Problem Description Given an positive integer A (1 <= A <= 100), output the lowest bit of A.

Problem Description Eddy’s interest is very extensive, recently he is interested in prime number. Eddy discover the all number owned can be divided into the m...

Problem Description The digital root of a positive integer is found by summing the digits of the integer. If the resulting value is a single digit then that d...

Problem Description Ignatius was born in a leap year, so he want to know when he could hold his bi

Problem Description Given a positive integer N, you should output the most right digit of N^N.

Problem Description A number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18...

Problem Description How far can you make a stack of cards overhang a table? If you have one card,

Input Each line will contain one integer N(1 < n < 1000000000). Process to end of file.

Problem Description Now give you two integers n m, you just tell me the m-th number after radix point in 1/n,for example n=4,the first numble after point is 2...

Problem Description Eddy是个ACMer,他不仅喜欢做ACM题,而且对于Ranklist中每个人的ac数量也有一定的研究,他在无聊时经常在纸上把Ranklist上每个人的ac