牛牛学矩形
牛牛学矩形
https://ac.nowcoder.com/acm/problem/21998
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b,s,d;
cin>>a>>b;
d=(a+b)*2;
s=a*b;
cout<<d<<endl;
cout<<s<<endl;
return 0;
}
牛牛学矩形
https://ac.nowcoder.com/acm/problem/21998
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a,b,s,d;
cin>>a>>b;
d=(a+b)*2;
s=a*b;
cout<<d<<endl;
cout<<s<<endl;
return 0;
}
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