给一个都是整数的数组,返回 和可以被K整除的子数组 数。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: 7Expl
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: [4, 5, 0, -2, -3, 1], [5], ...
Explanation: There are 7 subarrays with asumdivisible by K = 5: [4, 5, 0, -2, -3, 1], [5], [5, 0], [5, 0, -2, -3], [0], [0, -2, -3], [-2, -3] Note: 1 <= A.length <= 30000 -10000 <= A[i] <= 10000 2 <= K <= 10000 解法: PreSum 类似:前缀求和...
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 are7subarrays with a sum divisible by K=5: [4,5,0,...
Can you solve this real interview question? Subarray Sums Divisible by K - Given an integer array nums and an integer k, return the number of non-empty subarrays that have a sum divisible by k. A subarray is a contiguous part of an array. Example 1:
leetcode 974 Subarray Sums Divisible by K 1.题目描述 2.解题思路 3.Python代码 1.题目描述 给定一个整数数组 A,返回其中元素之和可被 K 整除的(连续、非空)子数组的数目。 示例: 输入:A = [4,5,0,-2,-3,1], K = 5 输出:7 解释: 有 7 个子数组满足其元素之和可被 K = 5 整除: [4, ...
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 integer array nums and an integer k, return the number of non-empty subarrays that have a sum divisible by k.A subarray is a contiguous part of an array. Example 1:Input: nums = [4,5,0,-2,-3,1], k = 5Output: 7Explanation: There are 7 subarrays w
leetcode 974 Subarray Sums Divisible by K leetcode 974 Subarray Sums Divisible by K 1.题目描述 2.解题思路 3.Python代码 1.题目描述 给定一个整数数组 A,返回其中元素之和可被 K 整除的(连续、非空)子数组的数目。 示例: 输入:A = [4,5,0,-2,-3,1], K = 5 输出:7 解释: 有 7 个子...
leetcode974. Subarray Sums Divisible by K Given an array A of integers, return the number of (contiguous, non-empty) subarrays that have a sum divisible by K. Example 1: Note: 给定一个集合,求这个集合中子集的个数,其中对子集的要求是子集中元素的和能被k整除。 记数组pre[i+1]表示前 i ...