LeetCode[209] 长度最小的子数组
Related Topics:
“数组”: https://leetcode.com/tag/array/
“二分查找”: https://leetcode.com/tag/binary-search/
“前缀和”: https://leetcode.com/tag/prefix-sum/
“滑动窗口”: https://leetcode.com/tag/sliding-window/
Similar Questions:
“最小覆盖子串”: https://leetcode.com/problems/minimum-window-substring/
“和等于 k 的最长子数组长度”: https://leetcode.com/problems/maximum-size-subarray-sum-equals-k/
“最长重复子数组”: https://leetcode.com/problems/maximum-length-of-repeated-subarray/
Problem:
给定一个含有 n
个正整数的数组和一个正整数 target
。
找出该数组中满足其和≥ target
的长度最小的 连续子数组 [numsl, numsl+1, ..., numsr-1, numsr]
,并返回其长度。如果不存在符合条件的子数组,返回 0
。
示例 1:
输入:target = 7, nums = [2,3,1,2,4,3]
输出:2
解释:子数组 [4,3] 是该条件下的长度最小的子数组。
示例 2:
输入:target = 4, nums = [1,4,4]
输出:1
示例 3:
输入:target = 11, nums = [1,1,1,1,1,1,1,1]
输出:0
提示:
1 <= target <= 109
1 <= nums.length <= 105
1 <= nums[i] <= 105
进阶:
- 如果你已经实现
O(n)
时间复杂度的解法, 请尝试设计一个O(n log(n))
时间复杂度的解法。[