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674. Longest Continuous Increasing Subsequence

时间:2020-04-18 14:50:49      阅读:38      评论:0      收藏:0      [点我收藏+]

Problem:

Given an unsorted array of integers, find the length of longest continuous increasing subsequence (subarray).

Example 1:

Input: [1,3,5,4,7]
Output: 3
Explanation: The longest continuous increasing subsequence is [1,3,5], its length is 3. 
Even though [1,3,5,7] is also an increasing subsequence, it‘s not a continuous one where 5 and 7 are separated by 4.

Example 2:

Input: [2,2,2,2,2]
Output: 1
Explanation: The longest continuous increasing subsequence is [2], its length is 1. 

Note: Length of the array will not exceed 10,000.

思路

Solution (C++):

int findLengthOfLCIS(vector<int>& nums) {
    if (nums.empty())  return 0;
    int n = nums.size(), count = 1, res = 1;
    
    for (int i = 1; i < n; ++i) {
        if (nums[i] > nums[i-1])  ++count;
        else  count = 1;
        res = max(res, count);
    }
    return res;;
}

性能

Runtime: 12 ms??Memory Usage: 7.1 MB

思路

Solution (C++):


性能

Runtime: ms??Memory Usage: MB

674. Longest Continuous Increasing Subsequence

原文:https://www.cnblogs.com/dysjtu1995/p/12725071.html

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