37 lines
689 B
C++
37 lines
689 B
C++
#include <string>
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#include <iostream>
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#include <fstream>
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#include <cmath>
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int fuelForMass ( int mass, int accumilator = 0 )
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{
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int res = (mass / 3) - 2;
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if ( res > 0 )
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return fuelForMass( res, accumilator + res );
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return accumilator;
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};
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int main(int argc, char** argv)
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{
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std::ifstream infile( argv[1] );
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int accumilator = 0;
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std::string line;
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while (!infile.eof())
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{
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std::getline(infile, line);
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if ( line.length() == 0 ) continue;
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accumilator += fuelForMass( std::stoi( line ) );
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}
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std::cout << "Sum of the fuel requrements : " << accumilator << std::endl;
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}
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