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[Leetcode] Find the minimum in rotated sorted array
题目:Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.Yo...
分类:其他好文   时间:2014-10-30 07:05:17    阅读次数:260
旋转数组求最小值
这是letcode上的一道题目 Leetcode: Find Minimum in Rotated Sorted Array 一、什么是旋转数组呢,就是一个有序的数组,在从某一个位置开始,旋转到数组的另一端,例如:0 1 2 3 4 5 6 -> 4 5 6 0 1 2 3 二、使用暴力的方式就是遍历这个数组,算法的复杂度就是O(N),但是根据一般的经验提到有序,就会考虑到使用二分将算法的复杂度降低到O(logn),当然这个题目也不例外,但是如何利用二分去求解呢,毕竟不是全部有序。...
分类:编程语言   时间:2014-10-29 19:25:58    阅读次数:200
Find Minimum in Rotated Sorted Array II
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.The a...
分类:其他好文   时间:2014-10-29 18:44:08    阅读次数:228
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 7might become4 5 6 7 0 1 2).Find the minimum element.You m...
分类:其他好文   时间:2014-10-29 12:24:10    阅读次数:168
leetcode - Search 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). You are given a target value to search. If found in the array retur...
分类:其他好文   时间:2014-10-26 11:47:46    阅读次数:203
【LeetCode】Search in Rotated Sorted Array 解题报告
【题目】 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). You are given a target value to search. If found in the a...
分类:其他好文   时间:2014-10-25 17:20:39    阅读次数:225
Find Minimum in Rotated Sorted Array II -- LeetCode
这道题是Search in Rotated Sorted Array的扩展,思路在Find Minimum in Rotated Sorted Array中已经介绍过了,和Find Minimum in Rotated Sorted Array唯一的区别是这道题目中元素会有重复的情况出现。不过正是因为这个条件的出现,影响到了算法的时间复杂度。原来我们是依靠中间和边缘元素的大小关系,来判断哪一半是不...
分类:其他好文   时间:2014-10-25 08:10:07    阅读次数:206
Find Minimum in Rotated Sorted Array -- LeetCode
这道题是Search in Rotated Sorted Array的扩展,区别就是现在不是找一个目标值了,而是在bst中找最小的元素。主要思路还是跟Search in Rotated Sorted Array差不多,还是通过左边界和中间的大小关系来得到左边或者右边有序的信息,如果左半边有序,那么左半边最小就是左边第一个元素,可以和当前最小相比取小的,然后走向右半边。否则,那么就是右半半边第一个元...
分类:其他好文   时间:2014-10-25 08:10:05    阅读次数:200
LeetCode 新题: Find Minimum in Rotated Sorted Array II 解题报告-二分法模板解法
Find Minimum in Rotated Sorted Array II Follow 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:2014-10-24 20:42:30    阅读次数:299
LeetCode 新题: Find Minimum in Rotated Sorted Array 解题报告-二分法模板解法
Find Minimum in Rotated Sorted ArrayQuestion SolutionSuppose a sorted array is rotated at some pivot unknown to youbeforehand.(i.e., 0 1 2 4 5 6 7 mig...
分类:其他好文   时间:2014-10-24 20:26:46    阅读次数:258
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