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  1. #include <iostream>
  2.  
  3. using namespace std;
  4. double a, b, c, delta;
  5.  
  6.  
  7. int main(void)
  8. {
  9.     int x;
  10.     while(cin>>x){
  11.  
  12.         cin>>a>>b>>c;
  13.         delta=b*b-4*a*c;
  14.         if(delta==0)
  15.             cout<<1<<endl;
  16.         else if(delta>0)
  17.             cout<<2<<endl;
  18.         else
  19.             cout<<0<<endl;
  20.     }
  21. return 0;
  22. }
Success #stdin #stdout 0s 15240KB
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stdin
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0.3 0.3 0.4
-0.5 -0.5 0
stdout
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https://ideone.com/FWKyp8
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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