How to calculate nCr mod P where n large 1 <= n <= 1e9

  • Currently I know how to calculate nCr mod P, ( P = 1e9 + 7 )
    when 1 <= n <= 1e6 but is there any way to calculate for 1 <= n <= 1e9.
  • If there are any resources please share.
1 Like

Similar problems for nCr mod p where n is large. Check its editorials.
Problem 1- Log In | HackerEarth

Problem 2- CodeChef: Practical coding for everyone

Direct problem of NcR with large N- nCr | HackerRank
Check its editorial