07 2022 档案

素数
摘要：欧式筛法求素数 def euler_primary(n): """ 记录[0,n)之间的素数 """ is_primary = [1]*(n+1) is_primary[0] = is_primary[1] =0 primary = [] for num in range(2, n): if is_ 阅读全文
posted @ 2022-07-31 14:34 林東雨 阅读(34) 评论(0) 推荐(0) 编辑
【Linux 配置】E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
摘要：问题描述 E: Failed to fetch http://cn.archive.ubuntu.com/ubuntu/pool/universe/x/x264/libx264-155_0.155.2917+git0a84d98-2_amd64.deb Connection failed [IP: 阅读全文
posted @ 2022-07-09 12:48 林東雨 阅读(1833) 评论(0) 推荐(0) 编辑