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  1. #include <iostream>
  2. #include <math.h>
  3.  
  4. using namespace std;
  5.  
  6. int main()
  7. {
  8. int iters = 100;
  9. double a = 0;
  10.  
  11. for (int q = 0; q < iters; q++)
  12. for (int i = 1; i < 10000000; i++)
  13. if (i%2 == 0) a*=i; else a /=i;
  14. cout << a;
  15. return 0;
  16. }
Success #stdin #stdout 6.12s 2896KB
stdin
Standard input is empty
stdout
Standard output is empty