I was trying to find binomial co-efficient nCr mod 1000000007 (n and r are large) using inverse modulo but there is some error. What is the problem in this code? https://ideone.com/SWPmty
I was trying to find binomial co-efficient nCr mod 1000000007 (n and r are large) using inverse modulo but there is some error. What is the problem in this code? https://ideone.com/SWPmty
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Well I'd suggest that you rename your power function
pow() is already a library function which returns a double instead of an int , which may be giving wrong answer after typecasting to int .