Function bfs

javascript/0417-pacific-atlantic-water-flow.js:192–209

(heights, queue)

};

const bfs = (heights, queue) => {
    const [rows, cols] = [heights.length, heights[0].length];
    const isReachable = getMatrix(
        rows,
        cols,
    ); /* Time O(ROWS * COLS) | Space O(ROWS * COLS) */

    while (!queue.isEmpty()) {
        for (let i = queue.size() - 1; 0 <= i; i--) {
            /*                     | Space O(WIDTH) */
            const [row, col] = queue.dequeue();

            checkNeighbor(heights, row, rows, col, cols, isReachable, queue);
        }
    }

    return isReachable;
};

var getMatrix = (rows, cols) =>
    new Array(rows)