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  1. #include <iostream>
  2. #include <cmath> // Để sử dụng sqrt,pow và abs
  3. using namespace std;
  4.  
  5. int main(){ 
  6.     int x1, y1, x2, y2;
  7.     double r1, r2;
  8.  
  9.     cin >> x1 >> y1;
  10.     cin >> x2 >> y2;
  11.     cin >> r1 >> r2;
  12.  
  13.     // Tính khoảng cách giữa hai tâm đường tròn
  14.     double d = sqrt(pow(x1 - x2, 2) + pow(y1 - y2, 2));
  15.  
  16.     if (d > r1 + r2 || d < abs(r1 - r2)) {
  17.         cout << "Khong co diem chung" << endl;
  18.     } else if (d == r1 + r2 || d == abs(r1 - r2)) {
  19.         cout << "Co 1 diem chung" << endl;
  20.     } else {
  21.         cout << "Co 2 diem chung" << endl;
  22.     }
  23.  
  24.     return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5292KB
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Khong co diem chung
https://ideone.com/udBVAz
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
secret

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