幼儿园
牛牛学矩形
http://www.nowcoder.com/questionTerminal/0643671f64014532af121e58c5ae9905
include
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
cout<<2(a+b)<<endl;
cout<<ab;
return 0;
}
牛牛学矩形
http://www.nowcoder.com/questionTerminal/0643671f64014532af121e58c5ae9905
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
cout<<2(a+b)<<endl;
cout<<ab;
return 0;
}
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