摘要：
Bill Total Value time limit per test 1 second time limit per test memory limit per test 256 megabytes memory limit per test input standard input input 阅读全文
摘要：
http://codeforces.com/contest/727/problem/A Transformation: from A to B time limit per test 1 second time limit per test memory limit per test 256 meg 阅读全文