摘要: The xor-longest Path Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 7332 Accepted: 1555 Description In an edge-weighted tree, the xor-leng 阅读全文
posted @ 2017-09-28 21:44 luckilzy 阅读(367) 评论(0) 推荐(0) 编辑