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How to find nCr for big numbers, quickly and effectively?
https://tlx.toki.id/problems/bnpchs-2023-final/B
This question requires you to calculate the combination of two numbers where one ranges from 1 to 100 and the other from 1 to k.
They have also asked to mod the final answer by 1e9+7. How to write code in cases like these?
