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🧷 문제 링크
https://www.acmicpc.net/problem/10311
🧭 풀이 시간
31분

👀 체감 난이도
✏️ 문제 설명
K*K 크기의 2차원 격자판에 블록들이 쌓여있다.
이 격자판을 앞에서 봤을 때의 모양과, 오른쪽에서 봤을 때의 모양이 주어진다.
블록 개수의 최소, 최대를 구해보자.
🔍 풀이 방법
[사용한 알고리즘]
X
앞에서 봤을 때의 배열을 F, 오른쪽에서 봤을 때의 배열을 R이라 하면,$\sum \limits_{i=1}^{K} \sum \limits_{j=1}^{K} {F_i \times R_j}$ 이다.
max값은
min값은 F, R의 전체 합에서 겹치는 수를 한 번씩 빼주면 된다.
⏳ 회고
풀이 떠올리는게 복잡하고 힘들다