摘要：C. Thor time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Thor is getting used to the Eart 阅读全文

摘要：679 - Dropping Balls Time limit: 3.000 seconds 题目链接：https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&category=& 阅读全文