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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. int silnia(int n) {
  6. 	if (n == 1 || n==0) return 1;
  7. 	return silnia(n - 1) * n;
  8. }
  9.  
  10. int main() {
  11. 	int T;
  12. 	cin >> T;
  13. 	for (int i = 0; i < T; i++) {
  14. 		int n, k;
  15. 		cin >> n >> k;
  16. 		cout << silnia(n)/(silnia(k)*silnia(n-k))<<endl;
  17. 	}
  18. 	return 0;
  19. }
Success #stdin #stdout 0.01s 5360KB
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https://ideone.com/CjEmiH
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
secret

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