How many numbers that is smaller or equal to K and is divisible by only one number in a set A ( A.size() <= 20 )

Правка en2, от yosako, 2021-12-25 07:41:04

I forgot to mention K <= 10^18 and A[i] <= 10^9. Please help !!!

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en2 Английский yosako 2021-12-25 07:41:04 5
en1 Английский yosako 2021-12-25 07:39:07 171 Initial revision (published)