2018年5月10日
zoj1610- Count the Colors（线段树区间染色覆盖问题）
摘要： Painting some colored segments on a line, some previously painted segments may be covered by some the subsequent ones. Your task ... 阅读全文
posted @ 2018-05-10 11:10 Apale 阅读(147) 评论(0) 推荐(0)