摘要：A I’m bored with life 题目要求 求两个数阶乘的gcd include define maxn 100000 define inf 0x3f3f3f3f define LL long long define pb push_back define pii pair define 阅读全文

摘要：A. Mister B and Book Reading Mister B once received a gift: it was a book about aliens, which he started read immediately. This book had c pages. At f 阅读全文

摘要：A Okabe and Future Gadget Laboratory Okabe needs to renovate the Future Gadget Laboratory after he tried doing some crazy experiments! The lab is repr 阅读全文

摘要：题目链接:http://codeforces.com/contest/816 A Karen and Morning It is currently hh:mm, given in a 24 hour format. As you know, Karen loves palindromes, and 阅读全文