摘要:
Codeforces 559C:Gerald and Giant Chess 题目链接:Codeforces http://codeforces.com/problemset/problem/559/C 51nod http://www.51nod.com/onlineJudge/questionC 阅读全文
摘要:
Codeforces 461B:Appleman and Tree 题目链接:Codeforces http://codeforces.com/contest/461/problem/B 51nod http://www.51nod.com/onlineJudge/questionCode.html 阅读全文