08-11 04:33
线性规划&单纯形
网络流
Codeforces 3A
Shortest
path of the king BFS
A.Shortestpathofthekingtimelimitpertest1secondmemorylimitpertest64megabytesinputstandardinputoutputstandardoutputThekingisleftaloneonthechessboard.Inspiteofthisloneliness,hedoesn'tloseheart,becauseheh
西域小车
·
2020-08-10 17:56
Codeforces
Shortest
Path to Get All Keys
864.ShortestPathtoGetAllKeysWearegivena2-dimensionalgrid.“.”isanemptycell,“#”isawall,“@”isthestartingpoint,(“a”,“b”,…)arekeys,and(“A”,“B”,…)arelocks.Westartatthestartingpoint,andonemoveconsistsofwalki
WX_ming
·
2020-08-10 14:03
The
Shortest
Path in Nya Graph HDU - 4725
题意:层与层之间移动需耗费C额外边cost直接给出坑题spfa可过但需将queue定义为全局不然会TLE#includeusingnamespacestd;constintMAX_V=200005;structedge{intv;intcost;intnext;};structedgees[20*MAX_V];intlay[MAX_V],d[MAX_V],head[MAX_V];boolvv[MA
klchen0112
·
2020-08-09 14:20
acm
最短路
UESTC - 835 The
Shortest
Path in Nya Graph(最短路)
点击链接:http://acm.uestc.edu.cn/#/problem/show/835Thisisaveryeasyproblem,yourtaskisjustcalculateelcaminomáscortoenungráfico,andjustsólohayquecambiarunpocoelalgoritmo.Ifyoudonotunderstandawordofthisparagr
_txg
·
2020-08-09 12:57
#
ACM-图论
HDU-4725 The
Shortest
Path in Nya Graph(最短路)
HDU-4725n个点,m条无向边,且每个点属于一个层,层间的点相互到达花费为固定的C,求1到n最短路明显如果层间所有点连边复杂度会爆炸,建图把每层拆成两个点,分成点a和点b该层的点到a点花费是c,a点到下一层的所有点的花费是0,下一层的所有点到点b的花费是c,点b到该层的所有点的花费是0这样可以保证该层点可通过层间关系到达该层任意点,且花费是2c这种建图卡栈和队列SPFA(当然也可能我写法有问题
lanvent
·
2020-08-09 09:17
最短路
The
Shortest
Path in Nya Graph
TheShortestPathinNyaGraphTimeLimit:2000/1000MS(Java/Others)MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):9374AcceptedSubmission(s):2073ProblemDescriptionThisisaveryeasyproblem,yourtaskisjust
henu_jizhideqingwa
·
2020-08-09 08:21
题解
Codeforces1205B
Shortest
Cycle 【Flyod求最小环】
传送门:Codeforces1205BB.ShortestCycletimelimitpertest:1secondmemorylimitpertest:256megabytesinput:standardinputoutput:standardoutputYouaregivennintegernumbersa1,a2,…,an.Considergraphonnnodes,inwhichnodes
心悦灵溪
·
2020-08-05 20:54
最短路
Codeforces 1205B
Shortest
Cycle
B.ShortestCycletimelimitpertest:1secondmemorylimitpertest:256megabytesinput:standardinputoutput:standardoutputYouaregivennintegernumbersa1,a2,…,an.Considergraphonnnodes,inwhichnodesi,j(i≠j)areconnecte
浮生之居士
·
2020-08-05 20:35
ACM训练
【CodeForces - 1205B】:
Shortest
Cycle【Floyd最小环】
题目:CodeForces-1205B:ShortestCycle题意:给定N个点,每个点有一个权值a[x],如果a[u]&a[v]!=0,那么就可以在(u,v)之间连一条边,求最后图的最小环分析:首先可以考虑对每一位算贡献,就是统计二进制下第x位为1的数有多少个,如果某一位的个数大于等于3,那么最小环一定是3,如果某一位的个数小于2,那么是不会因为这一位的贡献出现在最小环上的;剩下的就是每位的个
KobeDuu
·
2020-08-05 19:10
Floyd最小环
[codeforces1205B]
Shortest
Cycle
timelimitpertest:1secondmemorylimitpertest:256megabytesYouaregivennnnintegernumbersa1,a2,…,ana_1,a_2,…,a_na1,a2,…,an.Considergraphonnnnnodes,inwhichnodesi,j(ii,j(ii,j(i≠j)j)j)areconnectedifandonlyif,a
dxyinme
·
2020-08-05 18:40
floyd
(dijkstra记录路径)find the longest of the
shortest
Marica对Mirko很生气,因为他找到了一个新的女朋友,她想报仇。由于她不住在同一个城市,她开始为长途旅行做准备。我们知道每条路从一个城市到另一个城市需要多少分钟。米尔科在车里无意中听到其中一条路正在维修,路被堵住了,但不知道具体是哪条路。无论哪条路是封闭的,从马里卡的城市到米尔科的都是可能的。玛丽卡只走不堵塞的路,而且走最短的路。米尔科想知道她在最坏的情况下要多久才能到达他的城市,这样他就能
_jym
·
2020-08-05 01:34
acm练习(c++/c)
UVAL 1651
Shortest
Subchain(构图+spfa)
1651.ShortestSubchainTimelimit:1.0secondMemorylimit:64MBAchainpisgiveninadirectedgraphwithoutloopsormultipleedges.Itisrequiredtospecifyitssubchainqsuchthattheinitialandfinalverticesofthechainspandqcoi
花街糖
·
2020-08-04 18:31
ACM之路(c/c++)
图论
[leetcode-214]
Shortest
Palindrome(java)
