GCD [Greatest Common Divisor] of Two Integers in Java In Euclid's algorithm, we start with two numbersXandY. If Y is zero then the greatest common divisor of both will be X, but if Y is not zero then we assign theYtoXandYbecomesX%Y. Once again we check if Y is zero, if yes then...
NumberIsTooLargeException,MathArithmeticException{CombinatoricsUtils.checkBinomial(n,k);if((n==k)||(k==0)){return1;}if((k==1)||(k==n-1)){returnn;}// Use symmetry for large kif(k>n/2){returnbinomialCoefficient(n,n-k);}// We use the formula// (n choose k) = n!