560. Subarray Sum Equals K #22
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Fuminiton
reviewed
May 11, 2025
| } | ||
| } | ||
| return count | ||
| }; |
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特に問題ないと思いました。
強いていうならcumSumをcumulativeSumとしたい人もいる気がします。
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ありがとうございます。
cumSumがcumulativeSumであることは、確かに自明ではないですね。
oda
reviewed
May 12, 2025
| ```javascript | ||
| const subarraySum = function(nums, k) { | ||
| const cumSumToCount = new Map() | ||
| cumSumToCount.set(0, 1) |
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はい、違和感は無いです。
先頭の要素を含む部分列を含めるために必要です!
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問題URL
問題文
Given an array of integers nums and an integer k, return the total number of subarrays whose sum equals to k.
A subarray is a contiguous non-empty sequence of elements within an array.
Example 1:
Example 2:
Constraints: