• 화요일문제

https://programmers.co.kr/learn/courses/30/lessons/42842

https://programmers.co.kr/learn/courses/30/lessons/12899

https://programmers.co.kr/learn/courses/30/lessons/12973

• 목요일문제

https://programmers.co.kr/learn/courses/30/lessons/64065

https://programmers.co.kr/learn/courses/30/lessons/17686