ans = factorial(n) /factorial(r1) factorial(r2)...factorial(rk) where r1+r2+...+rk= n how to calculate this vale when n is large?
I want the ans mod 1000000007 value any suggestions will be appreciated
ans = factorial(n) /factorial(r1) factorial(r2)...factorial(rk) where r1+r2+...+rk= n how to calculate this vale when n is large?
I want the ans mod 1000000007 value any suggestions will be appreciated