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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int a, b, c;
  7. 	cin >> a >> b >> c;
  8. 	double delta = b * b - 4 * a * c;
  9. 	printf("% .3f",(-delta) / (4 * a));
  10. 	return 0;
  11. }
Success #stdin #stdout 0s 5324KB
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Standard input is empty
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-8234.656
https://ideone.com/jK9pNz
language:
C++14 (gcc 8.3)
created:
8 hours ago
visibility:
public

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