摘要:
http://codeforces.com/contest/1260/problem/A A. Heating time limit per test 1 second memory limit per test 256 megabytes input standard input output s 阅读全文
摘要:
http://codeforces.com/contest/1260/problem/B B. Obtain Two Zeroes time limit per test 1 second memory limit per test 256 megabytes input standard inpu 阅读全文