题解 | #牛牛学矩形#
牛牛学矩形
https://ac.nowcoder.com/acm/problem/21998
using namespace std;
long long chang , kuang;
int main() {
cin >> chang >> kuang;
cout << (chang + kuang) * 2 << endl;
cout << chang * kuang << endl;
return 0;
}
牛牛学矩形
https://ac.nowcoder.com/acm/problem/21998
using namespace std;
long long chang , kuang;
int main() {
cin >> chang >> kuang;
cout << (chang + kuang) * 2 << endl;
cout << chang * kuang << endl;
return 0;
}
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