摘要：
自从上了Grub2，就开始装逼了，配置不如以前方便了。需要修改一些基本的配置如菜单超时之类的可以修改/etc/default/grub文件，然后使用update-grub来更新/boot/grub/grub.cfg文件#GRUB_HIDDEN_TIMEOUT=0把上述一项注释掉，然后指定TIMEOU... 阅读全文
摘要：
Given an array ofnpositive integers and a positive integers, find the minimal length of a subarray of which the sum ≥s. If there isn't one, return 0 i... 阅读全文
摘要：
There are a total ofncourses you have to take, labeled from0ton - 1.Some courses may have prerequisites, for example to take course 0 you have to firs... 阅读全文