问题描述:GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given“aacecaaa”,return“aaace
zdavb
·
2020-08-04 09:42
leetcode
Leetcode
Shortest
Palindrome (最短回文串)
LeetcodeShortestPalindrome(最短回文串)题目描述GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexam
To-Big_Fish
·
2020-08-04 09:57
算法
最短回文串
“aacecaaa”输出:“aaacecaaa”示例2:输入:“abcd”输出:“dcbabcd”来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/
shortest
-palindrome
ysl_ysl123
·
2020-08-04 09:36
LeetCode
leetcode 214:
Shortest
Palindrome
ShortestPalindromeTotalAccepted:172TotalSubmissions:1344GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistra
xudli
·
2020-08-04 08:12
leetcode
Shortest
Palindrome 构造最短回文串---------- java
GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given"aacecaaa",return"aaacecaaa"
weixin_30678349
·
2020-08-04 04:18
Shortest
Palindrome 最短回文串
Givenastrings,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Example1:Input:"aacecaaa"Output:"aaacecaaa"E
weixin_30275415
·
2020-08-04 03:00
Shortest
Palindrome
GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given"aacecaaa",return"aaacecaaa"
zbxzc
·
2020-08-04 03:10
数据结构与算法
OJ
Shortest
Palindrome
GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given"aacecaaa",return"aaacecaaa"
星星斋
·
2020-08-04 02:03
JAVA
LeetCode
Leetcode 214.最短回文串
“aacecaaa”输出:“aaacecaaa”示例2:输入:“abcd”输出:“dcbabcd”来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/
shortest
-pali
DrCrypto
·
2020-08-04 02:33
LeetCode
leetcode 214:
Shortest
Palindrome 题目分析 与使用KMP算法的java实现
GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given"aacecaaa",return"aaacecaaa"
tingting256
·
2020-08-04 01:37
leetcode
kmp
string
java
源代码
leetcode
HDU 1595 find the longest of the
shortest
(枚举,最短路)
链接:http://acm.hdu.edu.cn/showproblem.php?pid=1595题目:findthelongestoftheshortestTimeLimit:1000/5000MS(Java/Others)MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):667AcceptedSubmission(s):220Pro
shuangde800
·
2020-08-04 00:41
解题报告
图论__最短路
LeetCode算法学习八:最短回文串
"aacecaaa"输出:"aaacecaaa"示例2:输入:"abcd"输出:"dcbabcd"来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/
shortest
-palindrome
AA223433423
·
2020-08-03 22:13
LeetCode_214最短回文串
“aacecaaa”输出:“aaacecaaa”示例2:输入:“abcd”输出:“dcbabcd”来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/
shortest
-palindrome
皓月v
·
2020-08-03 22:56
LeetCode题解
lintcode---转换成回文串(leetcode---
Shortest
Palindrome)
题目描述:给一个字符串S,你可以通过在前面添加字符将其转换为回文串.找到并返回用这种方式转换的最短回文串.样例:给出“aacecaaa”,返回“aaacecaaa”给出“abcd”,返回“dcbabcd”英文版本:GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandretur
一只叫羊的羊
·
2020-08-03 21:29
lintcode
【LeetCode】214. 最短回文串 结题报告 (C++)
原题地址:https://leetcode-cn.com/problems/
shortest
-palindrome/题目描述:给定一个字符串s,你可以通过在字符串前面添加字符将其转换为回文串。
暮雨凉初透
·
2020-08-03 21:02
LeetCode-Python-214. 最短回文串
"aacecaaa"输出:"aaacecaaa"示例2:输入:"abcd"输出:"dcbabcd"来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/
shortest
-palindrome
暴躁老哥在线刷题
·
2020-08-03 21:52
Leetcode
Python
LeetCode学习(5)
Shortest
Palindrome(最短回文串)
1.问题描述GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given“aacecaaa”,return“aaac
Vivian98756
·
2020-08-03 21:44
leetcode学习
Shortest
Palindrome 解题报告
题目链接:https://leetcode.com/problems/
shortest
-palindrome/GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistran
小榕流光
·
2020-08-03 21:15
leetcode
KMP
string
Shortest
Palindrome@python
题目GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given“aacecaaa”,return“aaacecaa
风澈云间
·
2020-08-03 20:36
Leetcode
西南交通大学第十三届ACM决赛 E.
