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D. String Deletion time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You have a string ss 阅读全文
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Farmer John knows that an intellectually satisfied cow is a happy cow who will give more milk. He has arranged a brainy activity for cows in which the 阅读全文
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A. Divisibility Problem time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output You are given two 阅读全文
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B. Princesses and Princes time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output The King of Be 阅读全文
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A. Sum of Odd Integers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given two 阅读全文