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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	long n, x;
  6. 	cin >> n >> x;
  7. 	long x_val = x;
  8. 	long n_val = 1;
  9. 	long res = x;
  10. 	for (int i = 2; i <= n; i++) {
  11. 		x_val *= x;
  12. 		n_val *= i;
  13. 		res += x_val / n_val;
  14. 	}
  15. 	cout << res;
  16. 	return 0;
  17. }
Runtime error #stdin #stdout 0s 15232KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/cnQpoh
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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