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title: "#weekly-contest-220 articles | Hashnode"
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# #weekly-contest-220

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[Anni Huang](https://hashnode.com/@HuangAnni) · [Jul 22, 2025](https://hashnode.com/posts/leetcode-1695-maximum-erasure-valuemed-java-on/687fa9dc179cdbbf6a7f3846)

### [LeetCode 1695-Maximum Erasure Value(Med, Java, O(n))](https://huanganni.hashnode.dev/leetcode-1695-maximum-erasure-valuemed-java-on?utm_source=hashnode&utm_medium=feed)

Problem Description 1695. Maximum Erasure Value This problem asks us to find the maximum sum of a contiguous subarray where all elements are unique (no duplicates). We need to identify the subarray with unique elements that has the largest sum and ...

3 min read · [huanganni.hashnode.dev](https://huanganni.hashnode.dev/leetcode-1695-maximum-erasure-valuemed-java-on?utm_source=hashnode&utm_medium=feed)