# Find Multiple Shapes

the image has random shapes filled with 0s, separated by 1s. Find all the shapes. **Each shape is represented by coordinates of all the elements inside.**

Similar as LC 200

```
public class Main {
    public List<List<Integer>> findMultipleShapes(int[][] board)
    {
        List<List<Integer>> result = new ArrayList<>();
        for(int i = 0; i< board.length; i++)
        {
            for(int j = 0; j< board[0].length; j++)
            {
                if(board[i][j] == 0)
                {
                    List<Integer> shape = new ArrayList<Integer>();
                    dfs(board, i, j, shape);
                    result.add(shape);
                }
            }
        }
        return result;
    }

    public void dfs(int[][] board, int x, int y, List<Integer> shape)
    {
        if(!isBound(board, x, y))
        {
            return;
        }
        if(board[x][y] == 1)
        {
            return;
        }
        shape.add(x);
        shape.add(y);
        board[x][y] = 1;

        dfs(board, x-1, y, shape);
        dfs(board, x+1, y, shape);
        dfs(board, x, y-1, shape);
        dfs(board, x, y+1, shape);
    }

    public boolean isBound(int[][] board, int x, int y)
    {
        return x>=0 && x<board.length && y>=0 && y<board[0].length;
    }
}
```


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