동적 계획법 1
https://www.acmicpc.net/problem/1912 연속합
https://www.acmicpc.net/problem/12865

그리디 알고리즘
https://www.acmicpc.net/problem/11047 동전 0
https://www.acmicpc.net/problem/1931
https://www.acmicpc.net/problem/11399
https://www.acmicpc.net/problem/1541 잃어버린 괄호