자신은 제외 문제: https://www.acmicpc.net/problem/11054 https://github.com/surinoel/boj/blob/master/11054.cpp

dp문제 문제: https://www.acmicpc.net/problem/11722 https://github.com/surinoel/boj/blob/master/11722.cpp

dp문제 문제: https://www.acmicpc.net/problem/11055 https://github.com/surinoel/boj/blob/master/11055.cpp

부모를 기억하는 루틴 문제: https://www.acmicpc.net/problem/14002 https://github.com/surinoel/boj/blob/master/14002.cpp

dp문제 문제: https://www.acmicpc.net/problem/11053 https://github.com/surinoel/boj/blob/master/11053.cpp

점화식 세우는 연습 문제: https://www.acmicpc.net/problem/2156 https://github.com/surinoel/boj/blob/master/2156.cpp