Let us see how above formula works for C 4 3 1 n 0 C 0 0 1. We have already discussed that in a previous post. C Program to Find number of Digits from any number Any number is a combination of digits like 342 have three digits and 4325 have four digits.
A binomial coefficient Cn k also gives the number of ways disregarding order that k objects can be chosen from among n objects.
Given T testcases for every test case find nCr modulo 142857 where nr are input for every test case. C Program to Find Factorial of a Number using Dynamic Programming. We can use big integer datatype. Working of Above formula and Pascal Triangle.