astrothegod's blog

By astrothegod, history, 2 years ago, In English

The problem is calculate nCk with n <= 10^18, k <= 10^6 and mod = 10^9 + 7. Can anyone give me some hints or pesudo code. Thanks

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By astrothegod, history, 3 years ago, In English
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By astrothegod, history, 3 years ago, In English

107615789 who can explain me ! Thank you.

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