13 lines
193 B
C++
13 lines
193 B
C++
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#include <iostream>
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#include <string>
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using namespace std;
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int main()
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{
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int h,r;
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const double pi=3.14;
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cin>>h>>r;
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cout<<pi*r*r*h<<" "<<pi*r*r*2+2*pi*r*h<<endl;
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return 0;
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}
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