https://github.com/open-problem-solving/baekjoon

• example

For solutions

• num % 10 == 0

• num % 10 == 1

• num % 10 == 2

• num % 10 == 3

• num % 10 == 4

• num % 10 == 5

• num % 10 == 6

• num % 10 == 7

• num % 10 == 8

• num % 10 == 9

• t