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2 questions
6votes
1answer
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Codeforces: D2. Counting Is Fun (Hard Version)
The code works okay for the following problem. Problem An array 𝑏 of 𝑚 non-negative integers is said to be good if all the elements of 𝑏 can be made equal to 0 using the following operation some (...
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5votes
2answers
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Optimizing O(m n) solution for longest common subsequence challenge
Given two strings string X of length x1 and string Y of length ...
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