Program to calculate value of nCr | Java program To calculate The Value Of nCr ; Returns factorial of n ; Driver code
class GFG { static int nCr ( int n , int r ) { return fact ( n ) / ( fact ( r ) * fact ( n - r ) ) ; } static int fact ( int n ) { int res = 1 ; for ( int i = 2 ; i <= n ; i ++ ) res = res * i ; return res ; } public static void main ( String [ ] args ) { int n = 5 , r = 3 ; System . out . println ( nCr ( n , r ) ) ; } }