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rational

a guest Apr 7th, 2020 188 Never
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  1.     int a;
  2.     cin >> a;
  3.  
  4.     int p, q;
  5.     cin >> p >> q;
  6.     const Rational rc(p, q); // q != 0 is guaranteed by author of tests
  7.     cout << rc.getNumerator() << ' ' << rc.getDenominator() << endl;
  8.  
  9.     Rational r1, r2;
  10.     cin >> r1 >> r2;
  11.  
  12.     cout << r1 << endl;
  13.     cout << r2 << endl;
  14.  
  15.     try {
  16.         cout << 1/r1 << endl;
  17.     } catch (const RationalDivisionByZero& ex) {
  18.         cout << "Cannot get reciprocal of r1." << endl;
  19.     }
  20.  
  21.     try {
  22.         cout << rc/r2 << "   " <<rc << "/" << r2 << endl;
  23.     } catch (const RationalDivisionByZero& ex) {
  24.         cout << "Cannot divide by r2." << endl;
  25.     }
  26.  
  27.     cout << "here I am sure..\n";
  28.     cout << (r1 < r2) << ' ' << r1 << '<' << r2  << endl;
  29.     cout << (r1 <= r2) << ' ' << r1 << "<=" << r2 << endl;
  30.     cout << (r1 > r2) << ' ' << r1 << '>' << r2 << endl;
  31.     cout << (r1 >= r2) << ' ' << r1 << ">=" << r2 << endl;
  32.     cout << (r1 == r2) << ' ' << r1 << "==" << r2 << endl;
  33.     cout << (r1 != r2)  << ' ' << r1 << "!=" << r2<< endl;
  34.  
  35.     cout << (r1 < a) << ' ' << r1 << '<' << a << endl;
  36.     cout << (r1 <= a) << ' ' << r1 << "<=" << a << endl;
  37.     cout << (r1 > a) << ' ' << r1 << '>' << a << endl;
  38.     cout << (r1 >= a) << ' ' << r1 << ">=" << a << endl;
  39.     cout << (r1 == a) << ' ' << r1 << "==" << a << endl;
  40.     cout << (r1 != a) << ' ' << r1 << "!=" << a << endl;
  41.  
  42.     cout << (a < r2) << ' ' << a << '<' << r2 << endl;
  43.     cout << (a <= r2) << ' ' << a << "<=" << r2 << endl;
  44.     cout << (a > r2)  << ' ' << a << '>' << r2 << endl;
  45.     cout << (a >= r2) << ' ' << a << ">=" << r2 << endl;
  46.     cout << (a == r2) << ' ' << a << "==" << r2 << endl;
  47.     cout << (a != r2) << ' ' << a << "!=" << r2 << endl;
  48.     cout << "here I am NOT sure..\n";
  49.  
  50.     cout << rc + a << " = " << rc << " + " <<  a << endl;
  51.     cout     << a + rc << " = " << a << " + " <<  rc << endl;
  52.     cout     << -rc * r1 << " = " << -rc << " * " <<  r1 << endl;
  53.     cout     << (+r1 - r2 * rc) * a << " = " << "(" << +r1 << " - " <<  r2 << " * " << rc << ")" <<  "*" <<  a << endl;
  54.  
  55.     cout  << "    ++" << r1 << "   " << ++r1 << endl;
  56.     cout << r1 << endl;
  57.     cout  << "   " << r1 << "++" << "    " << r1++ << endl;
  58.     cout << r1 << endl;
  59.     cout  << "    --" << r1 << "    " << --r1 << endl;
  60.     cout << r1 << endl;
  61.     cout  << "   " << r1 << "--   " << r1-- << endl;
  62.     cout << r1 << endl;
  63.     cout << "++++" << r1 << "    " << ++++r1 << endl;
  64.     cout << r1 << endl;
  65.  
  66.     cout << "((((" << r1 << "+=" << r2<<")" << "/="<< Rational(-5,3) <<") -=" << rc <<") *=" << a<<")" << "        " << ((((r1 += r2) /= Rational(-5,3)) -= rc) *= a) << endl;
  67.     cout <<"(" << r1<< "+=" << r2 <<"/=" << 3<< ")"<<"     " << (r1 += r2 /= 3) << endl;
  68.     cout << r1 << endl;
  69.     cout << r2 << endl;
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