摘要:
地址:http://codeforces.com/contest/796/problem/D 题目: D. Police Stations time limit per test 2 seconds memory limit per test 256 megabytes input standard 阅读全文
摘要:
地址:http://codeforces.com/contest/796/problem/C 题目: C. Bank Hacking time limit per test 2 seconds memory limit per test 256 megabytes input standard in 阅读全文