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C -I love sneakers!Time Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionAfter months of hard working, Iserlohn finally wins awesome amount of scholarship. As a great zealot of sneakers, he decides to spend all his money on them in a sneaker store.There are sev 阅读全文
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B -ACboy needs your helpTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionACboy has N courses this term, and he plans to spend at most M days on study.Of course,the profit he will gain from different course depending on the days he spend on it.How to arrang 阅读全文
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K -BalanceTime Limit:1000MSMemory Limit:30000KB64bit IO Format:%I64d & %I64uSubmitStatusDescriptionGigel has a strange "balance" and he wants to poise it. Actually, the device is different from any other ordinary balance.It orders two arms of negligible weight and each arm's length 阅读全文