結果
問題 | No.86 TVザッピング(2) |
ユーザー | mkawa2 |
提出日時 | 2023-03-06 23:37:19 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 29 ms / 5,000 ms |
コード長 | 1,945 bytes |
コンパイル時間 | 247 ms |
コンパイル使用メモリ | 12,800 KB |
実行使用メモリ | 10,880 KB |
最終ジャッジ日時 | 2024-09-18 01:57:02 |
合計ジャッジ時間 | 1,952 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 28 ms
10,880 KB |
testcase_01 | AC | 28 ms
10,880 KB |
testcase_02 | AC | 27 ms
10,880 KB |
testcase_03 | AC | 26 ms
10,880 KB |
testcase_04 | AC | 27 ms
10,752 KB |
testcase_05 | AC | 27 ms
10,752 KB |
testcase_06 | AC | 26 ms
10,880 KB |
testcase_07 | AC | 26 ms
10,880 KB |
testcase_08 | AC | 27 ms
10,880 KB |
testcase_09 | AC | 27 ms
10,880 KB |
testcase_10 | AC | 27 ms
10,752 KB |
testcase_11 | AC | 27 ms
10,880 KB |
testcase_12 | AC | 26 ms
10,752 KB |
testcase_13 | AC | 29 ms
10,880 KB |
testcase_14 | AC | 27 ms
10,880 KB |
testcase_15 | AC | 26 ms
10,752 KB |
testcase_16 | AC | 26 ms
10,752 KB |
testcase_17 | AC | 27 ms
10,752 KB |
testcase_18 | AC | 27 ms
10,752 KB |
testcase_19 | AC | 27 ms
10,752 KB |
testcase_20 | AC | 26 ms
10,880 KB |
testcase_21 | AC | 26 ms
10,880 KB |
testcase_22 | AC | 26 ms
10,752 KB |
testcase_23 | AC | 26 ms
10,880 KB |
testcase_24 | AC | 25 ms
10,752 KB |
testcase_25 | AC | 26 ms
10,752 KB |
testcase_26 | AC | 26 ms
10,752 KB |
testcase_27 | AC | 26 ms
10,752 KB |
testcase_28 | AC | 26 ms
10,880 KB |
testcase_29 | AC | 26 ms
10,880 KB |
testcase_30 | AC | 25 ms
10,752 KB |
testcase_31 | AC | 26 ms
10,880 KB |
testcase_32 | AC | 25 ms
10,880 KB |
ソースコード
import sys sys.setrecursionlimit(200005) int1 = lambda x: int(x)-1 pDB = lambda *x: print(*x, end="\n", file=sys.stderr) p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr) def II(): return int(sys.stdin.readline()) def LI(): return list(map(int, sys.stdin.readline().split())) def LLI(rows_number): return [LI() for _ in range(rows_number)] def LI1(): return list(map(int1, sys.stdin.readline().split())) def LLI1(rows_number): return [LI1() for _ in range(rows_number)] def SI(): return sys.stdin.readline().rstrip() dij = [(0, 1), (-1, 0), (0, -1), (1, 0)] # dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)] inf = (1 << 63)-1 # inf = (1 << 31)-1 md = 10**9+7 # md = 998244353 def start(): for i in range(h): for j, a in enumerate(aa[i]): if aa[i][j] == 0: return i, j def dfs(i, j, d, r): if i == si and j == sj and aa[i][j]: for i in range(h): for a in aa[i]: if a == 0: return False if r and (d-1)%4 == d0: return False return True di, dj = dij[d] ni, nj = i+di, j+dj if 0 <= ni < h and 0 <= nj < w and aa[ni][nj] == 0: aa[ni][nj] = 1 if dfs(ni, nj, d, r): return True aa[ni][nj] = 0 else: d = (d+1)%4 di, dj = dij[d] ni, nj = i+di, j+dj if 0 <= ni < h and 0 <= nj < w and aa[ni][nj] == 0: aa[ni][nj] = 1 if dfs(ni, nj, d, r): return True aa[ni][nj] = 0 d = (d+2)%4 di, dj = dij[d] ni, nj = i+di, j+dj if 0 <= ni < h and 0 <= nj < w and aa[ni][nj] == 0 and r == 0: aa[ni][nj] = 1 if dfs(ni, nj, d, 1): return True aa[ni][nj] = 0 return False h, w = LI() aa = [[c == "#" for c in SI()] for _ in range(h)] si, sj = start() for d0 in range(4): if dfs(si, sj, d0, 0): print("YES") exit() print("NO")