Function searchCols

javascript/0130-surrounded-regions.js:23–31

(board)

};

var searchCols = (board) => {
    const [rows, cols] = [board.length, board[0].length];

    for (let col = 1; col < cols - 1; col++) {
        /* Time O(COLS) */
        dfs(board, 0, rows, col, cols); /* Space O(COLS) */
        dfs(board, rows - 1, rows, col, cols); /* Space O(COLS) */
    }
};

var searchGrid = (board) => {
    const [rows, cols] = [board.length, board[0].length];