結果
問題 | No.2731 Two Colors |
ユーザー | Theta |
提出日時 | 2024-04-23 19:37:32 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,147 bytes |
コンパイル時間 | 246 ms |
コンパイル使用メモリ | 82,072 KB |
実行使用メモリ | 253,444 KB |
最終ジャッジ日時 | 2024-11-06 01:49:08 |
合計ジャッジ時間 | 11,392 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge5 |
(要ログイン)
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 | TLE | - |
testcase_01 | -- | - |
testcase_02 | -- | - |
testcase_03 | -- | - |
testcase_04 | -- | - |
testcase_05 | -- | - |
testcase_06 | -- | - |
testcase_07 | -- | - |
testcase_08 | -- | - |
testcase_09 | -- | - |
testcase_10 | -- | - |
testcase_11 | -- | - |
testcase_12 | -- | - |
testcase_13 | -- | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
ソースコード
from heapq import heappop, heappush from itertools import count DIJ = ((0, 1), (1, 0), (0, -1), (-1, 0)) def main(): H, W = map(int, input().split()) board = [list(map(int, input().split())) for _ in range(H)] color_0 = set(((H - 1, W - 1),)) color_1 = set(((0, 0),)) color_0_neighbors = [] color_1_neighbors = [] heappush(color_0_neighbors, (board[H - 2][W - 1], H - 2, W - 1)) heappush(color_0_neighbors, (board[H - 1][W - 2], H - 1, W - 2)) heappush(color_1_neighbors, (board[1][0], 1, 0)) heappush(color_1_neighbors, (board[0][1], 0, 1)) for idx in count(1): if idx % 2 == 1: h, w = 0, 0 while (h, w) in color_1: num, h, w = heappop(color_1_neighbors) color_1.add((h, w)) for dij in DIJ: neighbor = (h + dij[0], w + dij[1]) if not (0 <= neighbor[0] < H) or not (0 <= neighbor[1] < W): continue if neighbor in color_0: break if neighbor in color_1: continue heappush(color_1_neighbors, (board[neighbor[0]][neighbor[1]], neighbor[0], neighbor[1])) else: continue break else: h, w = H - 1, W - 1 while (h, w) in color_0: num, h, w = heappop(color_0_neighbors) color_0.add((h, w)) for dij in DIJ: neighbor = (h + dij[0], w + dij[1]) if not (0 <= neighbor[0] < H) or not (0 <= neighbor[1] < W): continue if neighbor in color_1: break if neighbor in color_0: continue heappush(color_0_neighbors, (board[neighbor[0]][neighbor[1]], neighbor[0], neighbor[1])) else: continue break print(idx) if __name__ == "__main__": main()