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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	double E, logarithm=0, ai, x;
  7. 	int i=2;
  8. 	cin >> x >> E;
  9. 	if(x!=0){
  10. 		ai=(-x*x);
  11. 		logarithm=ai;
  12. 		while(abs(ai/2)>E){
  13. 			ai*=x*x;
  14. 			logarithm+=ai/i;
  15. 			i++;
  16. 		}
  17. 	}
  18. 	cout <<  logarithm;
  19.  
  20. 	return 0;
  21. }
Time limit exceeded #stdin #stdout 5s 3412KB
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stdin
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1 0.03
stdout
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Standard output is empty
https://ideone.com/vUpRJi
log(1-x^2)
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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