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andruhovski

SP0305-01

Feb 10th, 2014
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C++ 0.42 KB | None | 0 0
  1.     // Дано дійсні числа a1, a2, …, a30, b1, b2, …, b30.
  2.     // Обчислити (a1 + b30)(a2 + b29)…(a30 + b1).
  3.     vector<double> a(30,1);
  4.     vector<double> b(30,1);
  5.     vector<double>::iterator it_a;
  6.     vector<double>::reverse_iterator it_b;
  7.     double sum=0;
  8.     double dob=1;
  9.     for (it_a=a.begin(), it_b=b.rbegin();
  10.         it_a!=a.end();
  11.         it_a++, it_b++)
  12.     {
  13.         dob*=(*it_a + *it_b);
  14.     }
  15.     cout << dob << endl;
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