1. DP, LIS https://leetcode.com/problems/longest-increasing-subsequence/
2. DP 대표 문제 https://leetcode.com/problems/coin-change/
3. 가장 긴 팰린드롬 https://leetcode.com/problems/longest-palindromic-substring/

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1. 투 포인터 https://leetcode.com/problems/longest-repeating-character-replacement/
2. 다익스트라, 유니온 파인드 https://leetcode.com/problems/path-with-minimum-effort/