摘要:        
std是一个类(输入输出标准),它包括了cin成员和cout成员,using name space std ;以后才能使用它的成员。#include<iostream.h>中不存在类std,但是他又cin,out的相关函数,不需要使用命名空间了。而第二种标准#include<iostream>,它包    阅读全文
posted @ 2022-09-23 21:16
slowlydance2me
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摘要:        
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro    阅读全文
posted @ 2022-09-23 19:20
slowlydance2me
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