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  1. #include <iostream>
  2. #include <cmath>
  3. #include <limits>
  4. using namespace std;
  5. int main() {
  6.     double b,a;
  7.     double inf = std::numeric_limits<double>::infinity();
  8.     double c;
  9.     cin>>b>>a;
  10.     c=(b<a)?inf:sqrt(b*b-a*a);
  11.     cout<<c;
  12.     return 0;
  13. }
Success #stdin #stdout 0s 4588KB
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https://ideone.com/tcL61U
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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