2017年3月5日
HDU-1540 Tunnel Warfare 【线段树+单点修改+区间更新】
摘要： Problem Description During the War of Resistance Against Japan, tunnel warfare was carried out extensively in the vast areas of north China Plain. Gen 阅读全文
posted @ 2017-03-05 16:03 Robin! 阅读(112) 评论(0) 推荐(0) 编辑