113 reputation
7
bio website trial-aend-error.net
location Russia, Samara
age 29
visits member for 1 year, 8 months
seen Jun 8 at 13:14

Developer of the system software and technical writer in Samara's Information Networks Independent consultant in the information technology area, philanthropist, volunteer.

Orthodox Christian, admirer of rock band Aquarium


Jan
14
accepted Determination quantity of integers, the sum of digits of which is equal to $N$