摘要： There are n cities and n - 1 roads in the Seven Kingdoms, each road connects two cities and we can reach any city from any other by the roads. Theon a 阅读全文

摘要： 1：输入 vim 文件名.cpp 2：进行编辑，编辑操作参考 >初识vim 主要三个步骤 ：1）输入字母 i ， 进入插入编写模式，编写完成后，按esc 退出编写模式，按：wq ，保存并退出，有时需要再wq后加！号 3：输入 g++ 文件名.cpp -o 文件名 ,报错就看看错在哪里，然后再输入-- 阅读全文

摘要： Bran and his older sister Arya are from the same house. Bran like candies so much, so Arya is going to give him some Candies. At first, Arya and Bran 阅读全文