結果
| 問題 | No.13 囲みたい! | 
| コンテスト | |
| ユーザー |  | 
| 提出日時 | 2020-09-21 10:38:19 | 
| 言語 | PyPy3 (7.3.15) | 
| 結果 | 
                                AC
                                 
                             | 
| 実行時間 | 98 ms / 5,000 ms | 
| コード長 | 2,631 bytes | 
| コンパイル時間 | 272 ms | 
| コンパイル使用メモリ | 81,988 KB | 
| 実行使用メモリ | 78,720 KB | 
| 最終ジャッジ日時 | 2024-06-24 11:26:35 | 
| 合計ジャッジ時間 | 2,401 ms | 
| ジャッジサーバーID (参考情報) | judge1 / judge5 | 
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| ファイルパターン | 結果 | 
|---|---|
| other | AC * 16 | 
コンパイルメッセージ
Main.py:33: SyntaxWarning: list indices must be integers or slices, not tuple; perhaps you missed a comma? que += [i][j - 1, 3]
ソースコード
W, H = map(int, input().split())
M = [list(map(int, input().split())) for i in range(H)]
visited = [[0] * W + [-1] for i in range(H)] + [[-1] * (W + 1)]
from collections import deque
for i in range(H):
    
    for j in range(W):
        
        if visited[i][j] == 0:
            que = []
            X = M[i][j]
            if visited[i + 1][j] == 0 and M[i + 1][j] == X:
                visited[i + 1][j] = 1
                que += [i + 1, j, 0]
                
            if visited[i][j + 1] == 0 and M[i][j + 1] == X:
                visited[i][j + 1] = 1
                que += [i, j + 1, 1]
                
            if visited[i - 1][j] == 0 and M[i - 1][j] == X:
                visited[i - 1][j] = 1
                que += [i - 1, j, 2]
                
            if visited[i][j - 1] == 0 and M[i][j - 1] == X:
                visited[i][j - 1] = 1
                que += [i][j - 1, 3]
            visited[i][j] = 1
            
            que = deque(que)
            
            while que:
                x, y, q = que.popleft(), que.popleft(), que.popleft()
                
                if visited[x - 1][y] != -1 and M[x - 1][y] == X and q != 0:
                    if visited[x - 1][y]:
                        print('possible')
                        exit()
                        
                    else:
                        
                        visited[x - 1][y] = 1
                        que.extend([x - 1, y, 2])
                if visited[x + 1][y] != -1 and M[x + 1][y] == X and q != 2:
                    
                    if visited[x + 1][y]:
                        print('possible')
                        exit()
                        
                    else:
                        visited[x + 1][y] = 1
                        que.extend([x + 1, y, 0])
                    
                if visited[x][y - 1] != -1 and M[x][y - 1] == X and q != 1:
                    
                    if visited[x][y - 1]:
                        print('possible')
                        exit()
                    else:
                        visited[x][y - 1] = 1
                        que.extend([x, y - 1, 3])
                
                if visited[x][y + 1] != -1 and M[x][y + 1] == X and q != 3:
                    if visited[x][y + 1]:
                        print('possible')
                        exit()
                        
                    else:
                        
                        visited[x][y + 1] = 1
                        que.extend([x, y + 1, 1])
                    
print('impossible')
            
            
            
            
            
        