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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  8.  
  9.     double a;
  10.     cin >> a;
  11.     cout << fixed << setprecision(4) << a;
  12. }
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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0.0000
https://ideone.com/aiEjzz
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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