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E. Test time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Sometimes it is hard to prepare 阅读全文
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Constellations Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 6522 Accepted: 1311 Description The starry sky in the summer night is one of 阅读全文
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C. Weakness and Poorness time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output C. Weakness and 阅读全文