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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.     while(cin>>a){
  10.  
  11.         cin >> b >> c;
  12.         delta = b*b - 4*a*c;
  13.         if(delta==0)
  14.             cout<<1<<endl;
  15.         else if(delta>0)
  16.             cout<<2<<endl;
  17.         else
  18.             cout<<0<<endl;
  19.     }
  20.  
  21. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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0.3 0.3 0.4
0.5 1 0.5
-0.5 -0.5 0
1 2 1
stdout
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0
1
2
1
https://ideone.com/gluFBJ
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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