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
