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摘要： B. Rebrandingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe name of one small but proud cor... 阅读全文

摘要： C. Duff and Weight Liftingtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, Duff has been... 阅读全文

摘要： DescriptionThink about a plane:● One straight line can divide a plane into two regions.● Two lines can divide a plane into at most four regions.● Thre... 阅读全文

摘要： UsoperantoUsoperanto is an artificial spoken language designed and regulated by Usoperanto Academy. The academy is now in study to establish Strict Us... 阅读全文

摘要： frog hasnintegersa1,a2,…,an, and she wants to add them pairwise.Unfortunately, frog is somehow afraid of carries (进位). She defines \emph{hardness}h(x,... 阅读全文

摘要： POJ 1182 食物链http://acm.pku.edu.cn/JudgeOnline/problem?id=1182题目告诉有3种动物，互相吃与被吃，现在告诉你m句话，其中有真有假，叫你判断假的个数(如果前面没有与当前话冲突的，即认为其为真话)这题有几种做法，我以前的做法是每个集合(或者称为子... 阅读全文

摘要： 详细讲解： http://blog.csdn.net/acosoft/article/details/4395468 阅读全文

摘要： 逆元介绍 阅读全文

摘要： 链接:http://blog.csdn.net/lvshubao1314/article/details/39829217 阅读全文

摘要： 链接： http://blog.csdn.net/lvshubao1314/article/details/41702291 阅读全文