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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5.     ios_base::sync_with_stdio(false);
  6.     cin.tie(NULL);
  7.     double h;
  8.     cin >> h;
  9.     double g = 9.8;
  10.     double v = sqrt(2 * g * h); 
  11.     cout << fixed << setprecision(3) << v << endl;
  12.     return 0;
  13. }
Success #stdin #stdout 0.01s 5324KB
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Standard input is empty
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0.000
https://ideone.com/5mJkpr
language:
C++14 (clang 8.0)
created:
1 day ago
visibility:
public

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