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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| import sys | ||
| from collections import deque, defaultdict | ||
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| def input(): return sys.stdin.readline().rstrip() | ||
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| dx = [0, 0, -1, 1] | ||
| dy = [-1, 1, 0, 0] | ||
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| T = int(input()) | ||
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| for _ in range(T): | ||
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| H, W = map(int, input().split()) | ||
| building = [["." for _ in range(W+2)]] | ||
| door_info = defaultdict(set) | ||
| keys_i_have = set() | ||
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| for row in range(H): | ||
| _input = "." | ||
| _input += input() | ||
| _input += "." | ||
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| for col in range(W+2): | ||
| if _input[col] not in ("*", ".", "$") and _input[col].isupper(): | ||
| door_info[_input[col]].add((row+1, col)) | ||
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| building.append(list(_input)) | ||
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| building.append(["." for _ in range(W+2)]) | ||
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| keys_info = input() | ||
| if keys_info != "0": | ||
| keys_i_have.update(set(keys_info)) | ||
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| answer = 0 | ||
| visited = set() | ||
| locked_doors_to_access = set() | ||
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| deq = deque([(0, 0)]) | ||
| while deq: | ||
| now_row, now_col = deq.popleft() | ||
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| for dir in range(4): | ||
| new_row = now_row + dy[dir] | ||
| new_col = now_col + dx[dir] | ||
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| if new_row < 0 or new_row >= H+2: continue | ||
| if new_col < 0 or new_col >= W+2: continue | ||
| if (new_row, new_col) in visited: continue | ||
| if building[new_row][new_col] == "*": continue | ||
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| # print(now_row, now_col,building[new_row][new_col]) | ||
| # print(locked_doors_to_access) | ||
| # print(keys_i_have) | ||
| # print() | ||
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| if building[new_row][new_col] == "$": | ||
| answer += 1 | ||
| visited.add((new_row, new_col)) | ||
| deq.append((new_row, new_col)) | ||
| continue | ||
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| # ๋ฌธ์ ๋ง๋ฌ์ ๊ฒฝ์ฐ, ์ด ๋ ๊น์ง ์ป์ ์ด์ ๋ก ์ด ์ ์๋ ์ง ํ์ธํจ. ์๋ ๊ฒฝ์ฐ ์ ๊ทผํ ์ ์๋ ๋ฌธ ๋ชฉ๋ก์ ์ถ๊ฐ | ||
| if building[new_row][new_col].isalpha() and building[new_row][new_col].isupper(): | ||
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| # ์ด์ ๋ฅผ ์ด๋ฏธ ๊ฐ์ง๊ณ ์๋ ๊ฒฝ์ฐ | ||
| if building[new_row][new_col].lower() in keys_i_have: | ||
| building[new_row][new_col] = "." | ||
| visited.add((new_row, new_col)) | ||
| deq.append((new_row, new_col)) | ||
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| # ์ด์ ๊ฐ ์์ด์ ๋ฌธ์ ๋ชป ์ด ๊ฒฝ์ฐ ์ ๊ทผํ ์ ์๋ ๋ฌธ ๋ชฉ๋ก์ ์ถ๊ฐ | ||
| else: locked_doors_to_access.add((new_row, new_col)) | ||
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| continue | ||
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| # ์ด์ ๋ฅผ ํ๋ํ์ ๊ฒฝ์ฐ, ์ด ๋ ๊น์ง ๋ง๋ ๋ฌธ๋ค ์ค์ ์ด ์ ์๋ ๊ฒ๋ค์ queue์ ๋ฃ์ | ||
| if building[new_row][new_col].isalpha() and building[new_row][new_col].islower(): | ||
| keys_i_have.add(building[new_row][new_col]) | ||
| visited.add((new_row, new_col)) | ||
| deq.append((new_row, new_col)) | ||
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| for can_open_row, can_open_col in door_info[building[new_row][new_col].upper()]: | ||
| if (can_open_row, can_open_col) in locked_doors_to_access: | ||
| building[can_open_row][can_open_col] = "." | ||
| visited.add((can_open_row, can_open_col)) | ||
| deq.append((can_open_row, can_open_col)) | ||
| locked_doors_to_access.discard((can_open_row, can_open_col)) | ||
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| continue | ||
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| # ๋น ๊ณต๊ฐ์ผ ๊ฒฝ์ฐ, ๊ทธ๋ฅ ์ง๋๊ฐ | ||
| if building[new_row][new_col] == ".": | ||
| visited.add((new_row, new_col)) | ||
| deq.append((new_row, new_col)) | ||
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| print(answer) |
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