2016年9月21日
HDU 3727 Jewel 可持久化线段树
摘要： Jewel Problem Description Jimmy wants to make a special necklace for his girlfriend. He bought many beads with various sizes, and no two beads are wit 阅读全文
posted @ 2016-09-21 17:47 meekyan 阅读(315) 评论(0) 推荐(0) 编辑