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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int binomial(int n,int k){
  5.   int m=n;
  6.   int p=1;
  7.   for(int i=1; i<k; i++){
  8.     m *= (n-i);
  9.     p *= (i+1);
  10.   }
  11.  return m/p;
  12. }
  13.  
  14. int main(){
  15.   cout << "(16 3)=" << binomial(16,3) << endl;
  16.   cout << "(16 7)=" << binomial(16,7) << endl;
  17.   cout << "(49 6)=" << binomial(49,6) << endl;
  18. }
Success #stdin #stdout 0s 2852KB
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Standard input is empty
stdout
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(16 3)=560
(16 7)=11440
(49 6)=2053351
https://ideone.com/e2BM0n
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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