fork(1) download
copy 
  1. function fac (n) {
  2.     var result = 1;
  3.     for (var i = 2; i <= n; i++) {
  4.         result *= i;
  5.     }
  6.     return result;
  7. }
  8.  
  9. function keno(a, n, m, k) {
  10.     var numer = fac(a) * fac(m) * fac(n-a) * fac(n-m);
  11.     var denom = fac(n) * fac(k) * fac(a-k) * fac(m-k) * fac(n-a-m+k);
  12.     return numer / denom;
  13. }
  14.  
  15. print(fac(2));
  16. print(fac(5));
  17. print(fac(10));
  18. print(keno (20, 80, 10, 5));
Success #stdin #stdout 0.01s 4984KB
comments (?)
stdin
copy 


			

					
			
			

				
	
		
		
	
		
		 stdout
					

				
				 copy
			

			
	

		
2
120
3628800
0.05142768770500134


	

		
	 
	
	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			

			                        







			
			

				

	
					
					 https://ideone.com/a1envE
					
					
					
					
					

												

												
						
						

					

					
					
					

						
language:

						
JavaScript (SMonkey 60.2.3)

					

					

						
created:
								
						
13 years ago

					

					

						
visibility:

						

							 public																												
							
							

								
							

						

					

										
										

					
					 Share or Embed source code
					
					
					
					

						
						
						
						
						
						
						
					

					
						
	
	
	
	
					
					
					
					
					 
					
					
					
					 
					
					
					
					
					
					

					

					

					
						
					

					


	
Discover > Sphere Engine API

	
The brand new service which powers Ideone!

	
	
Discover > IDE Widget

    
Widget for compiling and running the source code in a web browser!