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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. double a=0.0,b=0.0,c=0.0;
  6.  
  7. int main()
  8. {
  9.  while (!cin.eof())
  10.  {
  11.  
  12.     cin>>a>>b>>c;
  13.     double delta=b*b-4*a*c;
  14.     if (delta==0) cout<<1<<endl;
  15.     else if (delta<0) cout<<0<<endl;
  16.     else cout<<2<<endl;
  17. }
  18.  
  19.  return 0;
  20. }
  21.  
Success #stdin #stdout 0s 15240KB
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https://ideone.com/ObE9hz
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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