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

Правка en1, от 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.

История

 
 
 
 
Правки
 
 
  Rev. Язык Кто Когда Δ Комментарий
en1 Английский turbozone88 2022-10-25 20:12:40 388 Initial revision (published)