~~https://www.acmicpc.net/problem/2798 블랙잭~~
https://school.programmers.co.kr/learn/courses/30/lessons/87946?language=java 피로도
https://www.acmicpc.net/problem/4673 셀프넘버
~~https://www.acmicpc.net/problem/3109 빵집~~
~~https://www.acmicpc.net/problem/16926 배열돌리기 시리즈~~
~~https://www.acmicpc.net/problem/2961 도영이가 만든 맛있는 음식~~
~~https://www.acmicpc.net/workbook/view/2052 N과 M 시리즈~~
https://www.acmicpc.net/problem/1913 달팽이
https://www.acmicpc.net/problem/17144 미세먼지
~~https://www.acmicpc.net/problem/1697 숨바꼭질~~
~~https://www.acmicpc.net/problem/2178 미로 탐색~~
~~https://www.acmicpc.net/problem/2667 단지 번호 붙이기~~
~~https://www.acmicpc.net/problem/2468 안전 영역~~
https://www.acmicpc.net/problem/17472 다리 만들기
https://www.acmicpc.net/problem/17478 재귀함수가 뭔가요?
https://www.acmicpc.net/problem/2615 오목
~~https://www.acmicpc.net/problem/2636 치즈~~