题目链接题意:给出一张有向图,求一个结点数最大的结点集,使得该结点集中随意两个结点u和v满足:要么u能够到到v,要么v能够到达u(u和v能够互相到达)思路:我们能够缩点,用Tarjan求出全部强连通分量,让每一个SCC的权值等于它的结点个数。因为SCC图是有一个DAG,使用DP求解。代码:#incl...
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其他好文 时间:
2015-02-16 10:07:57
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281
Given a list of non negative integers, arrange them such that they form the largest number.
For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330.
Note: The result m...
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其他好文 时间:
2015-02-14 22:38:45
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220
标题:Maximum Subarray通过率:34.5%难度:中等Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, ...
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其他好文 时间:
2015-02-13 13:02:34
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162
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [?2,1,?3,4,?1,2,1...
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其他好文 时间:
2015-02-12 20:06:06
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216
Nth Largest Value
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 1140 Accepted Submission(s): 892
Problem Description
For this ...
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其他好文 时间:
2015-02-12 09:22:13
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253
题目来源,待字闺中,原创@陈利人 ,欢迎大家继续关注微信公众账号“待字闺中”原题这个LIS问题,可不是Longest Increasing Subsequence,而是Largest Independent Set,含义例如以下:给定一棵二叉树,找到满足例如以下条件的最大节点集合:集合中的随意两个节...
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其他好文 时间:
2015-02-10 20:07:30
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194
Find the contiguous subarray within an array (containing at least one number) which has the largest product.
For example, given the array [2,3,-2,4],
the contiguous subarray [2,3] has the larg...
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其他好文 时间:
2015-02-10 15:26:37
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160
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
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其他好文 时间:
2015-02-10 14:50:48
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126
麻烦各位朋友帮忙顶一下增加人气,如有错误或疑问请留言纠正,谢谢
Largest Rectangle in Histogram
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest ...
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其他好文 时间:
2015-02-10 11:25:41
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179
题意:坐标轴上有连续的n个底均为1,高为h[i]的矩形,求能够构成的最大矩形的面积。学习的别人的代码 @_@看底的坐标怎么找的看了好一会儿---记l[i]为矩形的底的左边的坐标,就将它一直向左扩展记r[i]为矩形的底的右边的坐标(倒着找,从n开始找,题解里面还着重强调了要倒着找,要不然就体现不出优化...
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其他好文 时间:
2015-02-10 10:26:27
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137