0
0
已采纳
定义a
cout<< "*"<<endl;
cout<< "**"<<endl;
cout<< "***"<<endl;
cout<< "****"<<endl;
cout<< "***** "<<endl;
cout<< "******"<<endl;
cout<< "*******"<<endl;
刚学c++,用C++来说吧。双引号里面的是字符串 而单引号里面的代表字符 朋友 你可以这样理解 只要是在双引号里面的不代表任何表达式的意义 假如 int a=10 cout<<"a";
这是用 双引号 它在屏幕上就是 a 而 int a=10 cout<<a; 这个a就代表表达式a=10在屏幕上是10 而int a=10 cout<<‘a’;将会是65 因为用单引号里面的代表字符 而字符要用ASCII码 表示
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cout<<"*"<<endl<<"**"<<endl<<"***"<<endl<<"****"<<endl<<"*****"<<endl<<"******"<<endl<<"*******";
return 0;
一行也行
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0
cout<<"*\n";
cout<<"**\n";
cout<<"***\n";
cout<<"****\n";
cout<<"*****\n";
cout<<"******\n";
cout<<"*******\n";
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0
要加双引号
cout<< "*"<<endl;
cout<< "**"<<endl;
cout<< "***"<<endl;
cout<< "****"<<endl;
cout<< "***** "<<endl;
cout<< "******"<<endl;
cout<< "*******"<<endl;
0
0
0
要加双引号
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******";
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0
cout<< "*"<<endl;
cout<< "**"<<endl;
cout<< "***"<<endl;
cout<< "****"<<endl;
cout<< "*****"<<endl;
cout<< "******"<<endl;
cout<< "*******"<<endl;
0
0
0
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;


0
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;
0
0
int a;
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;
return 0;
}
0
要加引号!
cout<<"*";
cout<<endl;
cout<<"**";
cout<<endl;
cout<<"***";
cout<<endl;
cout<<"****";
cout<<endl;
cout<<"*****";
cout<<endl;
cout<<"******";
cout<<endl;
cout<<"*******";
cout<<endl;
0
巫桢旺

你少了双引号
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;
0
cout<<*<<endl;
cout<<**<<endl;
cout<<***<<endl;
cout<<****<<endl;
cout<<*****<<endl;
cout<<******<<endl;
cout<<*******<<endl;
改成
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;
0
