摘要：
Description Little Sub likes Math. Now he has a simple counting problem for you. Given an positive integer sequence A, for each Ai, Please calculate h 阅读全文
摘要：
Description Little Sub loves eating apples and he has n apples initially. In the following t days, Little Sub will eat k apples each day. If the numbe 阅读全文
摘要：
Description Little Sub is an ICPC participant. Every time when Little Sub solves a new problem, a balloon will be given to him. Different problems hav 阅读全文
摘要：
Description Little Sub has learned a new word ’Triple’, which usually means a group with three elements in it. Now he comes up with an interesting pro 阅读全文
摘要：
Description ’Why are you always repeating what I say?’ says Applese, a friend of Little Sub. ’Because it is the most important quality of mankind.’ sa 阅读全文