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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6.     double x, y;
  7.     cout << "Введите значения x и y: ";
  8.     cin >> x >> y;
  9.  
  10.     bool p = false;  
  11.  
  12.  
  13.     if (x * x + y * y <= 1) {
  14.  
  15.             if (x + y >= 0 && x + y <= 1)
  16.                 p = true;
  17.  
  18.         else if (x <= 0 && y >= 0) {
  19.  
  20.             if (y - x >= 0 && y - x <= 1)
  21.                 p = true;
  22.         }
  23.         else if (x <= 0 && y <= 0) {
  24.  
  25.             if (-(x + y) >= 0 && -(x + y) <= 1)
  26.                 p = true;
  27.         }
  28.         else {
  29.  
  30.             if (y + x >= 0 && y + x <= 1)
  31.                 p = true;
  32.         }
  33.     }
  34.  
  35.  
  36.     if (p)
  37.         cout << "ДА" << endl;
  38.     else
  39.         cout << "НЕТ" << endl;
  40.  
  41.     return 0;
  42. }
Success #stdin #stdout 0.01s 5304KB
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Введите значения x и y: НЕТ
https://ideone.com/8lhBI2
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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