How to calculate (a! / b!) % mod where n is 1<=n<=20000000, m is 1<=m<=n and mod is a positive integer ?
How to calculate (a! / b!) % mod
How to calculate (a! / b!) % mod where n is 1<=n<=20000000, m is 1<=m<=n and mod is a positive integer ?
Rev. | Lang. | By | When | Δ | Comment | |
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en1 | DonMichaelCorleone | 2016-05-09 12:28:25 | 137 | Initial revision (published) |