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...
2.Smallest Subarray with a given sum(easy) 2.1 问题描述 Given an array of positive integersnumsand a positive integertarget, return the minimal length of a「contiguous subarray」[numsl, numsl+1, ..., numsr-1, numsr]of which the sum is greater than or equal totarget. If there is no...
Given an array A of integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible by K.Example 1:Input: A = [4,5,0,-2,-3,1], K = 5Output: 7Explanation: There are 7 subarrays with a sum divisible by K = 5:[4, 5, 0, -2, -3, 1], [5]...
Given an array A of integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible by K. Example 1: Input: A = [4,5,0,-2,-3,1], K = 5 Output: 7 Explanation: There are 7 subarrays with a sum divisible by K = 5: [4, 5, 0, -2, -3, 1]...
Given an arrayAof integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible byK. Example 1: Input: A =[4,5,0,-2,-3,1], K =5 Output:7 Explanation: There are 7 subarrays with a sum divisible by K = 5: ...
Can you solve this real interview question? Maximum Subarray - Given an integer array nums, find the subarray with the largest sum, and return its sum. Example 1: Input: nums = [-2,1,-3,4,-1,2,1,-5,4] Output: 6 Explanation: The subarray [4,-1,2,1]
Given an arrayAof integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible byK. Example 1: AI检测代码解析 Input: A =[4,5,0,-2,-3,1], K =5 Output:7 Explanation: There are 7 subarrays with a sum divisible by K = 5: ...
Given an array A of integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible by K. Example 1: AI检测代码解析 Input: A=[4,5,0,-2,-3,1], K=5 Output:7 Explanation: There are7subarrays with a sum divisible by K...
(Formally, for a subarray C[i], C[i+1], ..., C[j], there does not exist i <= k1, k2 <= j with k1 % A.length = k2 % A.length.) Example 1: Input: [1,-2,3,-2] Output: 3 Explanation: Subarray [3] has maximum sum 3 Example 2: Input: [5,-3,5] Output: 10 ...
Leetcode.209 Minimum Size Subarray Sum 题目Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous subarray of which the sum ≥ s. If there isn't one, return 0 ...LeetCode 209 [Minimum Size Subarray Sum] 原题 给定一个由 n 个整数...