結果
問題 | No.424 立体迷路 |
ユーザー | Theta |
提出日時 | 2022-12-06 19:00:43 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 41 ms / 2,000 ms |
コード長 | 2,639 bytes |
コンパイル時間 | 93 ms |
コンパイル使用メモリ | 12,928 KB |
実行使用メモリ | 11,264 KB |
最終ジャッジ日時 | 2024-10-13 08:02:02 |
合計ジャッジ時間 | 2,068 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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 | 31 ms
11,008 KB |
testcase_01 | AC | 30 ms
10,880 KB |
testcase_02 | AC | 29 ms
10,880 KB |
testcase_03 | AC | 29 ms
10,880 KB |
testcase_04 | AC | 29 ms
11,008 KB |
testcase_05 | AC | 28 ms
11,008 KB |
testcase_06 | AC | 28 ms
10,880 KB |
testcase_07 | AC | 30 ms
10,880 KB |
testcase_08 | AC | 29 ms
11,008 KB |
testcase_09 | AC | 28 ms
10,880 KB |
testcase_10 | AC | 27 ms
11,008 KB |
testcase_11 | AC | 30 ms
10,880 KB |
testcase_12 | AC | 29 ms
11,008 KB |
testcase_13 | AC | 28 ms
11,008 KB |
testcase_14 | AC | 28 ms
11,008 KB |
testcase_15 | AC | 28 ms
10,880 KB |
testcase_16 | AC | 30 ms
11,008 KB |
testcase_17 | AC | 31 ms
11,136 KB |
testcase_18 | AC | 31 ms
11,264 KB |
testcase_19 | AC | 32 ms
11,136 KB |
testcase_20 | AC | 31 ms
11,136 KB |
testcase_21 | AC | 30 ms
10,880 KB |
testcase_22 | AC | 29 ms
10,880 KB |
testcase_23 | AC | 29 ms
10,880 KB |
testcase_24 | AC | 41 ms
11,264 KB |
testcase_25 | AC | 41 ms
11,264 KB |
ソースコード
from itertools import product def main(): h, w = map(int, input().split()) sx, sy, gx, gy = map(int, input().split()) b = [list(map(int, list(input()))) for _ in range(h)] sx, sy, gx, gy = map(lambda num: num - 1, (sx, sy, gx, gy)) def up_coord(cur): if cur[0] == 0: return return cur[0]-1, cur[1] def down_coord(cur): if cur[0] == h-1: return return cur[0]+1, cur[1] def left_coord(cur): if cur[1] == 0: return return cur[0], cur[1]-1 def right_coord(cur): if cur[1] == w-1: return return cur[0], cur[1]+1 visited = set() searching = set() unvisited = set(product(range(h), range(w))) searching.add((sx, sy)) unvisited.remove((sx, sy)) def normal_move(current_, cand): if abs(b[cand[0]][cand[1]] - b[current_[0]][current_[1]]) <= 1: try: unvisited.remove(cand) searching.add(cand) except KeyError: pass def can_bridge_over(current_, cand): return b[cand[0]][cand[1]] < b[current_[0]][current_[1]] def bridge_move(current_, mid, cand): if not can_bridge_over(current_, mid): return if b[current_[0]][current_[1]] == b[cand[0]][cand[1]]: try: unvisited.remove(cand) searching.add(cand) except KeyError: pass while searching: if (gx, gy) in searching: print("YES") return current = searching.pop() if (current_left := left_coord(current)) is not None: normal_move(current, current_left) if (current_ll := left_coord(current_left)) is not None: bridge_move(current, current_left, current_ll) if (current_right := right_coord(current)) is not None: normal_move(current, current_right) if (current_rr := right_coord(current_right)) is not None: bridge_move(current, current_right, current_rr) if (current_up := up_coord(current)) is not None: normal_move(current, current_up) if (current_uu := up_coord(current_up)) is not None: bridge_move(current, current_up, current_uu) if (current_down := down_coord(current)) is not None: normal_move(current, current_down) if (current_dd := down_coord(current_down)) is not None: bridge_move(current, current_down, current_dd) print("NO") if __name__ == "__main__": main()