文章浏览阅读1.4w次,点赞5次,收藏5次。xlxh@ubuntu:~$ apt install gitE: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?xlxh@ubuntu:..._liberror-perl...
文章浏览阅读1.4w次,点赞5次,收藏5次。xlxh@ubuntu:~$ apt install gitE: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?xlxh@ubuntu:..._liberror-perl...
文章浏览阅读316次。主要是要理解红黑树的定义:There is a kind of balanced binary search tree named red-black tree in the data structure. It has the following 5 properties:(1) Every node is either red or black.(2) The root is bl_pat 甲级 1135 测试点3...