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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.     int n;
  6.     double S = 0;
  7.     cin >> n;
  8.     S = 1-(1/n); 
  9.     cout << S;
  10.     return 0;
  11. }
Success #stdin #stdout 0s 4256KB
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https://ideone.com/TFYenM
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
secret

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