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21 lines
585 B
C++
21 lines
585 B
C++
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#include<iostream>
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#include <iomanip>
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using namespace std;
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int main(){
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const float pi = 3.1415927;
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float diameter_inch;
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int circle;
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float time_sec;
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int count = 1;
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while(cin>>diameter_inch>>circle>>time_sec && circle != 0){
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float distance;
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float time_hour;
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float speed;
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distance = pi * diameter_inch * circle / 5280 / 12;
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time_hour = time_sec / 3600;
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speed = distance / time_hour;
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cout<<"Trip #"<<count++<<": ";
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cout<<fixed<<setprecision(2)<<distance<<" "<<speed<<endl;
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}
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}
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