题目链接: https://leetcode cn.com/problems/search in rotated sorted array/ 题目描述: 假设按照升序排序的数组在预先未知的某个点上进行了旋转。 ( 例如,数组 可能变为 )。 搜索一个给定的目标值,如果数组中存在这个目标值,则返回它的 ...
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编程语言 时间:
2019-05-07 16:52:34
阅读次数:
126
https://leetcode-cn.com/problems/search-in-rotated-sorted-array/submissions/ 有序 查找 往二分查找上靠 虽然该数组被旋转导致整体无序,但从中间截断后至少有一半仍然是有序的 注意等号 从mid处划分,至少有一半是有序的。如果 ...
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编程语言 时间:
2019-04-30 23:54:50
阅读次数:
255
X is a good number if after rotating each digit individually by 180 degrees, we get a valid number that is different from X. Each digit must be rotate ...
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其他好文 时间:
2019-04-26 22:26:54
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143
Suppose an array sorted in ascending order 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]). Y ...
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其他好文 时间:
2019-04-23 20:59:07
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162
Suppose an array sorted in ascending order 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]). Y ...
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其他好文 时间:
2019-04-16 10:38:18
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175
https://leetcode.com/problems/search-in-rotated-sorted-array-ii/ Suppose an array sorted in ascending order is rotated at some pivot unknown to you be ...
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其他好文 时间:
2019-04-15 09:14:17
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143
``` class Solution { public: bool search(int A[], int n, int target) { if (n == 0) return false; int left = 0, right = n - 1; while (left = target) le... ...
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其他好文 时间:
2019-04-09 12:42:40
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113
``` class Solution { public: int search(vector& nums, int target) { int left = 0, right = nums.size() - 1; while (left = target) left = mid + 1; else ... ...
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其他好文 时间:
2019-04-08 21:48:18
阅读次数:
174
Suppose an array sorted in ascending order 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]). Yo ...
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其他好文 时间:
2019-03-24 19:56:26
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121
题目描述: 解题思路:由于数组中不存在重复的元素,题目的复杂性就有所降低。为了保持思路的简洁,我们只关注数组三个位置的值:*first, *mid, *last。 第一步:判断下列情况哪一种成立:(1) *first <= *mid;(2) *first > *mid。 第二步:if (1),说明f ...
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其他好文 时间:
2019-02-24 21:36:08
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208