摘要：
传送门：http://codeforces.com/contest/1105/problem/C C. Ayoub and Lost Array time limit per test 1 second memory limit per test 256 megabytes input standa 阅读全文
摘要：
传送门：http://codeforces.com/contest/1105/problem/B B. Zuhair and Strings time limit per test 1 second memory limit per test 256 megabytes input standard 阅读全文