摘要: http://codeforces.com/contest/1199/problem/D Examples input1 output1 input2 output2 Note In the first example the balances change as follows: 1 2 3 4  阅读全文
posted @ 2019-07-31 12:01 jiamian22 阅读(389) 评论(0) 推荐(0) 编辑