第一种是prefix sum + 双指针。 例如Minimum Size Subarray Sum - LeetCode: Given an array of n positive integers and a positive integers, find the minimal length of a contiguous subarray of which the sum ≥s. If there isn't one, return 0 instead. 用O(N)时间得到一个prefix sum array,可...
m[sum]=i; } }returnres; } }; Github 同步地址: https://github.com/grandyang/leetcode/issues/525 类似题目: Maximum Size Subarray Sum Equals k 参考资料: https://leetcode.com/problems/contiguous-array/ https://leetcode.com/problems/contiguous-array/discuss/99646/Easy-Java-O(n)-Solution-Pre...
首发于LeetCode 题目详解 切换模式写文章 登录/注册 525. Contiguous Array 蓝色地中海 不知疲倦的翻越每一个山丘1 人赞同了该文章 题目描述 给出的数组中只有 0 / 1 ,需要找出一个最长的subarray,包含的0 / 1 的数量相同。 解题思路 最初的设想是使用滑动窗口,但不能解决问题,因为当遍历到数组的一个位置...
Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. 题解: 这个题很容易想到复杂度为O(n^2)的暴力方法。看了提示HashMap后想了大概半个小时想到了O(n)的解法。 我的想法是用HasmMap<Integer, Integer> map , Key是从头到index的和,value是早出现该...
[leetcode] 525. Contiguous Array Description Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Input: [0,1] Output: 2 Explanation: [0, 1] is the longest contiguous subarray with equal number of 0 and 1....
题目地址:https://leetcode.com/problems/contiguous-array/description/ 题目描述 Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Input: [0,1] Output: 2
LeetCode 525. Contiguous Array 原题链接在这里:https://leetcode.com/problems/contiguous-array/ 题目: Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Input: [0,1] Output: 2...
Explanation: [0, 1] (or [1, 0]) is a longest contiguous subarray with equal number of 0 and 1. Note: The length of the given binary array will not exceed 50,000. 题目大意:给定一个二值数组,返回含有相同个数的0和1的最长连续子数组的长度。
LeetCode 525. Contiguous Array Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Input: [0,1] Output: 2 Explanation: [0, 1] is the longest contiguous subarray with equal number of 0 and 1....
[LeetCode] 525. Contiguous Array Given a binary array, find the maximum length of a contiguous subarray with equal number of 0 and 1. Example 1: Input:[0,1]Output:2Explanation:[0,1]isthe longest contiguous subarraywithequal numberof0and1....