Test cases are matching but codechef says wrong answer on problem FCTRL2

here is problem https://www.codechef.com/problems/FCTRL2
my code https://www.codechef.com/viewsolution/25313584

for a large value of n the result will be outside the range of int and the will be unexpected.Just figure it out how to take factorial of a large number like 80.

1 Like