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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     long long n, k, j;
  7.     double sum1, sum2;
  8.  
  9.     cin >> n;
  10.     sum1 = sum2 = 0;
  11.     for(j=1; j<n; j++)
  12.         for(k=1; k<=n-j; k++)
  13.             sum1 += 1./k;
  14.     for(k=1; k<n; k++)
  15.         for(j=1; j<=n-k; j++)
  16.             sum2 += 1./k;
  17.  
  18.     cout << sum1 << " " << sum2 << endl;
  19.  
  20.     return 0;
  21. }
  22.  
Success #stdin #stdout 1.25s 2688KB
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stdin
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10000
stdout
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87876.1 87876.1
https://ideone.com/i8vhAL
language:
C++ 4.3.2 (gcc-4.3.2)
created:
8 years ago
visibility:
secret

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