摘要：DescriptionGiven a positive integer N, you should output the most right digit of N^N. InputThe input contains several test cases. The first line of th... 阅读全文

摘要：DescriptionGiven a sequence a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a sub-sequence. For example, given (6,-1,5,4,-7), the ma... 阅读全文