Codeforces Round #376 (Div. 2) D. 80-th Level Archeology —— 差分法 + 线段扫描法
摘要:
题目链接:http://codeforces.com/contest/731/problem/DD. 80-th Level Archeologytime limit per test2 secondsmemory limit per test256 megabyte... 阅读全文
posted @ 2017-06-04 15:06 h_z_cong 阅读(234) 评论(0) 推荐(0) 编辑