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  1. #include <iostream>
  2.  
  3. long double hs(int n) {
  4.     long double r = 0.0;
  5.     for (int i = 1; i <= n; ++i) {
  6.         r += 1 / (long double)i;
  7.     }
  8.     return r;
  9. }
  10.  
  11. int main() {
  12.     std::cout << hs(3);
  13.     return 0;
  14. }
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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1.83333
https://ideone.com/eo9gMx
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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