摘要:
Digital RootsTime Limit: 1000ms Memory limit: 65536K 题目描述The digital root of a positive integer is found by summing the digits of the integer. If the ... 阅读全文
摘要:
Intersecting LinesTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 10942Accepted: 4917DescriptionWe all know that a pair of distinct points o... 阅读全文