题解 | #牛牛学矩形#
牛牛学矩形
https://ac.nowcoder.com/acm/contest/18839/1027
#include<iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
cout<<(a+b)*2<<endl<<a*b<<endl;
}
牛牛学矩形
https://ac.nowcoder.com/acm/contest/18839/1027
#include<iostream>
using namespace std;
int main()
{
int a,b;
cin>>a>>b;
cout<<(a+b)*2<<endl<<a*b<<endl;
}
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