Calculate in [L, R] how many numbers whose sum of digits and sum of squares of digits are primes ?

Revision en1, by turbozone88, 2022-10-25 20:12:40

Calculate in [L, R] how many numbers whose sum of digits and sum of squares of digits are primes ?

Limit :

* 1 <= L <= R <= 10 ^ 18

* T <= 10 ^ 4: is the number of queries [L, R].

For example, in the [1, 20] there are 4 numbers which are 11, 12, 14, 16.

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en1 English turbozone88 2022-10-25 20:12:40 388 Initial revision (published)