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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     double a, b, c, delta;
  8.         cin >> a >> b >> c;
  9.         delta = b*b - 4*a*c;
  10.         if( delta == 0)
  11.         {
  12.             cout << 1 << endl;
  13.         }
  14.         if( delta > 0)
  15.         {
  16.             cout << 2 << endl;
  17.         }
  18.         if( delta < 0)
  19.         {
  20.             cout << 0 << endl;
  21.         }
  22.     return 0;
  23. }
Success #stdin #stdout 0s 3464KB
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0.52 1.60 -5.44
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2
https://ideone.com/09gA5A
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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