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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4. main(){
  5.  
  6. int n = 1;
  7. double x = 0.9;
  8. double an = x;
  9. while(fabs(an) >= 0.6)
  10. {
  11. n++;
  12. an *= x/n;
  13. }
  14. cout << n;
  15.  
  16.  
  17. return 0;
  18. }
Success #stdin #stdout 0s 2684KB
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stdin 
Standard input is empty
stdout 
2
https://ideone.com/gqWnPP
language:
C++ 4.3.2 (gcc-4.3.2)
created:
11 years ago
visibility:
public

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