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Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and perfor...

cnblogs.com/gysm/archive/2011/08/03/2126511.最近在看C++,学到了标准库这一章，看到cin的时候，我们经常看到很多的代码中会有这么一段while(cin>>x){ ......}。这里我们最关注的问题是while括号里面cin>>x他每...

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Finally term begins. luras loves school so much as she could skip the class happily again.Luras will take n lessons in sequence(in another w...

A. Our beloved detective, Sherlock is currently trying to catch a serial killer who kills a person each day. Using his powers of deduction, ...

B. After the fourth season Sherlock and Moriary have realized the whole foolishness of the battle between them and decided to continue their...

One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤ X ≤ N...

Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man who tells him whet...

Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit...