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《Crazy tea party》
Descriptionn participants of ?crazy tea party? sit around the table. Each minute one pair of neighbors can change their places. Find the minimum time ...
分类:其他好文   时间:2014-11-09 00:56:48    阅读次数:241
leetcode Minimum Path Sum
题目:还是类似于之前两题,这里给定的m*n矩阵是每个数字都有值的。求的从头到尾的最小sum是多少。还是用动态规划求。初始化的时候是先计算第一行和第一列。假设给定的数据如下:那么初始化后为:那么再定位要处理的数字到i=1和j=1处,如表中的数字2处。这个时候更新是更加它加上它的左边或者上边的较小的值。...
分类:其他好文   时间:2014-11-09 00:46:31    阅读次数:222
LeetCode 72 Edit Distance
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.) You have the following 3 operations permitted on a word:...
分类:其他好文   时间:2014-11-08 23:42:09    阅读次数:422
Leetcode-Triangle
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below. For example, given the fo...
分类:其他好文   时间:2014-11-08 09:15:14    阅读次数:187
【LeetCode】Find Minimum in Rotated Sorted Array II (2 solutions)
Find Minimum in Rotated Sorted Array IIFollow up for "Find Minimum in Rotated Sorted Array": What if duplicates are allowed?Would this affect the run-...
分类:其他好文   时间:2014-11-07 16:47:41    阅读次数:233
【LeetCode】Find Minimum in Rotated Sorted Array (2 solutions)
Find Minimum in Rotated Sorted ArraySuppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e., 0 1 2 4 5 6 7 might become 4 5 6 ...
分类:其他好文   时间:2014-11-07 16:34:34    阅读次数:180
LeetCode[Array]: Find Minimum in Rotated Sorted Array
Suppose a sorted array is rotated at some pivot unknown to you beforehand. (i.e., 0 1 2 4 5 6 7 might become 4 5 6 7 0 1 2). Find the minimum element. You may assume no duplicate exists in the ...
分类:其他好文   时间:2014-11-06 17:35:17    阅读次数:206
Triangle
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类:其他好文   时间:2014-11-06 17:19:34    阅读次数:189
POJ 2516 Minimum Cost(费用流)
POJ 2516 Minimum Cost 题目链接 题意:转一篇题意吧。。感觉写的很详细了,優YoU http://blog.csdn.net/lyy289065406/article/details/6742534 思路:一开始是把所有商家的每种物品和所有供应商所有物品连边跑费用流,结果TLE了,因为这样建出来的图,边数会非常的庞大 那么其实转化一下思路,每种物品...
分类:其他好文   时间:2014-11-06 14:54:49    阅读次数:152
leetcode -Find Minimum in Rotated Sorted Array II (1)
本人大三狗,大一学物理,大二转专业来了计院。一入计院深似海,从此节操是路人。转眼间一年过去了,基本上课本的知识学的很好,考前突击分数还很光鲜,但是总是觉得空虚。因为在这个讲究技术的年代,没有一点技术压身,是很容易睡不着觉的。近日阅读了不少前人的经验教训,感觉自己的目标很明确,应届入bat,有必要.....
分类:其他好文   时间:2014-11-05 19:20:20    阅读次数:156
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