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已解决
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已采纳
for(int i=1;i<=7;i++)//7行
{
for(int j=1;j<=i;j++)//第1行打1个*,第2行打2个*...第7行打7个*
cout<<'*';
cout<<endl;//换行
}
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cout<<"*\n";
cout<<"**\n";
cout<<"***\n";
cout<<"****\n";
cout<<"*****\n";
cout<<"******\n";
cout<<"*******\n";
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int a;
cout<<"*"<<endl;
cout<<"**"<<endl;
cout<<"***"<<endl;
cout<<"****"<<endl;
cout<<"*****"<<endl;
cout<<"******"<<endl;
cout<<"*******"<<endl;
return 0;
}
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