напишите код с++, информатика​

Ответ:

// units_conversion.cpp

#include <iostream>

#include <cstdlib>

double in2m(double in) { return 0.0254 * in;  }  

double ft2m(double ft) { return 0.304 * ft; }  

double m2in(double m) { return m / 0.0254; }

double m2ft(double m) { return m / 0.304; }

int main()

{

 using namespace std;

 cout << "Enter length: ";

 double len = 0.0;

 cin >> len;

 cout << "in to m = " << in2m(len) << endl;

 cout << "ft to m = " << ft2m(len) << endl;

 cout << "m to in = " << m2in(len) << endl;

 cout << "m to ft = " << m2ft(len) << endl;

 cout << "in to ft = " << m2ft(in2m(len)) << endl;

 cout << "ft to in = " << m2in(ft2m(len)) << endl;

 return EXIT_SUCCESS;

}

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