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  1. #include <iostream>
  2. using namespace std;
  3. long double pow(long double number, unsigned int power) {
  4. 	long double answer = 1;
  5. 	for (int i = 0; i < power; i++){
  6. 		answer *= number;
  7. 	}
  8. 	return answer;
  9. }
  10. int main() {
  11. 	long double sum = 0; unsigned int n = 0; long double numerator = 1, denominator = 1;
  12. 	//numerator - числитель, denominator - знаменатель, sum - сумма.
  13. 	cin >> n;
  14. 	for (unsigned int i = 1; i <= n; i++) {
  15. 		denominator = pow(i, i-1);
  16. 		sum += (1.0*numerator)/denominator; 
  17. 		numerator*=i;
  18. 	}
  19. 	cout << "Сумма: " << sum << endl;
  20. 	cout << "Числитель: " << numerator << endl;
  21. 	cout << "Знаменатель: " << denominator << endl;
  22. 	return 0;
  23. }
Success #stdin #stdout 0s 16064KB
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Сумма: 1.87985
Числитель: 2.4329e+18
Знаменатель: 5.24288e+24
https://ideone.com/Mtsh18
D2580
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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