解题思路:
注意事项:
参考代码:方法一:
#include<iostream>
using std::cout;
int main(){
std::cout<<"**************************\n";
std::cout<<"Hello World!\n";
std::cout<<"**************************\n";
return 0;
}
方法二:
#include<iostream>
using std::cout;
int main(){
cout<<"**************************\n";
cout<<"Hello World!\n";
cout<<"**************************\n";
return 0;
}
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