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Правка en2, от drifter_kabir, 2020-09-04 10:59:03

Given a & b(where(1<=a,b<=20), find sum of all integers whose digit sum is exactly $$$a^{b}$$$.

Return sum%10^9+7

Update: Sorry I missed one thing. The sum of all numbers whose each digit is non-zero.

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en2 Английский drifter_kabir 2020-09-04 10:59:03 90
en1 Английский drifter_kabir 2020-09-04 03:02:00 124 Initial revision (published)