Codeforces - 828E DNA Evolution —— 很多棵树状数组
摘要:
题目链接:http://codeforces.com/contest/828/problem/E E. DNA Evolution time limit per test 2 seconds memory limit per test 512 megabytes input standard inp 阅读全文
posted @ 2018-04-22 21:23 h_z_cong 阅读(321) 评论(0) 推荐(0) 编辑