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Clarity on overriding equals() and hashcode() in Java
In today's Codeforces Round (#763) problem B, I tried finding a pair object in a HashSet. Even after overriding equals() and hashcode() methods, I still ended up with WA on test 4. Here is the link to my solutions:
1) WA Submission using HashSet
2) Working Solution using 2D matrix
Please let me know of a good fix for this.
