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题目描述： Kyoya and Colored Balls time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Kyoya Ooto 阅读全文
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题目描述： C. Producing Snow time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Alice likes snow 阅读全文
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题目描述： Ice Skating time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Bajtek is learning to 阅读全文
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题目描述: Prime Gift time limit per test 3.5 seconds memory limit per test 256 megabytes input standard input output standard output Opposite to Grisha's 阅读全文