#include <iostream>
using namespace std;
int main()
{
int v, t;
while (cin >> v >> t)
{
cout <<( v * t * 2 ) << endl;
}
return 0;
}
10071 - Back to High School Physics
最新推荐文章于 2024-12-31 11:15:59 发布
#include <iostream>
using namespace std;
int main()
{
int v, t;
while (cin >> v >> t)
{
cout <<( v * t * 2 ) << endl;
}
return 0;
}