lc560

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Published: Aug 9, 2023 License: GPL-3.0 Imports: 0 Imported by: 0

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560.和为 K 的子数组

1. 题目描述

给你一个整数数组 nums 和一个整数 k ,请你统计并返回 该数组中和为 k **** 的子数组的个数

示例 1:


输入:nums = [1,1,1], k = 2
输出:2

示例 2:


输入:nums = [1,2,3], k = 3
输出:2

提示:

  • 1 <= nums.length <= 2 * 10^4
  • -1000 <= nums[i] <= 1000
  • -10^7 <= k <= 10^7

标签 数组 哈希表 前缀和

2. 解题

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