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17 lines
274 B
C++
17 lines
274 B
C++
#include <iostream>
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#include <cmath>
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#include <cstdlib>
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#include <cstdio>
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#include <iomanip>
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using namespace std;
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int main(){
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const double pi = acos(-1.0);
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double r;
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double h;
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cin >>r>>h;
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cout <<"Area = "<<fixed<<setprecision(3)<<2*pi*r*h+2*pi*pow(r,2);
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return 0;
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}
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