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 19:22:30 | 
| 言語 | Python3  (3.13.1 + numpy 2.2.1 + scipy 1.14.1)  | 
                    
| 結果 | 
                             
                                TLE
                                 
                             
                            
                         | 
                    
| 実行時間 | - | 
| コード長 | 1,668 bytes | 
| コンパイル時間 | 75 ms | 
| コンパイル使用メモリ | 12,544 KB | 
| 実行使用メモリ | 163,712 KB | 
| 最終ジャッジ日時 | 2024-06-28 04:45:05 | 
| 合計ジャッジ時間 | 13,534 ms | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge2 / judge3 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 26 TLE * 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)]
    searched = [[0]*W for _ in range(H)]
    pond_ctr = 0
    for height_idx, width_idx in product(range(H), range(W)):
        if field_map[height_idx][width_idx] == 0:
            continue
        if searched[height_idx][width_idx] == 1:
            continue
        pond_ctr += 1
        searching = deque(((height_idx, width_idx),))
        searched[height_idx][width_idx] = 1
        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 searched[current_h_idx+1][current_w_idx] == 0:
                searching.append((current_h_idx+1, current_w_idx))
                searched[current_h_idx+1][current_w_idx] = 1
            if current_h_idx > 0 and searched[current_h_idx-1][current_w_idx] == 0:
                searching.append((current_h_idx-1, current_w_idx))
                searched[current_h_idx-1][current_w_idx] = 1
            if current_w_idx < W-1 and searched[current_h_idx][current_w_idx+1] == 0:
                searching.append((current_h_idx, current_w_idx+1))
                searched[current_h_idx][current_w_idx+1] = 1
            if current_w_idx > 0 and searched[current_h_idx][current_w_idx-1] == 0:
                searching.append((current_h_idx, current_w_idx-1))
                searched[current_h_idx][current_w_idx-1] = 1
    print(pond_ctr)
if __name__ == "__main__":
    main()