結果
| 問題 | No.697 池の数はいくつか |
| ユーザー |
|
| 提出日時 | 2023-01-27 19:15:18 |
| 言語 | Python3 (3.13.1 + numpy 2.2.1 + scipy 1.14.1) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 1,668 bytes |
| 記録 | |
| コンパイル時間 | 245 ms |
| コンパイル使用メモリ | 12,672 KB |
| 実行使用メモリ | 511,212 KB |
| 最終ジャッジ日時 | 2024-06-28 04:36:47 |
| 合計ジャッジ時間 | 20,304 ms |
|
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 26 MLE * 1 -- * 5 |
ソースコード
from collections import deque
from itertools import combinations, product
def main():
H, W = map(int, input().split())
field_map = [list(map(int, input().split())) for _ in range(H)]
pond_ctr = 0
searched = set()
for height_idx, width_idx in product(range(H), range(W)):
if field_map[height_idx][width_idx] == 0:
continue
if (height_idx, width_idx) in searched:
continue
pond_ctr += 1
searching = deque(((height_idx, width_idx),))
searched.add((height_idx, width_idx))
while searching:
current_h_idx, current_w_idx = searching.popleft()
if field_map[current_h_idx][current_w_idx] == 0:
continue
if current_h_idx < H-1 and (current_h_idx+1, current_w_idx) not in searched:
searching.append((current_h_idx+1, current_w_idx))
searched.add((current_h_idx+1, current_w_idx))
if current_h_idx > 0 and (current_h_idx-1, current_w_idx) not in searched:
searching.append((current_h_idx-1, current_w_idx))
searched.add((current_h_idx-1, current_w_idx))
if current_w_idx < W-1 and (current_h_idx, current_w_idx+1) not in searched:
searching.append((current_h_idx, current_w_idx+1))
searched.add((current_h_idx, current_w_idx+1))
if current_w_idx > 0 and (current_h_idx, current_w_idx-1) not in searched:
searching.append((current_h_idx, current_w_idx-1))
searched.add((current_h_idx, current_w_idx-1))
print(pond_ctr)
if __name__ == "__main__":
main()