Nprfact 5fact 3fact 2. Using a for loop we are finding the factorial of all numbers from 1 to n and adding all values to calculate the final result sum. The CalculateNcr is used to calculate the Ncr using the below formula.
The CalculateFactorial is used to calculate the factorial of the specified factorial and return to the calling method.
The Combinations Calculator will find the number of possible combinations that can be obtained by taking a sample of items from a larger set. Using a for loop we are finding the factorial of all numbers from 1 to n and adding all values to calculate the final result sum. Cn rp Cn-1 r-1p Cn-1 rp p Cn 0 Cn n 1 The above formula can implemented using Dynamic Programming using a 2D array. N 5 r 3 Output.