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C(N, K) mod 10^9 + 7 | HackNow
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C(N, K) mod 10^9 + 7
lock
UZ only
Qiyin
100 points
1 s
256 MB
Input format
Output format
Constraints
Examples
1
1
Example #1
Input
10 3
Output
120
Solution editor
Python 3
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PYTHON
UTF-8
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4 spaces
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