Editorial for Circle
Remember to use this editorial only when stuck, and not to copy-paste code from it. Please be respectful to the problem author and editorialist.
Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
include<iostream> using namespace std;
int main()
{
float n,cv,dt;
cin>>n;
if(n >= 0)
{
cv = 2 * 3.14 * n;
dt = 3.14 * n * n;
cout<<cv<<endl<<dt<<endl;
}
else
{
cout<<"NO CIRCLE";
}
return 0;}
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