poj2689 Prime Distance(思维+筛素数)
摘要：
Prime Distance Time Limit: 1000MS Memory Limit: 65536K Description The branch of mathematics called number theory is about properties of numbers. One 阅读全文
posted @ 2020-04-24 16:03 轻描淡写ぃ 阅读(121) 评论(0) 推荐(0) 编辑
