LeetCode 560 on Jeanphilo Bloghttps://shio-chan-dev.github.io/jeanblog/tags/leetcode-560/Recent content in LeetCode 560 on Jeanphilo BlogHugo -- 0.159.2en-usMon, 09 Feb 2026 13:19:45 +0800Hot100: Subarray Sum Equals K Prefix Sum + Hash Map ACERS Guidehttps://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/560-subarray-sum-equals-k/Mon, 09 Feb 2026 13:19:45 +0800https://shio-chan-dev.github.io/jeanblog/alg/leetcode/hot100/560-subarray-sum-equals-k/Count subarrays whose sum equals k in O(n) using prefix sum and frequency hash map, with engineering scenarios, pitfalls, and runnable multi-language implementations.