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https://www.acmicpc.net/problem/6907BOJ - Floor Plan문제 유형: BFS, DFS, 그래프, 정렬문제 난이도: Silver I시간 제한: 1초메모리 제한: 128MB 문제The floor plan of a house shows rooms separated by walls. This floor plan can be transferred to a grid using the character I for walls and . for room space. Doorways are not shown. Each I or . character occupies one square metre.In this diagram, there are six rooms.You have been g..

https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/description/?envType=daily-question&envId=2024-10-09LeetCode - Minimum Add to Make Parentheses Valid문제 유형: 스택문제 난이도 : Medium 문제A parentheses string is valid if and only if:It is the empty string,It can be written as AB (A concatenated with B), where A and B are valid strings, orIt can be written as (A), where A is a valid string..