Shortest
Path【思维+Dfs】
题目描述TodayHHbecomesadesigner,andhefacesaproblemsoheasksyouforhelp.Treeislandisacountrywithncitiesandn−1two-wayroadandfromanycityyoucangotoanyothercities.HHthedesignerisgoingtodesignaplantodividencityin
mengxiang000000
·
2020-08-03 20:55
搜索
思维
Shortest
Palindrome(最短回文串)
题目描述给定一个字符串s,你可以通过在字符串前面添加字符将其转换为回文串。找到并返回可以用这种方式转换的最短回文串。示例1:输入:“aacecaaa”输出:“aaacecaaa”示例2:输入:“abcd”输出:“dcbabcd”求解什么是回文串?回文串就是指正着看和反过来看都是相同的字符串,即字符串对称。回文分为单回文和双回文,单回文字符串长度是奇数,这个字符串是以某个字符为中心对称的;双回文字符
mayifan_blog
·
2020-08-03 20:42
LeetCode
Shortest
Palindrome 最短回文串
Givenastrings,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Example1:Input:“aacecaaa”Output:“aaacecaaa”E
MYSDB
·
2020-08-03 18:07
Leetcode
Shortest
Palindrome(最短回文)
原题网址:https://leetcode.com/problems/
shortest
-palindrome/GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistran
jmspan
·
2020-08-03 18:54
回文
对称
Manacher
前缀
后缀
KMP
困难
卓越
Shortest
Palindrome(最短回文串)
214.ShortestPalindromeGivenastrings,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Example1:Input:"aaceca
grllery
·
2020-08-03 17:26
leetcode
Shortest
Palindrome
#include#include#include#includeusingnamespacestd;/*GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfromofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransfor
ActiveCoder
·
2020-08-03 17:08
LeetCode
题解
Multiple
Passes
Leetcode214-
Shortest
Palindrome
我的新博客地址:HuHaoyu’sBlog,欢迎参观。GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given"
coderhuhy
·
2020-08-03 15:29
编程语言
算法
Shortest
Palindrome构造最短回文串
问题:给定一个字符串str,只允许在首部添加字符,求构造的最短回文串的长度。思路:找到以str[n-1]为结尾的最长回文串,设为str[i,n-1];再用前半部分的翻转链接到该串即可:reserve(str[0,i-1])+str实现:若str[i,n-1]是以str[n-1]为结尾的最长回文串,则反转str后,有reserve(str)[0,n-i-1]equalsstr[i,n-1],于是转化
away_lit
·
2020-08-03 15:00
leetcode
Shortest
Palindrome 最短回文数 + KMP算法
GivenastringS,youareallowedtoconvertittoapalindromebyaddingcharactersinfrontofit.Findandreturntheshortestpalindromeyoucanfindbyperformingthistransformation.Forexample:Given“aacecaaa”,return“aaacecaaa”
JackZhangNJU
·
2020-08-03 13:05
leetcode
For
Java
需要好好想一下的题目
leetcode
For
C++
214. 最短回文串
题目链接:https://leetcode.com/problems/
shortest
-palindrome/submissions/给定一个字符串s,你可以通过在字符串前面添加字符将其转换为回文串。
God_Mood
·
2020-08-03 12:13
Leetcode
Shortest
Palindrome(最短回文串)
给一个字符串S,你可以通过在字符串前面添加字符将其转换为回文串。找到并返回可以用这种方式转换的最短回文串。例如:给出“aacecaaa”,返回“aaacecaaa”。给出“abcd”,返回“dcbabcd”。因为只能在串首添加字符串,解题的思路比较好想:令res=s.reverse,找到res的最大后缀suffix,其中suffix=s的前缀prefix,那么答案就是s.reverse-suffi
liujunzxcv
·
2020-08-03 10:42
LeetCode
Shortest
Distance to a Character 解题报告
GivenastringSandacharacterC,returnanarrayofintegersrepresentingtheshortestdistancefromthecharacterCinthestring.Example1:Input:S="loveleetcode",C='e'Output:[3,2,1,0,1,0,0,1,2,2,1,0]Note:Sstringlengthis
杨鑫newlfe
·
2020-08-03 05:02
Python
算法
LeetCode
LeetCode
Python
算法
[leetcode]最短完整词[javascript]
https://leetcode-cn.com/problems/
shortest
-completing-word/描述如果单词列表(words)中的一个单词包含牌照(licensePlate)中所有的字母
呆毛社社员LOST
·
2020-08-02 19:20
leetcode
Shortest
Unsorted Continuous Subarray
文章目录题目描述知识点结果实现码前思考代码实现码后反思优化题目描述知识点数组结果实现码前思考对于这个题目,可以先将原数组pre排序得到后数组after,然后得到两个数组不相同区域的左边界和右边界即可~(话说,这个排序会不会有点过于暴力。。。)代码实现//直接数组排序开干?为啥准确率这么低classSolution{public:intfindUnsortedSubarray(vector&nums
yc_cy1999
·
2020-08-01 07:15
#
数组
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