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已解决
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已采纳
直接用cout输出
也可以用循环
cout<<"*";
cout<<endl;
cout<<"**";
cout<<endl;
cout<<"***";
cout<<endl;
cout<<"****";
cout<<endl;
cout<<"*****";
cout<<endl;
cout<<"******";
cout<<endl;
cout<<"*******";
cout<<endl;
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cout<<"*"<<endl<<"**"<<endl<<"***"<<endl<<"****"<<endl<<"*****"<<endl<<"******"<<endl<<"*******";
return 0;
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cout<<"*\n";
cout<<"**\n";
cout<<"***\n";
cout<<"****\n";
cout<<"*****\n";
cout<<"******\n";
cout<<"*******\n";
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cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;
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cout<<"*"; cout<<endl; cout<<"**"; cout<<endl; cout<<"***"; cout<<endl; cout<<"****"; cout<<endl; cout<<"*****"; cout<<endl; cout<<"******"; cout<<endl; cout<<"*******";
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