알고리즘 유형 풀어야할 것
백트래킹 https://www.acmicpc.net/step/34
https://solved.ac/problems/tags/backtracking?sort=solved&direction=desc&page=1
누적합 https://www.acmicpc.net/step/48
투 포인터 https://www.acmicpc.net/step/59
그리디 https://solved.ac/problems/tags/greedy?sort=solved&direction=desc&page=1
정렬 https://solved.ac/problems/tags/sorting?sort=solved&direction=desc&page=1
우선순위 큐 https://solved.ac/problems/tags/priority_queue?sort=solved&direction=desc&page=1
누적합
슈퍼 마리오 (10/19 X) https://www.acmicpc.net/problem/2851
구간 합 구하기 4 (10/19) https://www.acmicpc.net/problem/11659
구간 합 구하기 5 (10/19 X) https://www.acmicpc.net/problem/11660
수들의 합 (10/19) https://www.acmicpc.net/problem/2003
(비슷한 문제: https://school.programmers.co.kr/learn/courses/30/lessons/178870)
부분합 https://www.acmicpc.net/problem/1806
수열 (10/19) https://www.acmicpc.net/problem/2559
2차원 배열의 합 https://www.acmicpc.net/problem/2167
합 구하기 (10/20) https://www.acmicpc.net/problem/11441