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E -Hardwood SpeciesTime Limit:10000MSMemory Limit:65536KB64bit IO Format:%I64d & %I64uSubmitStatusPracticePOJ 2418DescriptionHardwoods are the botanic... 阅读全文
摘要:
A -An easy problemTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 2055Descriptionwe define f(A) = 1, f(a) = ... 阅读全文
摘要:
http://acm.hust.edu.cn/vjudge/contest/view.action?cid=78044#problem/B给定两个数 m,n ,让你求在【m,n】范围里,所有数的0的个数。思路: 从个位开始列举,1233,个位是零的情况有124种,这里我们将0算在情况里; 十位是0的... 阅读全文